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68-26-8

Basic Information
CAS No.: 68-26-8
Name: Retinol
Molecular Structure:
Molecular Structure of 68-26-8 (Retinol)
Formula: C20H30O
Molecular Weight: 286.50
Synonyms: Retinol,all-trans- (8CI);2,4,6,8-Nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-,(all-E)-;A-Mulsal;A-Vi-Pel;Acon;Agiolan;Alcovit A;Alphalin;Anatola;Anti-Infective vitamin;Aoral;Apostavit;Aquasol A Parenteral;Avibon;Avitol;Axerophthol;Biosterol;Disatabs Tabs;Dofsol;Epiteliol;Lard Factor;NSC 122759;Oleovitamin a;Ophthalamin;PlivitA;Retinol 50C;Tegosphere VitA;Thalasphere;Veroftal;Vi-Dom-A;Vitamin Aalcohol, all-trans-;Vitamin A1 alcohol;Vitamin A1, all-trans-;Vitpex;all-trans-Retinol;all-trans-Vitamin A;all-trans-Vitamin A alcohol;trans-VitaminA alcohol;
EINECS: 200-683-7
Density: 0.954 g/cm3
Melting Point: 63.5 ºC
Boiling Point: 421.2 ºC at 760 mmHg
Flash Point: 147.3 ºC
Solubility: Practically insoluble inwaterorglycerol; soluble in absolute alcohol,methanol,℃hloroform, ether, fats and oils.
Appearance: yellow to orange crystalline solid
Hazard Symbols: HarmfulXn,DangerousN,FlammableF
Risk Codes: R22-38-67-65-62-51/53-48/20-11
Safety: 36/37-61-62
Transport Information: UN 1208 3/PG 2
PSA: 20.23000
LogP: 5.51030
Synthetic route
557-75-5

ethenol

39668-33-2

(+/-)-7-hydroxy-3.7-dimethyl-1-(2.2.6-trimethyl-cyclohexen-(6)-yl)-nonatetraene-(1.3.5.8)

68-26-8

RETINOL

Conditions
ConditionsYield
With hydrogenchloride In toluene at 50℃; for 1h; Temperature;95%
50465-60-6

9-(2,6,6-Trimethyl-cyclohex-1-enyl)-5-phenyl-sulphonyl-3,7-dimethyl-1-acetoxy-nona-2,6,8-triene

68-26-8

RETINOL

Conditions
ConditionsYield
With sodium ethanolate In ethanol Heating;94%
3917-41-7

(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal

53170-97-1

(E)-4-chloro-3-methyl-2-buten-1-ol

68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: (E)-4-chloro-3-methyl-2-buten-1-ol With triphenylphosphine In methanol at 45℃; for 1h;
Stage #2: (2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal With sodium hydroxide In methanol; water at 45℃; for 1h; Reagent/catalyst;
90%
138922-13-1

tert-Butyl-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyloxy]-diphenyl-silane

68-26-8

RETINOL

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran84%
127-47-9

Retinol acetate

68-26-8

RETINOL

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at -15℃; for 0.75h; Inert atmosphere;83%
With water
With methyllithium In diethyl ether at -15℃; for 2h;600 mg
120040-83-7

(E,E)-(5-hydroxy-3-methylpenta-1,3-dienyl)boronic acid

138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

68-26-8

RETINOL

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); TlOH In tetrahydrofuran for 0.5h; Ambient temperature;83%
1430344-83-4

(2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol

138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.5h; Hiyama Coupling; Inert atmosphere;
Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 0 - 25℃; for 3.5h; Hiyama Coupling; Inert atmosphere;
82%
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 0.5h; Hiyama Coupling; Inert atmosphere; Darkness;
Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran for 1h; Hiyama Coupling; Inert atmosphere; Darkness;
77%
118353-70-1

tBDMS-retinol

68-26-8

RETINOL

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride80%
With tetrabutyl ammonium fluoride In tetrahydrofuran for 2h; Ambient temperature;80%
127-47-9

Retinol acetate

57-10-3

1-hexadecylcarboxylic acid

A

79-81-2

retinyl palmitate

B

68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction;A 78%
B n/a
103905-07-3

1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene

A

2052-63-3

2-cis-Vitamin-A

C

22737-96-8

11-cis-retinol

D

68-26-8

RETINOL

Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h;A n/a
B n/a
C n/a
D 77%
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts;
3899-20-5

ethyl (all-E)-retinoate

68-26-8

RETINOL

Conditions
ConditionsYield
With diisobutylaluminium hydride76%
138842-95-2

trans-tetrahydropyran-2-yl retinyl ether

68-26-8

RETINOL

Conditions
ConditionsYield
With methanol; chloro-trimethyl-silane; water In tetrahydrofuran for 0.0833333h;74%
With chloro-trimethyl-silane; water In methanol for 0.166667h; Inert atmosphere;74%
With chloro-trimethyl-silane; water In methanol for 0.166667h;74%
127-47-9

Retinol acetate

1077-28-7, 62-46-4

Thioctic acid

A

retinyl lipoate

B

68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 21h; Product distribution / selectivity; Enzymatic reaction; Sonication;A 71%
B n/a
60-33-3

linoleic acid

127-47-9

Retinol acetate

A

retinyl linoleate

B

68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 2 - 50h; Product distribution / selectivity; Enzymatic reaction;A 71%
B n/a
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin) In toluene at 20 - 50℃; for 1 - 2h; Product distribution / selectivity; Enzymatic reaction;
With Lipozyme TI IM; Amberlyst A-21 In toluene at 20℃; for 45h; Product distribution / selectivity; Enzymatic reaction;
112-80-1

cis-Octadecenoic acid

127-47-9

Retinol acetate

A

631-88-9

retinyl stearate

B

68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction;A 69%
B n/a
50-00-0

formaldehyd

75-24-1

trimethylaluminum

111917-89-6

1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene

68-26-8

RETINOL

Conditions
ConditionsYield
Multistep reaction.;67%
138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

128426-10-8

(2E,4E)-3-methyl-5-(tri-n-butylstannyl)penta-2,4-dien-1-ol

68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With 1-methyl-pyrrolidin-2-one; tris-(dibenzylideneacetone)dipalladium(0); triphenyl-arsane at 25℃; for 0.166667h; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere;
Stage #2: (2E,4E)-5-(tri-n-butylstannyl)-3-methylpenta-2,4-dien-1-ol at 25℃; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere;
60%
116-31-4

all-trans-Retinal

68-26-8

RETINOL

Conditions
ConditionsYield
With diisobutylaluminium hydride
With triethylaluminum
With sodium tetrahydroborate In ethanol Ambient temperature; 2-3 h;
339-16-2

all-trans-methyl retinoate

68-26-8

RETINOL

Conditions
ConditionsYield
With lithium aluminium tetrahydride; diethyl ether
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

98-88-4

benzoyl chloride

68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

75-36-5

acetyl chloride

68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

141-75-3

butyryl chloride

68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

112-67-4

n-hexadecanoyl chloride

68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
83802-77-1

retinoyl fluoride

68-26-8

RETINOL

Conditions
ConditionsYield
With lithium aluminium tetrahydride Yield given;
103905-07-3, 105615-50-7

Acetic acid (2Z,6E)-9-benzenesulfonyl-3,7-dimethyl-8-(tetrahydro-pyran-2-yloxy)-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6-dienyl ester

A

2052-63-3

2-cis-Vitamin-A

B

17706-49-9

11,13-Di-cis-vitamin A

C

29444-25-5

(9Z,13Z)-retinol

D

68-26-8

RETINOL

Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h; Yield given. Title compound not separated from byproducts;
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts;
Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h;
108-24-7

acetic anhydride

68-26-8

RETINOL

127-47-9

Retinol acetate

Conditions
ConditionsYield
In hexane at 35℃; for 1h; Solvent; Temperature;99.5%
In hexane at 35℃; for 1h;99.5%
With triethylamine In hexane at 25℃; for 24h; Inert atmosphere; Darkness;76%
68-26-8

RETINOL

112-67-4

n-hexadecanoyl chloride

79-81-2

retinyl palmitate

Conditions
ConditionsYield
In toluene at 35℃; for 1h;99%
With pyridine In 1,2-dichloro-ethane
2082-77-1

undecanoic acid anhydride

68-26-8

RETINOL

vitamin-A undecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;98.73%
68-26-8

RETINOL

802294-64-0

propionic acid

7069-42-3

vitamin A Propionate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In cyclohexane at 70℃; for 2h;98%
623-65-4

palmitic anhydride

68-26-8

RETINOL

79-81-2

retinyl palmitate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h; Solvent;97.62%
59252-34-5

pentadecanoic acid anhydride

68-26-8

RETINOL

vitamin-A pentadecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.48%
68-26-8

RETINOL

626-29-9

myristic anhydride

vitamin-A myristate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.09%
53517-88-7

tridecanoic acid anhydride

68-26-8

RETINOL

vitamin-A tridecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.01%
68-26-8

RETINOL

96-32-2

bromoacetic acid methyl ester

81112-43-8

bromoacetic acid retinol ester

Conditions
ConditionsYield
Novozym 435 In toluene at 20℃; for 26h; Inert atmosphere;97%
645-66-9

lauric anhydride

68-26-8

RETINOL

1259-24-1

Retinyl laurate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;96.85%
2082-76-0

capric anhydride

68-26-8

RETINOL

79279-28-0

vitamin-A decanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;96.73%
112-39-0

hexadecanoic acid methyl ester

68-26-8

RETINOL

79-81-2

retinyl palmitate

Conditions
ConditionsYield
at 60℃; under 0.750075 Torr; for 3h; Temperature; Large scale;94%
retinol anhydride

retinol anhydride

68-26-8

RETINOL

58175-89-6

retinoic anhydride

Conditions
ConditionsYield
With triethylamine In dichloromethane92%
68-26-8

RETINOL

302-79-4

all-trans-retinoic-acid

Conditions
ConditionsYield
With tris(triphenylphosphine)ruthenium(II) chloride; oxygen; bis-(3-methyl-1-imidazolyl)ethylene tetrafluoroborate In hexane at 50℃; under 760.051 Torr; for 3h; Reagent/catalyst; Darkness;90.2%
Multi-step reaction with 2 steps
1: MnO2 / CH2Cl2 / 2 h / Ambient temperature
2: 80 percent / AgO, NaCN / methanol / 18 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 90 percent / MnO2 / CH2Cl2 / Ambient temperature
2: AgO / CNNa / methanol
View Scheme
68-26-8

RETINOL

116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane Ambient temperature;90%
With manganese(IV) oxide; sodium carbonate In dichloromethane for 4h; Inert atmosphere;90%
With manganese(IV) oxide90%
4233-33-4

4-Phenyl-1,2,4-triazolidine-3,5-dione

68-26-8

RETINOL

135154-45-9

5-Hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2-phenyl-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione

Conditions
ConditionsYield
In dichloromethane at -78℃;90%
68-26-8

RETINOL

132788-52-4

4-<2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyl>-1,2,4-triazoline-3,5-dione

135154-50-6

2-[2-(6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-ethyl]-5-hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione

Conditions
ConditionsYield
In dichloromethane at -78℃;90%
In dichloromethane at 0℃; for 1h;
68-26-8

RETINOL

A

472-86-6

13-cis-vitamin A aldehyde

B

116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane for 12h; Inert atmosphere; Fluorescence light;A 8%
B 90%
79-41-4

poly(methacrylic acid)

68-26-8

RETINOL

vitamin A methacrylate

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
108-30-5

succinic acid anhydride

68-26-8

RETINOL

13241-44-6

retinyl monosuccinate

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane for 12h; Ambient temperature;88%
With dmap In dichloromethane at 20℃;85%
With dmap; triethylamine In dichloromethane at 20℃; for 12h;3.4 g
With 1-pentyl-3-methylimidazolium nitrate at 50℃; for 3h; Darkness; Inert atmosphere; Green chemistry;
68-26-8

RETINOL

630-19-3

pivalaldehyde

A

75-84-3

2,2-dimethyl-propanol-1

B

116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With aluminum isopropoxide In waterA n/a
B 87%
With aluminum isopropoxide In water
5497-67-6

2,2-dimethyl-4-pentenal

68-26-8

RETINOL

A

3420-42-6

2,2-dimethylpent-4-en-1-ol

B

116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With aluminum isopropoxide In waterA n/a
B 87%
6399-81-1

triphenylphosphine hydrobromide

68-26-8

RETINOL

Conditions
ConditionsYield
In methanol at 20℃; for 1h;86%
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    Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional

  •  Simagchem Corporation

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-592-2680277

    Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China

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  • High purity 68-26-8 Vitamine A oil

  • Casno:

    68-26-8

    High purity 68-26-8 Vitamine A oil

    Min.Order: 1 Gram

    FOB Price:  USD $ 100.0-500.0/Gram

    Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

    Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own comp

  •  Hangzhou Dingyan Chem Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

    Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

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  • VITAMIN A, food additive and USP grade

  • Casno:

    68-26-8

    VITAMIN A, food additive and USP grade

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    Retinol (cas.no:68-26-8) Is a visual receptors in cells, it can guarantee the integrity of epithelial tissue structure and health, promote the body's growth and development. Lack of Retinol can make the growth and reproductive

    Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of

  •  Hebei yanxi chemical co.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-0311-66561638

    Address:Zhang zhe, guangzong county, xingtai city, hebei province

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  • VitaminA, Retinol Vitamin A in bulk supply

  • Casno:

    68-26-8

    MSDS/COA Download

    VitaminA, Retinol Vitamin A in bulk supply

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 60.0-60.0/Kilogram

    24 hours service,high purity, good effect,good feedback, high purity hgh growth hormone somatotropin human growth hormone What is Retinol Vitamin A Vitamin A is a fat-soluble vitamin. It is found in animal foods in the form of free aldehydes o

    Xi'an Harmonious Natural Bio-Technology Co., Ltd. was founded in 2010, and located in Xian International Logistics Industrial Zone, Xi'an City, Shaanxi Province, China. Now it is

  •  Xi'an Harmonious Natural Bio-Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-029-86712509

    Address:huilinhuacheng 10-2104

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  • VITAMIN A

  • Casno:

    68-26-8

    VITAMIN A

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White

    Located in Zhengdong New District,?Zhengzhou of Henan province, Henan Allgreen Chemical Co.,Ltd is a comprehensive high-tech modern enterprises integrating professional R&D, pro

  •  Henan Allgreen Chemical Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:+86-0371-87507775

    Address:No 260 Dongming Road,Jinshui District

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  • Vitamin A CAS:68-26-8 Safe delivery China Supplier Security clearance

  • Casno:

    68-26-8

    MSDS/COA Download

    Vitamin A CAS:68-26-8 Safe delivery China Supplier Security clearance

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-10.0/Kilogram

    What's our company advantages 1. Government support guarantees good company credibility and finance safe. 2. Finer chem is confident at the quality of the products, and would like to supply free sample to our customers. 3. Factory locates

    Mulei (Wuhan) New Material Technology Co. Ltd is a scientific and technological company integrating product research and development, manufacture and trading of chemical intermedia

  •  WUHAN MULEI NEW MATERIAL CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619831967063

    Address:Office1201#, Block C, Hanjie Headquarters International Plaza, Zhongbei Rd, Wuchang District, Wuhan

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  • Amadis Chemical offer CAS#68-26-8;CAT#A836068

  • Casno:

    68-26-8

    Amadis Chemical offer CAS#68-26-8;CAT#A836068

    Min.Order: 10 Milligram

    FOB Price:  USD $ 0.0-0.0/Milligram

    1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

    Founded in 2011, Amadis Chemical Company Limited is an innovative manufacturer of chemical products and technical service providers. Our business includes sales, manufacture, and s

  •  Amadis Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-571-89925085

    Address:Watts Cosine.No.166.Xiangmao Road.

       Inquiry Now

  • Factory Price Bulk Vitamin a Powder CAS 68-26-8 Retinol

  • Casno:

    68-26-8

    MSDS/COA Download

    Factory Price Bulk Vitamin a Powder CAS 68-26-8 Retinol

    Min.Order: 5 Kilogram

    FOB Price:  USD $ 30.0-50.0/Kilogram

    We promise our customer following items: 1.Support product customization: We can provide OEM&ODM , Because we have a professional design team 2.Reasonable price: We provide high quality products with competitive price in china, 3.Low moq: No

    Xi'an Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of S

  •  Xi'an Julong Bio-Tech Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+008618049624045

    Address:Xi'an

       Inquiry Now

  • Retinol 99% purity (Vitamin A )Cosmetic,food, medicine grade

  • Casno:

    68-26-8

    Retinol 99% purity (Vitamin A )Cosmetic,food, medicine grade

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 20.0-35.0/Kilogram

    If there is a new supplier, our audit process will be as follows: Supplier is GMP approved manufacturer and product is listed in GMP certificate ① GMP certificate validation from SFDA website http://www.sfda.gov.cn ② At least 2 different ba

    Arshine Group, set up in Shenzhen in 2007, is one of the leading Health Medicine Raw Materials and Food Raw Materials exporters in China. Arshine Group has obtained international I

  •  Arshine Pharmaceutical Co., Limited

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0731-88503671

    Address:Room 1109.Block C3, Lugu Enterprise Plaza,No.27 Wenxuan Road,Changsha National Hi-Tech Industrial Development Zone,Hunan ,P.R.China

       Inquiry Now

  • All-trans-Retinol Vitamin A Powder Retinol

  • Casno:

    68-26-8

    MSDS/COA Download

    All-trans-Retinol Vitamin A Powder Retinol

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 150.0-150.0/Kilogram

    1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery by well-reputed shipping lines. 4.Trial order is available for testing after samples. 5.We will inform you all the information at every

    Shaanxi greenyo biotech co., ltd is one specialized company which engaged in the naturalplant extracts, pharmaceutical intermediates, chemical raw materials research and developmen

  •  Shaanxi Greenyo Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-29-81772657

    Address:Gaoxin 4th road, High-tech zone,

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  • Vitamin A

  • Casno:

    68-26-8

    Vitamin A

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    Vitamin A acetate 1.Standard:USP/BP/EP 2.Registration: offer the Documents (GMP, DMF ,COA and so on) for your registration. Vitamin A acetate Vitamin A acetate retinol/68-26-8 made in China Vitamin A descrpition Name:VITA

    Welcome to Henan Sinotech! Sinotech Corporation has exceptional sourcing ability for chemicals used in Organic Fine Chemicals and APIs; Inorganic chemicals; Flame Retardants; Rubb

  •  Henan Sinotech Import&Export Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-371-86181678

    Address:No. 260, Dongming Road,Jinshui District

       Inquiry Now

  • Factory Supply  Retinol

  • Casno:

    68-26-8

    Factory Supply Retinol

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Test Item Test Standard Test Value Test Result

    Ality Group, established in 2007, is a comprehensive Chemical Supply Group with Patent Technology as its core. Ality Group operates branches in Hong Kong, Singapore and mainland Ch

  •  Ality Chemical Corporation

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:0513-87616220

    Address:Fine chemical industry park, Nantong,Jiangsu

       Inquiry Now

  • 99% VITAMIN A CAS:68-26-8 For Feed Additives

  • Casno:

    68-26-8

    99% VITAMIN A CAS:68-26-8 For Feed Additives

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s

    Hubei Xinrunde Chemical Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s)

  •  Hubei XinRunde Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+8615102730682

    Address:No.43, Xinandu Industrial Park, East and West Lake District, Wuhan, Hubei, China

       Inquiry Now

  • Retinol   68-26-8

  • Casno:

    68-26-8

    Retinol 68-26-8

    Min.Order: 1 Gram

    FOB Price:  USD $ 350.0-350.0/Gram

    Our company was built in 2009 with an ISO certificate.In the past 11 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

    Our company engages in Electronic chemicals such as OLED,Photoresist chemical,Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

  •  Henan Tianfu Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-371-55170693/55170694

    Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

       Inquiry Now

  • New production CAS 68-26-8 with best quality

  • Casno:

    68-26-8

    New production CAS 68-26-8 with best quality

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 139.0-210.0/Kilogram

    WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

    Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is (Wen Xi Pharma), including three subs

  •  Zhuozhou Wenxi import and Export Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-13111626072

    Address:Room 1710, Baoxin International Phase I, 19 Guanyun East Road, Zhuozhou, Hebei

       Inquiry Now

  • BLOOM TECH Advanced API/Technology support Vitamin A CAS 68-26-8

  • Casno:

    68-26-8

    MSDS/COA Download

    BLOOM TECH Advanced API/Technology support Vitamin A CAS 68-26-8

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Inquiry guide 1.Please send the quantity(Weight) to us, we will arrange our sales to provide the one-for-one service for you. 2.Then we will provide the professional quotation list for you, it will be including all the factors in who

    WHO WE ARE 1.We Focus on the technology of Organic Synthesis since 2008. 2.API/Pharmaceutical intermediate/Fine chemical/New material/Extraction etc. 3.Chemical reagent: Over 300,0

  •  Shaanxi BLOOM TECH Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-29-86470566

    Address:Block A of Central Mansion, No.113 of Weiyang Rd, ETDZ, Xi'an, Shaanxi 710016, China

       Inquiry Now

  • Vitamin A High Purity

  • Casno:

    68-26-8

    MSDS/COA Download

    Vitamin A High Purity

    Min.Order: 10 Gram

    FOB Price:  USD $ 10.0-1000.0/Gram

    Vitamin A China supplier 1) Quick Response Within 12 hours; 2) Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France etc. 3) OEM/ODM

    HUBEI AOKS BIO-TECH CO.,LTD is located in Hubei province of China.We specialized in Active pharmaceutical ingredient,pharmaceutical intermediates,veterinary drug intermediates and

  •  HUBEI AOKS BIO-TECH CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-27-52345788

    Address:28F,China Construction Third Bureau,Wuhan,Hubei Province, China

       Inquiry Now

  • Retinol 68-26-8

  • Casno:

    68-26-8

    Retinol 68-26-8

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

    Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

  •  Shanghai Upbio Tech Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-21-52196435

    Address:No.2 Floor,No.979 Yunhan Rd,Nicheng,Pudong New Area,Shanghai,China

       Inquiry Now

  • Food Grade Powder Retinol Vitamin a (CAS: 68-26-8)

  • Casno:

    68-26-8

    Food Grade Powder Retinol Vitamin a (CAS: 68-26-8)

    Min.Order: 10 Gram

    FOB Price:  USD $ 1.0-2.0/Gram

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    Hubei Jusheng Technology Co., Ltd., is a large group corporation which engaged in the R&D and manufacture of chemicals, Pharmaceuticals and intermediates. We have earned ourselves

  •  Hubei Jusheng Technology Co., Ltd.,

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18871490254

    Address:High-tech Industrial Park,Tianmen city,Hubei province.

       Inquiry Now

  • VITAMIN A   Vitamin and mineral drugs

  • Casno:

    68-26-8

    VITAMIN A Vitamin and mineral drugs

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 45.0-50.0/Kilogram

    Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

    Baoji Guokang Healthchem co.,ltd located in Baoji High-tech Zone,is epitomizing international,cooperative and honest.We are a young company full of action and energy,and our profes

  •  Baoji Guokang Healthchem co.,ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-917-3909592

    Address:China

       Inquiry Now

  • Retinol/ LIDE PHARMA- Factory supply / Best price

  • Casno:

    68-26-8

    Retinol/ LIDE PHARMA- Factory supply / Best price

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&

    LIDE PHARMACEUTICALS LIMITED is one of the fastest growing pharmaceutical company in China. We have developed strategic partnership with our manufacturing associates having state o

  •  LIDE PHARMACEUTICALS LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-25-58409506

    Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.

       Inquiry Now

  • Monad Medicine Factory Price CAS68-26-8 Powder

  • Casno:

    68-26-8

    MSDS/COA Download

    Monad Medicine Factory Price CAS68-26-8 Powder

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0/Kilogram

    Name: Vitamin A Appearance: Yellow Powder CAS Number: 68-26-8 Package: According to the customer's request Export Port: Wuhan, Shanghai, Shenzhen, Guangzhou, etc, Purity: 99% min Storage condition: Refrigerator store (within the te

    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

  •  Wuhan Monad Medicine Tech Co.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8615871419939

    Address:13th Floor, Tower B, Century Plaza, Zhongnan Road, Wuchang District, Wuhan, China.

       Inquiry Now

  • VITAMIN A/ 68-26-8/ 98% IN STOCK CAS NO.68-26-8

  • Casno:

    68-26-8

    VITAMIN A/ 68-26-8/ 98% IN STOCK CAS NO.68-26-8

    Min.Order: 100 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    we are a professional chemical raw materials manufacturer and exporter for many years. Company advantage: 1.Strict raw material selection 2.Mature production process 3.Perfect quality control system 4.Intimate servcie 5.Competitive pri

    We, Jilin Tely Imp & Exp Co., Ltd. mainly supply and export products including: pharmaceutical raw materials,Chemical reagents, Food additives, pharmaceutical and pesticide interme

  •  Jilin Tely Imp.& Exp.Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-431-81915458

    Address:Room 302, 47 Changping Street, Chaoyang District, Changchun, Jilin Province,China

       Inquiry Now

  • Vitamin A1 alcohol

  • Casno:

    68-26-8

    Vitamin A1 alcohol

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 300.0-300.0/Kilogram

    VITAMIN A Basic information Product Name: VITAMIN A Synonyms: Vitamin A1 alcohol;Vitamin A1 alcohol, all-trans-;Vitamin A1, all-trans-;vitamina1alcohol;vitamina1alc

    Who we are ? Located in Zhengzhou City, China , Henan Daken Chemical Co.,Ltd was Established in June ,1983.We have a 35 years history for fine chemical synthesis .Daken has young

  •  Henan DaKen Chemical CO.,LTD.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-371-55541817

    Address:No.56 Hongzhuan Road,Jinshui,Zhengzhou,450000,China

       Inquiry Now

  • Factory Price Retinol Vitamin a Powder CAS 68-26-8

  • Casno:

    68-26-8

    MSDS/COA Download

    Factory Price Retinol Vitamin a Powder CAS 68-26-8

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 10.0-30.0/Kilogram

    Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer,carbopol,lead acetate,meglumine diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterpr

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer, Dibenzylamine,meglumine,lead acetate and other chemical raw materials and chemical reagents research

  •  Hebei Mojin Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:13231137666

    Address:room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China

       Inquiry Now

  • Vitamin A acetate/ Retinol CAS: 68-26-8

  • Casno:

    68-26-8

    Vitamin A acetate/ Retinol CAS: 68-26-8

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Quick Details CAS No.: 68-26-8 Other Names: Vitamin A acetate MF: C10H10O4 EINECS No.: 214-490-0 Place of Origin: Hebei, China (Main

    Hebei Guanlang Biotechnology Co., Ltd. belongs to Guanlang Group,which was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector amon

  •  Hebei Guanlang Biotechnology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619930503256

    Address:No.66, Yuhua West Road

       Inquiry Now

  • High quality pure Retinol CAS NO.68-26-8

  • Casno:

    68-26-8

    High quality pure Retinol CAS NO.68-26-8

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Service we can provide: 1. Mixed container, we can mix different items in one container. 2. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years 3. Prompt shipment with professional documents 4. Packin

    We are Hebei miaobian Biotechnology Co., Ltd , mainly deal in pharmaceutical intermediates and various chemicals. It is with a registered capital of 3 million yuan, is one of the m

  •  Hebei miaobian Biotechnology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:15032793961

    Address:Federal Business Plaza, Qiaoxi District,Shijiazhuang

       Inquiry Now

  • Retinol

  • Casno:

    68-26-8

    Retinol

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

       Inquiry Now

  • Vitamin A

  • Casno:

    68-26-8

    Vitamin A

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d

    Hubei Hanways Pharmchem Co.,Limited is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. Now we

  •  HANWAYS CHEMPHARM CO.,LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-18502787239(whatsapp)

    Address:18-1-802, Green Garden, Jianghan District, Wuhan 430023, China

       Inquiry Now

  • Vitamin A Tablet

  • Casno:

    68-26-8

    Vitamin A Tablet

    Min.Order: 25 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    1, We focus on natural extract/powder fifteen years, 2, We have a professional support team to support our customers 3, Quickly response after received any inquiry, 4, Quality control, supply guarantee, and good payment term. 5, Full solut

    Excellent provides solutions for human nutrition, beauty, food, pharmaceuticals and animal nutrition. Established in 2012, Acerchem has grown to become a global business, providing

  •  EXCELLENT HEALTH PRODUCTS CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-517-88279580

    Address:INDUSTRIAL ZONE,XUYI COUNTY,JIANGSU PROVINCE CHINA

       Inquiry Now

  • VITAMIN A 68-26-8

  • Casno:

    68-26-8

    VITAMIN A 68-26-8

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 1.0-1.0/Kilogram

    Product Name: VITAMIN A Synonyms: Vitamin A;Vitamin A1 alcohol;Vitamin A1 alcohol, all-trans-;Vitamin A1, all-trans-;vitamina1alcohol;vitamina1alcohol,alltrans;Vitavel A;Vitamin A (all-trans-Retinol) CAS: 68-26-8 MF: C20H30O MW: 286.45

    Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded t

  •  Career Henan Chemical Co

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 3 of Innovation Park, East District of the National University Science Park

       Inquiry Now

  • Retinol

  • Casno:

    68-26-8

    Retinol

    Min.Order: 1 Gram

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Chemistry

The Molecular Structure of Vitamin A (CAS NO.68-26-8):

Empirical Formula: C20H30O
Molecular Weight: 286.4516 
IUPAC Name: (2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol 
Appearance: Yellow-Orange Powder
Product Categories: Intermediates & Fine Chemicals;Pharmaceuticals;Retinoids;Intracellular receptor
Nominal Mass: 286
Average Mass: 286.4516 
Monoisotopic Mass: 286.229666
Index of Refraction: 1.549
Molar Refractivity: 95.49 cm3
Molar Volume: 300 cm3
Surface Tension: 36.6 dyne/cm
Density: 0.954 g/cm3
Flash Point: 147.3 °C
Enthalpy of Vaporization: 77.99 kJ/mol
Boiling Point: 421.2 °C at 760 mmHg
Vapour Pressure: 7.35E-09 mmHg at 25°C 
Stability: Stable, but light and air sensitive. Incompatible with strong acids, strong oxidizing agents
InChI: InChI=1/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
Smiles: C=1(C(CCCC1C)(C)C)\C=C\C(=C\C=C\C(=C\CO)C)C 
Melting Point: 63.5 °C
log P (octanol-water): 5.68  
Water Solubility: 0.671 mg/L at 25 °C 
Henry's Law Constant: 1.16E-04 atm-m3/mole at 25 °C 
Atmospheric OH Rate Constant: 4.00E-10 cm3/molecule-sec at 25 °C 

History

  Vitamin A (CAS NO.68-26-8) was first synthesized in 1947 by two Dutch chemists, David Adriaan van Dorp and Jozef Ferdinand Arens. The discovery of vitamin A may have stemmed from research dating back to 1906, indicating that factors other than carbohydrates, proteins, and fats were necessary to keep cattle healthy.By 1917 one of these substances was independently discovered by Elmer McCollum at the University of Wisconsin-Madison, and Lafayette Mendel and Thomas Burr Osborne at Yale University. Since "water-soluble factor B" ( Vitamin B ) had recently been discovered, the researchers chose the name "fat-soluble factor A" (vitamin A).

Uses

 Vitamin A (CAS NO.68-26-8) is important in vision and bone growth,and appears to function in maintaining normal skin health.It is used in medicine and feed industry.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child TDLo oral 912ku/kg/2Y-I (912000iu/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

LIVER: OTHER CHANGES

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
New England Journal of Medicine. Vol. 294, Pg. 805, 1976.
child TDLo oral 5475ku/kg/1Y- (5475000iu/kg) LUNGS, THORAX, OR RESPIRATION: PLEURAL EFFUSION

GASTROINTESTINAL: OTHER CHANGES

MUSCULOSKELETAL: OTHER CHANGES
Clinical Pediatrics Vol. 21, Pg. 435, 1982.
infant LDLo oral 442ku/kg/11D- (442000iu/kg) BEHAVIORAL: ANOREXIA (HUMAN

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"
Archives of Pathology and Laboratory Medicine. Vol. 108, Pg. 838, 1984.
man TDLo oral 1217ku/kg/1Y- (1217000iu/kg) LIVER: "HEPATITIS, FIBROUS (CIRRHOSIS, POST-NECROTIC SCARRING)"

BLOOD: HEMORRHAGE

BLOOD: CHANGES IN SPLEEN
Liver Annual. Vol. 12, Pg. 381, 1992.
mouse LD50 intraperitoneal 1510mg/kg (1510mg/kg)   Journal of the American Academy of Dermatology. Vol. 6, Pg. 652, 1982.
mouse LD50 oral 1510mg/kg (1510mg/kg)   "The Retinoids, Vol.2," Sporn, M.B., et al., eds., New York, Academic Press, Inc., 1984Vol. 2, Pg. 287, 1984.
rat LD50 oral 2gm/kg (2000mg/kg)   Acta Dermato-Venereologica, Supplementum. Vol. 74, Pg. 29, 1975.
women TDLo oral 91000iu/kg/26 (91000iu/kg) BEHAVIORAL: ANOREXIA (HUMAN

LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED"

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
American Journal of Medicine. Vol. 97, Pg. 523, 1994.

Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Safety Profile

Moderately toxic by ingestion. Human teratogenic effects by ingestion: developmental abnormalities of the craniofacial area and urogenital system. An experimental teratogen. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: HarmfulXnDangerousNFlammableF
Risk Statements: 22-38-67-65-62-51/53-48/20-11 
R22: Harmful if swallowed
R38: Irritating to skin
R67: Vapours may cause drowsiness and dizziness
R65: Harmful: may cause lung damage if swallowed
R62: Risk of impaired fertility
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R48/20: Harmful: danger of serious damage to health by prolonged exposure through inhalation
R11: Highly flammable
Safety Statements: 36/37-61-62 
S36/37: Wear suitable protective clothing and gloves
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
S62: If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label
RIDADR: UN 1208 3/PG 2
WGK Germany: 3
RTECS: VH6750000
F: 8-10-16-23 
F 8: Photosensitive
F 10: Keep under argon
F 16: Decomposes easily
F 23: Sensitive to air

Specification

 Vitamin A (CAS NO.68-26-8) is also called as Retinol [INN:BAN] ; (all-E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol ; 2,4,6,8-Nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (all-E)- ; 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclchexen-1-yl)-2,4,6,8-nonatetraen-1-ol ; 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol, (all-E)- ; A-Mulsal ; A-Sol ; A-Vi-Pel ; A-Vitan ; ACON ; ATAV ; Afaxin ; Agiolan ; Agoncal ; Alcovit A ; All-trans retinol ; Alphalin ; Alphasterol ; Anatola ; Anatola A ; Anti-infective vitamin ; Antixerophthalmic vitamin ; Antixerophthalmisches Vitamin ; Aoral ; Apexol ; Apostavit ; Aquasol A ; Aquasynth ; Atars ; Avibon ; Avita ; Avitol ; Axerol ; Axerophthol ; Axerophtholum ; BRN 0403040 ; Bentavit A ; Biosterol ; Chocola A ; Del-VI-A ; Disatabs Tabs ; Dofsol ; Dohyfral A ; EINECS 200-683-7 ; Epiteliol ; HI-A-Vita ; HSDB 815 ; Homagenets Aoral ; Lard factor ; Myvpack ; NSC 122759 ; Nio-A-let ; Oleovitamin A ; Ophthalamin ; Plivit A ; Prepalin ; Retinol ; Retinol, all trans- ; Retinolo ; Retinolo [DCIT] ; Retinolum ; Retinolum [INN-Latin] ; Retrovitamin A ; Sehkraft A ; Solu-A ; Super A ; Testavol ; Testavol S ; UNII-81G40H8B0T ; UNII-G2SH0XKK91 ; VI-alpha ; Vaflol ; Vafol ; Veroftal ; Vi-Dom-A ; Vi-alpha ; Vi-alpha; Vi-alpha ; Vio-A ; Vitamin A alcohol (VAN) ; Vitamin A alcohol, all-trans- ; Vitamin A1 ; Vitamin A1 alcohol ; Vitamin A1 alcohol, all trans ; Vitamin A1, all-trans- ; Wachstumsvitamin ; all-trans-Retinol ; all-trans-Retinyl alcohol ; all-trans-Vitamin A ; all-trans-Vitamin A alcohol ; 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonate-traen-1-ol ; Alcohol 9,13-dimethyl-7-(1,1,5-trimethyl-6-cyclohexen-5-yl)-7,9,11,13-nonatetraen-15-ol  .