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Cas Database

16063-80-2

16063-80-2

Identification

  • Product Name:HEXAFLUORO-DL-VALINE

  • CAS Number: 16063-80-2

  • EINECS:240-207-5

  • Molecular Weight:225.091

  • Molecular Formula: C5H5F6NO2

  • HS Code:2922499990

  • Mol File:16063-80-2.mol

Synonyms:Butyricacid, 2-amino-4,4,4-trifluoro-3-(trifluoromethyl)-, DL- (8CI);DL-Valine,4,4,4,4',4',4'-hexafluoro-;NSC 270745;

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Safety information and MSDS view more

  • Pictogram(s):IrritantXi

  • Hazard Codes:Xi

  • Signal Word:Warning

  • Hazard Statement:H315 Causes skin irritationH319 Causes serious eye irritation H335 May cause respiratory irritation

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

Supplier and reference price view more

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  • Manufacture/Brand:TRC
  • Product Description:Hexafluoro-DL-valine
  • Packaging:500mg
  • Price:$ 175
  • Delivery:In stock
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  • Manufacture/Brand:TCI Chemical
  • Product Description:4,4,4,4',4',4'-Hexafluoro-DL-valine >98.0%(T)
  • Packaging:200mg
  • Price:$ 97
  • Delivery:In stock
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  • Manufacture/Brand:SynQuest Laboratories
  • Product Description:Hexafluoro-DL-valine 97%
  • Packaging:1 g
  • Price:$ 295
  • Delivery:In stock
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  • Manufacture/Brand:SynQuest Laboratories
  • Product Description:Hexafluoro-DL-valine 97%
  • Packaging:250 mg
  • Price:$ 95
  • Delivery:In stock
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:4,4,4,4′,4′,4′-Hexafluoro-DL-valine 97%
  • Packaging:250mg
  • Price:$ 58.4
  • Delivery:In stock
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  • Manufacture/Brand:Oakwood
  • Product Description:Hexafluoro-dl-valine 95%
  • Packaging:5g
  • Price:$ 410
  • Delivery:In stock
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  • Manufacture/Brand:Oakwood
  • Product Description:Hexafluoro-dl-valine 95%
  • Packaging:250mg
  • Price:$ 48
  • Delivery:In stock
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  • Manufacture/Brand:Oakwood
  • Product Description:Hexafluoro-dl-valine 95%
  • Packaging:1g
  • Price:$ 95
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  • Manufacture/Brand:Matrix Scientific
  • Product Description:Hexafluoro-DL-valine 97%
  • Packaging:1g
  • Price:$ 94
  • Delivery:In stock
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  • Manufacture/Brand:Matrix Scientific
  • Product Description:Hexafluoro-DL-valine 97%
  • Packaging:250mg
  • Price:$ 46
  • Delivery:In stock
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Relevant articles and documentsAll total 3 Articles be found

Synthesis of [Hexafluorovalyl1,1′]gramicidin S

Arai, Toru,Imachi, Takashi,Kato, Tamaki,Ogawa, H. Iyehara,Fujimoto, Tsutomu,Nishino, Norikazu

, p. 1383 - 1389 (2007/10/03)

[Hexafluorovalyl1,1′]gramicidin S (8), in which two valine residues in the natural gramicidin S were replaced by L-hexafluorovaline (Hfv) residues, was synthesized by the solid-phase-synthesis and cyclization-cleavage method on benzophenone oxime resin. Though the racemic hexafluorovaline derivative was employed for the peptide synthesis, the desired product was isolated in moderate yield, probably reflecting the stable cyclic structure of 8. CD and 1HNMR spectra indicated that the conformation of 8 is similar to that of gramicidin S. The two β-turn structure and antiparallel β-sheet structure with four intramolecular hydrogen bondings were maintained in spite of introducing the hexafluorovaline residues. The dye-release experiment from lecithin vesicle and antimacrobial activity assay also indicated that 8 showed membrane-disturbing activity like gramicidin S, although the activity of 8 was somewhat weaker than gramicidin S.

Synthesis of Fluorine-Containing Peptides. Analogues of Angiotensin II Containing Hexafluorovaline.

Vine, William H.,Hsieh, Kun-hwa,Marshall, Garland R.

, p. 1043 - 1047 (2007/10/02)

γ,γ,γ,γ',γ',γ'-Hexafluorovaline and derivatives have been prepared and incorporated into angiotensin II by fragment condensation and solid-phase peptide synthesis.Hexafluorovaline derivatives showed general resistance toward various enzymatic digestions and the tendency to racemize extensively upon carboxyl activation.When the angiotensin II analogues were assayed on rat uterus, 5>AII had 133percent activity, 5>AII was inactive, and 1,DL-Hfv8>AII was a potent inhibitor of angiotensin II in vitro and in vivo.

Process route upstream and downstream products

Process route

DL-hexafluorovaline benzyl ester
107496-45-7

DL-hexafluorovaline benzyl ester

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
With hydrogen; palladium; In methanol;
78%
DL-Hfv-OEt
78185-92-9

DL-Hfv-OEt

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
With hydrogenchloride; for 7h; Heating;
91%
With hydrogenchloride; at 90 ℃; for 7h;
80%
With hydrogenchloride;
benzyl 4,4,4-trifluoro-3-(trifluoromethyl)but-2-enoate
107496-44-6

benzyl 4,4,4-trifluoro-3-(trifluoromethyl)but-2-enoate

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: 91 percent / NH3 (liq.) / diethyl ether / a) -80 deg C, 45 min, b) RT, overnight
2: 78 percent / H2 / Pd / methanol
With ammonia; hydrogen; palladium; In methanol; diethyl ether;
ethyl 4,4,4-trifluoro-3-(trifluoromethyl)crotonate
1513-60-6

ethyl 4,4,4-trifluoro-3-(trifluoromethyl)crotonate

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: 86 percent / NH3 / diethyl ether / 195 - 293 °C
2: 91 percent / 6M aq. HCl / 7 h / Heating
With hydrogenchloride; ammonia; In diethyl ether;
Multi-step reaction with 2 steps
1: 85 percent / liguid NH3 / diethyl ether / 1.) -80 deg C, 40 min, 2.) RT, 3 h
2: 80 percent / 6N HCl / 7 h / 90 °C
With hydrogenchloride; ammonia; In diethyl ether;
Multi-step reaction with 2 steps
1: NH3
2: aq. HCl
With hydrogenchloride; ammonia;
DL-hexafluorovaline benzyl ester hydrochloride
78164-91-7

DL-hexafluorovaline benzyl ester hydrochloride

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
With hydrogen; 10% palladium on active carbon;
Hexafluorisopropyliden-malonsaeure-diethylester
759-25-1

Hexafluorisopropyliden-malonsaeure-diethylester

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: NH3 / diethyl ether
2: aq. HCl
With hydrogenchloride; ammonia; In diethyl ether;
(β,β,β,β',β',β'-Hexafluor-α-acetoxy-isopropyl)-malonsaeure-diethylester
4748-39-4

(β,β,β,β',β',β'-Hexafluor-α-acetoxy-isopropyl)-malonsaeure-diethylester

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
Multi-step reaction with 3 steps
1: K2CO3
2: NH3 / diethyl ether
3: aq. HCl
With hydrogenchloride; ammonia; potassium carbonate; In diethyl ether;
2-Amino-2-hexafluorisopropyl-malonsaeure-diaethylester
2711-61-7

2-Amino-2-hexafluorisopropyl-malonsaeure-diaethylester

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
With hydrogenchloride;
(4,4,4)-trifluoro-3-(trifluoromethyl)but-2-enoic acid
1763-28-6

(4,4,4)-trifluoro-3-(trifluoromethyl)but-2-enoic acid

(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

Conditions
Conditions Yield
Multi-step reaction with 3 steps
1: H2SO4
2: NH3
3: aq. HCl
With hydrogenchloride; sulfuric acid; ammonia;
(RS)-hexafluorovaline
16063-80-2

(RS)-hexafluorovaline

benzyl alcohol
100-51-6,185532-71-2

benzyl alcohol

DL-hexafluorovaline benzyl ester
107496-45-7

DL-hexafluorovaline benzyl ester

Conditions
Conditions Yield
With toluene-4-sulfonic acid; In benzene; for 240h; Heating;
6%

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