108-24-7

Basic information

• Product Name: Acetyl anhydride
• Synonyms: Acetanhydride;Acetic acid, anhydride;Acetic oxide;Acetyl acetate;Acetyl anhydride;Acetyl ether;Acetyl oxide;Anhydrid kyseliny octove;Anhydride acetique;Anidride acetica;Octowy bezwodnik;UNII-2E48G1QI9Q
• CAS NO: 108-24-7
• Molecular Formula: C₄H₆O₃
• Molecular Weight: 102.09
• EINECS: 203-564-8
• Mol File: 108-24-7.mol
• Article Data: 585

Chemical Properties

• Melting Point: -73.1℃
• Boiling Point: 141.137 °C at 760 mmHg
• Flash Point: 54.444 °C
• Appearance: Colorless liquid
• Density: 1.073 g/cm³
• Vapor Density: 3.52
• Vapor Pressure: 5.94mmHg at 25°C
• Refractive Index: 1.386
• Water Solubility: REACTS
• CAS DataBase Reference: Acetyl anhydride(CAS DataBase Reference)
• NIST Chemistry Reference: Acetyl anhydride(108-24-7)
• EPA Substance Registry System: Acetyl anhydride(108-24-7)

Safety Data

• Hazard Codes: C:Corrosive
• Statements: R10:; R20/21:; R34:
• Safety Statements: S26:; S36/37/39:; S45:
• RIDADR: 1715
• HazardClass: 8
• PackingGroup: II
• Hazardous Substances Data: 108-24-7(Hazardous Substances Data)

Usage

Safety Profile

Moderately toxic by inhalation,ingestion, and skin contact. A skin and severe eye irritant. A flammable liquid. A fire and explosion hazard whenexposed to heat or flame. Potentially explosive reactionswith barium peroxide, boric acid, chromium trioxide

InChI:InChI=1/C4H6O3/c1-3(5)7-4(2)6/h1-2H3

Synthetic route

silver(I) acetate (563-63-3) → acetic anhydride (108-24-7) + silver(l) oxide (20667-12-3)

Conditions	Yield
In neat (no solvent) byproducts: Ag, CO2; 300-400°C, quartz-tube, Ar-atmosphere (1atm.), exclusion of H2O;;	A 93% B 96%
In neat (no solvent) calculation of change of free enthalpy during thermic decompn.;;

α-acetoxy-α-phenylbenzeneacetic acid (3808-00-2) → tetraphenylethane-1,2-diol (464-72-2) + acetic anhydride (108-24-7)

Conditions	Yield
With triethylamine In acetonitrile Ambient temperature; electrolysis;	A 93% B n/a
With triethylamine In acetonitrile Product distribution; Ambient temperature; electrolysis;	A 93% B n/a

acetic acid (64-19-7) → acetic anhydride (108-24-7)

Conditions	Yield
With PEG-1000; sulfated zirconia at 40℃; for 2h; neat (no solvent);	90%
With thionyl chloride In dichloromethane at 22 - 25℃; for 0.0833333h;	88.8%
With diammonium phosphate at 725℃; under 195.02 Torr; Reagent/catalyst; Pyrolysis;	48.8%

(Acetoxy)diphenylphosphane (65988-98-9) → acetic anhydride (108-24-7) + complex of tetraphenyldiphosphine with tin tetrabromide + complex of bis(diphenyldiphosphinic) anhydride with tin tetrabromide

Conditions	Yield
With stannic bromide In dichloromethane for 72h; Product distribution; Ambient temperature;	A n/a B n/a C 90%

6-(4-aminophenyl)-1,3-dihydro-5-methyl-2H-imidazo[4,5-b]pyridin-2-one hydrochloride → 6-[4-(Acetylamino)phenyl]-1,3-dihydro-5-methyl-2H-imidazo[4,5-b]pyridin-2-one + acetic anhydride (108-24-7)

Conditions	Yield
	A n/a B 90%
	A n/a B 90%

diphenyltellurium di(acetate) (39652-00-1) → diphenyltellurium dichloride (1206-36-6) + acetic anhydride (108-24-7)

Conditions	Yield
With acetyl chloride In chloroform for 5h; Heating;	A 89% B 81%

acetic acid (64-19-7) + N,N,N',N'-tetraethyl-P-(trichloromethyl)phosphonoimidic diamide (77339-54-9) → chloroform (67-66-3) + N,N,N',N'-tetraethylphosphoric triamide (38590-11-3) + acetic anhydride (108-24-7)

Conditions	Yield
In diethyl ether for 3h; Ambient temperature;	A 89% B 51% C n/a

O-acetyl S,S-diethyl phosphorodithioite (84103-76-4) → diethyl phosphorochloridodithioite (1486-42-6) + acetic anhydride (108-24-7)

Conditions	Yield
With acetyl chloride for 0.5h; Ambient temperature;	A 72% B 89%

O-acetyl S,S-diethyl phosphorodithioite (84103-76-4) + acetyl chloride (75-36-5) → diethyl phosphorochloridodithioite (1486-42-6) + acetic anhydride (108-24-7)

Conditions	Yield
at 20℃; for 0.5h;	A 72% B 89%

(Acetoxy)diphenylphosphane (65988-98-9) → acetic anhydride (108-24-7) + complex of tetraphenyldiphosphine with tin tetrachloride + complex of bis(diphenyldiphosphinic) anhydride with tin tetrachloride

Conditions	Yield
With tin(IV) chloride In dichloromethane for 72h; Product distribution; Ambient temperature;	A n/a B n/a C 88%

N-{5-[2-(4-benzo[d]isothiazol-3-yl-piperazin-1-yl)-ethyl]-1,1,3,3-tetramethyl-indan-2-yl}-N-methylacetamide + methanesulfonic acid (75-75-2) → acetic anhydride (108-24-7)

Conditions	Yield
In diethyl ether; ethyl acetate at 20℃; for 0.25h;	87%

O-acetyl-α-hydroxyisobutyric acid (15805-98-8) → diethylacetamide (685-91-6) + 2,3-dimethyl-2,3-butane diol (76-09-5) + Essigsaeure-2-hydroxy-1,1,2-trimethylpropylester (20127-81-5) + acetic anhydride (108-24-7)

Conditions	Yield
With triethylamine In acetonitrile Ambient temperature; electrolysis; Further byproducts given;	A 47% B 86.8% C 4.7% D n/a

O-acetyl-α-hydroxyisobutyric acid (15805-98-8) + triethylamine (121-44-8) → diethylacetamide (685-91-6) + 2,3-dimethyl-2,3-butane diol (76-09-5) + Essigsaeure-2-hydroxy-1,1,2-trimethylpropylester (20127-81-5) + acetic anhydride (108-24-7)

Conditions	Yield
In acetonitrile Ambient temperature; electrolysis; Further byproducts given;	A 47% B 86.8% C 4.7% D n/a

sodium acetate (127-09-3) → sodium nitrate (7631-99-4) + acetic anhydride (108-24-7)

Conditions	Yield
With dinitrogen tetraoxide In neat (no solvent) byproducts: N2O3; addn. of N2O4 to dry Na acetate;;	A n/a B 85%

4-isopropylbiphenyl (7116-95-2) → 4-Phenylphenol (92-69-3) + acetic anhydride (108-24-7)

Conditions	Yield
Stage #1: 4-isopropylbiphenyl With oxygen at 100℃; under 760.051 Torr; for 7h; Stage #2: With sulfuric acid In acetone at 56℃; for 0.0833333h; Further stages.;	A 84% B n/a

Acetyl bromide (506-96-7) + O-acetyl S,S-dipropyl phosphorodithioite (84103-77-5) → acetic anhydride (108-24-7) + dipropyl phosphorobromidodithioite

Conditions	Yield
	A 82% B 69%
at 25℃; Product distribution; various time, with or without acetic acid or pyridine;

O-acetyl S,S-dipropyl phosphorodithioite (84103-77-5) → acetic anhydride (108-24-7) + dipropyl phosphorobromidodithioite

Conditions	Yield
With Acetyl bromide for 1h; Ambient temperature;	A 82% B 69%

acetaldehyde (75-07-0) → acetic anhydride (108-24-7)

Conditions	Yield
With air; supported Pd/ZrO2 catalyst at 120℃; under 760.051 Torr;	80%
With oxygen bei kurzer Verweilzeit unter Druck, vorteilhaft in Gegenwart von Metallsalzen, und sofortige Abtrennung von gleichzeitig entstandenem Wasser nach verschiedenen Verfahren erhalten;
With ozone bei kurzer Verweilzeit unter Druck, vorteilhaft in Gegenwart von Metallsalzen, und sofortige Abtrennung von gleichzeitig entstandenen Wasser nach verschiedenen Verfahren erhalten;
With oxygen bei kurzer Verweilzeit unter Druck, vorteilhaft in Gegenwart von Metallsalzen, und sofortige Abtrennung von gleichzeitig entstandenem Wasser nach verschiedenen Verfahren erhalten;
With ozone bei kurzer Verweilzeit unter Druck, vorteilhaft in Gegenwart von Metallsalzen, und sofortige Abtrennung von gleichzeitig entstandenen Wasser nach verschiedenen Verfahren erhalten;

diphenyl sulfide (139-66-2) + 3-diazo-2-butanone (14088-58-5) → 1,1'-sulfinylbisbenzene (945-51-7) + acetic anhydride (108-24-7) + dimethylglyoxal (431-03-8)

Conditions	Yield
With oxygen at -78 - 25℃; Product distribution; Mechanism; TPP as sensitizer;	A 19% B 5% C 76%

formaldehyd (50-00-0) + dimethylacetylene (503-17-3) → diacetoxymethane (628-51-3) + acetic anhydride (108-24-7) + acetic acid (64-19-7) + dimethylglyoxal (431-03-8)

Conditions	Yield
With ozone In dichloromethane at -100℃;	A 7% B 71% C 17% D 5%

acetoxyacetic acid (13831-30-6) + acetonitrile (75-05-8) → formaldehyd (50-00-0) + acetic anhydride (108-24-7) + acetic acid (64-19-7) + Essigsaeure-(diacetylamino)methylester (84785-16-0) + Acetoxyessigsaeure-acetoxymethylester (84785-15-9) + Essigsaeure-methylester (84785-17-1)

Conditions	Yield
With triethylamine Mechanism; Product distribution; Ambient temperature; electrolysis;	A 70% B n/a C n/a D 4.8% E 4.2% F 5.5%

acetic acid methyl ester (79-20-9) + carbon monoxide (201230-82-2) → 1,1-diacetoxy-1-ethyl methane (33931-80-5) + acetic anhydride (108-24-7)

Conditions	Yield
With tributylphosphine; hydrogen; methyl iodide; acetylacetonatodicarbonylrhodium(l); palladium diacetate In acetic acid at 160℃; under 147102 Torr; for 4h;	A 68.1% B 5.3%
With tributylphosphine; hydrogen; methyl iodide; acetylacetonatodicarbonylrhodium(l); palladium diacetate In acetic acid at 160℃; under 152000 Torr; for 4h; Product distribution; The effect of mixed transition metal catalysts and the effect of various bases was investigated.;

silver(I) acetate (563-63-3) + 1,3-dicyclohexylthiourea (1212-29-9) → silver sulfide + acetic anhydride (108-24-7)

Conditions	Yield
In acetone byproducts: (C6H11NH)2CO; at room temp.;;	A n/a B 68%

ethyl acetate (141-78-6) → acetic anhydride (108-24-7) + acetic acid (64-19-7)

Conditions	Yield
With chlorine at 51.84℃; under 730 Torr; Irradiation; chamber system;	A 20% B 66%
With chlorine at -24.16℃; under 730 Torr; Irradiation; chamber system;	A 61% B 26%

acetic acid (64-19-7) + 1-ethoxyacetylene (927-80-0) → 1-ethoxyvinyl acetate (5177-66-2) + acetic anhydride (108-24-7)

Conditions	Yield
[ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2 In tetrahydrofuran at 40℃; for 15h;	A 65% B n/a

piperidine (110-89-4) + acetic anhydride (108-24-7) → 1-piperidin-1-yl-ethanone (618-42-8)

Conditions	Yield
With pyridine; aluminum oxide at 95 - 97℃; for 2h; microwave irradiation;	100%
In dichloromethane at 0 - 20℃; for 15h;	100%
With tris(pentafluorophenyl)borate In neat (no solvent) at 20℃; for 0.0166667h; Green chemistry;	97%

2-aminopyridine (504-29-0) + acetic anhydride (108-24-7) → N-(2-pyridyl)acetamide (5231-96-9)

Conditions	Yield
With pyridine In DMF (N,N-dimethyl-formamide) at 0 - 20℃;	100%
With pyridine at 0 - 20℃;	100%
With supported L-pyrrolidine-2-carboxylic acid-4-hydrogen sulfate on Silica Gel at 20℃; for 0.8h; Green chemistry;	91%

2-Amino-6-methylpyridine (1824-81-3) + acetic anhydride (108-24-7) → 2-acetylamino-6-methylpyridine (5327-33-3)

Conditions	Yield
at 60 - 70℃; for 1.5h;	100%
In tetrahydrofuran for 10h; Heating / reflux; Acidic aqueous solution;	99%
at 90℃; for 1.5h;	98%

5-Hydroxy-2-methylpyridine (1121-78-4) + acetic anhydride (108-24-7) → 2-methyl-5-acetoxypyridine (4842-89-1)

Conditions	Yield
at 120℃; for 0.5h;	100%

2-(N-methylamino)pyridine (4597-87-9) + acetic anhydride (108-24-7) → 2-[(N-acetyl-N-methyl)amino]pyridine (61996-35-8)

Conditions	Yield
at 70℃; for 4h;	100%
With acetic acid

benzoimidazole (51-17-2) + acetic anhydride (108-24-7) → 1-acetylbenzimidazole (18773-95-0)

Conditions	Yield
With acetic acid at 140℃; for 0.5h;	100%
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetonitrile at 20℃; for 0.25h; Acetylation;	63%

3,4-bis(hydroxymethyl)furan (14496-24-3) + acetic anhydride (108-24-7) → 3,4-furan dimethanol diacetate (30614-73-4)

Conditions	Yield
With pyridine	100%
With sodium acetate
With pyridine

1-hydroxy-pyrrolidine-2,5-dione (6066-82-6) + acetic anhydride (108-24-7) → N-acetoxysuccinimide (14464-29-0)

Conditions	Yield
for 15h;	100%
With triethylamine for 0.5h;	90%
With hydrogenchloride for 0.25h; Heating;	79.9%

7-Indolol (2380-84-9) + acetic anhydride (108-24-7) → 1H-indol-7-yl acetate (5526-13-6)

Conditions	Yield
With triethylamine In dichloromethane at 20℃; for 16h; Inert atmosphere;	100%
With pyridine
With dmap; potassium carbonate at 100℃; for 6h; Yield given;

1,3-benzothiazol-6-amine (533-30-2) + acetic anhydride (108-24-7) → N-acetyl-6-aminobenzothiazole (58249-63-1)

Conditions	Yield
With pyridine at 20℃;	100%
With silica-supported boric acid In neat (no solvent) at 50℃; for 1h;	96%

2-methyl-8-quinolinol (826-81-3) + acetic anhydride (108-24-7) → 2‐methyl‐8‐acetoxyquinoline (27037-61-2)

Conditions	Yield
for 15h; Acetylation; Heating;	100%
Reflux;	99%
at 138℃; for 5h;	95%

3-bromo-9H-carbazole (1592-95-6) + acetic anhydride (108-24-7) → 1-(3-bromo-9H-carbazol-9-yl)ethan-1-one (177775-86-9)

Conditions	Yield
With sulfuric acid Reflux;	100%
With triethylamine In dichloromethane at 20℃; for 22h;	100%
With boron trifluoride diethyl etherate Reflux;	98%

7-hydroxy-4-methyl-chromen-2-one (90-33-5, 79566-13-5) + acetic anhydride (108-24-7) → 4-methylumbelliferyl acetate (2747-05-9)

Conditions	Yield
With pyridine; dmap	100%
With sodium hydroxide for 0.0125h; microwave irradiation;	99%
With SiO2-supported Co(II) Salen complex catalyst at 50℃; for 0.75h;	99%

4-hydroxydibenzofuran (19261-06-4) + acetic anhydride (108-24-7) → 4-acetoxydibenzofuran (101762-27-0)

Conditions	Yield
With sulfuric acid for 4h;	100%
With sulfuric acid

5-chloro-7-iodoquinolin-8-ol (130-26-7) + acetic anhydride (108-24-7) → 5-chloro-7-iodoquinolin-8-yl ethanoate (27037-46-3)

Conditions	Yield
With pyridine at 60℃; for 0.0833333h;	100%
at 150℃; for 5h;	94%
With pyridine

methyl 3,4-O-isopropylideneshikimate (88165-26-8) + acetic anhydride (108-24-7) → (3aR,7R,7aS)-methyl 7-acetoxy-2,2-dimethyl-3a,6,7,7atetrahydrobenzo[d][1,3]dioxole-5-carboxylate (143308-74-1)

Conditions	Yield
With dmap In dichloromethane for 2h; Ambient temperature;	100%
With pyridine at 20℃; for 1h;	100%
With pyridine

phenylmethyl 1-piperazinecarboxylate (31166-44-6) + acetic anhydride (108-24-7) → 4-acetyl-1-benzyloxycarbonylpiperazine

Conditions	Yield
With pyridine at 20℃; for 18h;	100%
With benzene
With pyridine at 20℃; for 18h;

4',5,7-trihydroxy-8-methoxyisoflavone (13111-57-4) + acetic anhydride (108-24-7) → 5,7-diacetoxy-3-(4-acetoxy-phenyl)-8-methoxy-chromen-4-one (27181-88-0)

Conditions	Yield
With pyridine	100%
With pyridine

quercetol (117-39-5) + acetic anhydride (108-24-7) → 3,5,7-triacetoxy-2-(3,4-diacetoxy-phenyl)-chromen-4-one (1064-06-8)

Conditions	Yield
With pyridine at 130 - 140℃;	100%
With pyridine at 140 - 145℃; for 4h;	97.5%
With pyridine at 70℃; for 6h;	95%

2',3'-O-isopropylideneuridine (362-43-6) + acetic anhydride (108-24-7) → 1-(5-O-Acetyl-2,3-O-isopropylidene-β-D-ribofuranosyl)uracil (15922-23-3)

Conditions	Yield
With triethylamine In dichloromethane for 0.0833333h; Ambient temperature;	100%
With iron(III) sulfate at 20℃; for 3h;	99%
molecular sieve; potassium chloride at 100℃; for 1.5h;	96%
In pyridine	61%
With pyridine

3,4-methylenedioxyphenylethylamine (1484-85-1) + acetic anhydride (108-24-7) → N-[2-(3,4-methylenedioxyphenyl)ethyl]acetamide (58026-25-8)

Conditions	Yield
In toluene at 20℃;	100%

orcinol (504-15-4) + acetic anhydride (108-24-7) → 5-methylbenzene-1,3-diyl diacetate (20982-28-9)

Conditions	Yield
dmap at 100℃; for 2.5h;	100%
With tin(IV) tetraphenylporphyrin perchlorate at 20℃; for 0.0833333h;	99%
With triethylamine In dichloromethane at 0 - 20℃; for 60h;	94%

o-Coumaric acid (614-60-8) + acetic anhydride (108-24-7) → (E)-3-<2-(acetyloxy)phenyl>-2-propenoic acid (16189-10-9)

Conditions	Yield
With dmap; triethylamine In tetrahydrofuran for 2h; Ambient temperature;	100%
With sulfuric acid at 0℃;	65%
With triethylamine In tetrahydrofuran at 0 - 30℃; for 1h; Inert atmosphere;	38%

formic acid (64-18-6) + acetic anhydride (108-24-7) → Acetic formic anhydride (2258-42-6)

Conditions	Yield
at 60℃; for 1h; Inert atmosphere;	100%
at 0 - 60℃; for 3.5h;	78%
at 50℃; Fraktionierung im Vakuum;

LACTIC ACID (849585-22-4) + acetic anhydride (108-24-7) → 2-acetoxypropionic acid (535-17-1)

Conditions	Yield
With sulfuric acid In water at 0 - 100℃; for 0.5h; Temperature; Reagent/catalyst; Solvent;	100%
With hydrogenchloride; acetic acid

Chrysophanol (481-74-3) + acetic anhydride (108-24-7) → 1,8-diacetoxy-3-methyl-anthraquinone (18713-45-6)

Conditions	Yield
With sulfuric acid for 0.5h; Ambient temperature;	100%
With sulfuric acid
With sodium acetate

alpha-D-mannopyranoside (7296-15-3) + acetic anhydride (108-24-7) → per-O-acetyl-α-D-mannopyranose (4163-65-9)

Conditions	Yield
With pyridine; dmap	100%
With sodium acetate Reflux;	99%
With indium(III) triflate at 0℃; for 1h; Product distribution; Further Variations:; Reagents; Temperatures; reaction time; reaction conditions (microwave irradiation);	96%

4-nitro-phenol (100-02-7) + acetic anhydride (108-24-7) → 4-nitrophenol acetate (830-03-5)

Conditions	Yield
K5 In acetonitrile at 20℃; for 0.333333h;	100%
With SBA-15-Ph-Pr-SO3H at 20℃; for 0.833333h;	100%
With magnesium(II) perchlorate at 20℃; for 1.5h;	99%

1,2,3,4-tetrahydronaphthalen-1-amine (2217-40-5) + acetic anhydride (108-24-7) → N-(1,2,3,4-tetrahydro-1-naphthyl)acetamide (42071-43-2)

Conditions	Yield
In dichloromethane at 0 - 25℃; for 1h;	100%

p-cresol (106-44-5) + acetic anhydride (108-24-7) → 1-acetoxy-4-methylbenzene (140-39-6)

Conditions	Yield
With pyridine at 100℃; for 15h;	100%
at 20℃; for 0.666667h;	100%
With pyridine at 25℃; for 12h;	100%

Upstream product

• 108245-63-2 2-Propanone,(2-pyridylamino)-(6CI) 
• 1082448-58-5 [1,2,4]triazolo[4,3-a]pyridin-7-aMine 
• 108244-44-6 2-Chloro-6-isopropylnicotinonitrile 
• 1082435-71-9 2-(2-ethoxyphenyl)acetaldehyde 
• 1082428-27-0 3-Methyl-[1,2,4]triazolo[4,3-a]pyridin-6-aMine 
• 1082420-52-7 1-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methanamine 
• 1082413-19-1 4-(1,3,4-Oxadiazol-2-yl)piperidine 
• 108240-35-3 4(3H)-Quinazolinone, 8-methoxy-2-methyl-3-phenethyl- (6CI) 
• 1082402-98-9 1-acetyl-2,3,9,9a-tetrahydro-1H-benzo[de]quinolin-7(8H)-one 
• 108240-29-5 4-[5-(4-chlorophenyl)sulfanylpentoxy]-3-methoxy-aniline 
• 108240-26-2 1-[bis(4-chlorophenyl)methyl]-4-methyl-piperazine dihydrochloride 
• 108239-90-3 1-hydroxyanthracene-2-carboxylic acid 
• 1082398-70-6 N-(2-Pyridyl)-1-phenol-3-sulfonamide 
• 1082387-98-1 [2-Mercapto-1-(4-methylbenzyl)-1H-imidazol-5-yl]methanol 

Downstream Products

• 1082470-14-1 1H-indole-3-carboxylic acid, 2,6-diMethyl-, Methyl ester 
• 108248-08-4 N-methyl-N-(2-methylpropyl)-1,3-benzodioxol-5-amine 
• 1082481-93-3 1-ACETYLPIPERIDINE-3-CARBALDEHYDE 
• 1082484-37-4 4-Fluoro-3-phenylbenzoic acid 
• 108248-76-6 N-(3-hydroxy-4-methylphenyl)-4-methylbenzenesulfonamide 
• 108249-43-0 3-BROMO-4-HYDROXY-5-METHOXY-BENZOIC ACID METHYL ESTER 
• 108249-48-5 4-Oxo-4,5,6,7-tetrahydrobenzofuran-2-carboxylic acid 
• 1082495-22-4 4-(3-AMino-phenyl)-Morpholin-3-one 
• 1082497-11-7 C-(2-Methoxy-phenyl)-C-(5-methyl-[1,3,4]oxadiazol-2-yl)-methylamine 
• 108249-93-0 2,8-DICHLOROCYCLOOCTANONE 
• 1082501-00-5 {1-[(3,5-dimethylisoxazol-4-yl)sulfonyl]piperidin-4-yl}acetic acid 
• 1082502-18-8 (3-Methoxy-phenyl)-piperidin-4-yl-methanol 
• 108250-25-5 1-{1-[4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenyl]-1,3,3-trimethyl-2,3-dihydro-1H-inden-5-yl}-1H-pyrrole-2,5-dione 
• 1082503-29-4 [2-Amino-1-(3,4,5-trimethoxy-phenyl)-ethyl]-carbamic acid tert-butyl ester 

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