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S-Phenyl-L-cysteine

S-Phenyl-L-cysteine Structure
S-Phenyl-L-cysteine structure
CAS No.
34317-61-8
Chemical Name:
S-Phenyl-L-cysteine
Synonyms
SKL125;H-Cys(Ph)-OH;(S)-PHENYL-L-CYS;H-CYS(PHENYL)-OH;S-Phenylcysteine;L-S-phenylcysteine;D-S-Phenylcysteine;beta-phenylcysteine;S-PHENYL-L-CYSTEINE;CYSTEINE(PHENYL)-OH
CBNumber:
CB5273777
Molecular Formula:
C9H11NO2S
Molecular Weight:
197.26
MDL Number:
MFCD01318758
MOL File:
34317-61-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 05:26:53
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S-Phenyl-L-cysteine Properties

Melting point 200 °C (dec.) (lit.)
Boiling point 361.5±37.0 °C(Predicted)
alpha 10 º (c=1, 0.1N NaOH)
Density 1.2342 (rough estimate)
refractive index 1.5270 (estimate)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility Aqueous Acid (Slightly), Aqueous Base (Slightly)
form Solid
pka 2.04±0.10(Predicted)
color White to Off-White
optical activity [α]20/D +10°, c = 1.5 in 1 M NaOH
Water Solubility Water: sparingly soluble
BRN 2268203
Major Application peptide synthesis
InChI 1S/C9H11NO2S/c10-8(9(11)12)6-13-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1
InChIKey XYUBQWNJDIAEES-QMMMGPOBSA-N
SMILES N[C@@H](CSc1ccccc1)C(O)=O
CAS DataBase Reference 34317-61-8(CAS DataBase Reference)
UNSPSC Code 12352209
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  37/39-26
WGK Germany  3
HS Code  29309016
Storage Class 11 - Combustible Solids
NFPA 704
1
2 0

S-Phenyl-L-cysteine price More Price(54)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 530190 S-Phenyl-L-cysteine 97% 34317-61-8 5g $131 2026-04-30 Buy
Cayman Chemical 29734 S-Phenylcysteine ≥98% 34317-61-8 5mg $103 2026-04-30 Buy
Cayman Chemical 29734 S-Phenylcysteine ≥98% 34317-61-8 10mg $183 2026-04-30 Buy
Cayman Chemical 29734 S-Phenylcysteine ≥98% 34317-61-8 25mg $402 2026-04-30 Buy
Cayman Chemical 29734 S-Phenylcysteine ≥98% 34317-61-8 50mg $702 2026-04-30 Buy
Product number Packaging Price Buy
530190 5g $131 Buy
29734 5mg $103 Buy
29734 10mg $183 Buy
29734 25mg $402 Buy
29734 50mg $702 Buy

S-Phenyl-L-cysteine Chemical Properties, Uses, Production

Chemical Properties

almost white to beige powder

Uses

Inhibitor of enzyme.

reaction suitability

reaction type: solution phase peptide synthesis

S-Phenyl-L-cysteine Preparation Products And Raw materials

Raw materials

Preparation Products

S-Phenyl-L-cysteine Suppliers

Global Suppliers ( 132)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Pure Chemistry Scientific Inc. 001-857-928-2050 or 1-888-588-9418 sales@chemreagents.com United States 10174 62
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Sichuan Kulinan Technology Co., Ltd 400-1166-196 18981987031 cdhxsj@163.com China 11674 57
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Alfa Aesar 84
Energy Chemical 61
Capot Chemical Co., Ltd 66
Pure Chemistry Scientific Inc. 62
Shanghai Hanhong Scientific Co.,Ltd. 64
Chemsky（shanghai）International Co.,Ltd. 50
Shandong Xiya Chemical Co., Ltd 57
Sichuan Kulinan Technology Co., Ltd 57

View Latest Price from S-Phenyl-L-cysteine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
S-Phenyl-L-cysteine pictures 2024-08-27 S-Phenyl-L-cysteine
34317-61-8
 $1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd
S-Phenyl-L-cysteine pictures 2019-09-02 S-Phenyl-L-cysteine
34317-61-8
 $7.00 1KG 99% Career Henan Chemical Co

S-Phenyl-L-cysteine Spectrum

S-Phenyl-L-cysteine(34317-61-8)1HNMRS-Phenyl-L-cysteine(34317-61-8)IR

34317-61-8 (S-Phenyl-L-cysteine) Related Search:

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beta-phenylcysteine (R)-2-AMINO-3-(S-PHENYLTHIO)PROPANOIC ACID (S)-2-AMINO-3-(S-PHENYLTHIO)PROPANOIC ACID (S)-PHENYL-L-CYS S-PHENYL-L-CYSTEINE H-CYS(PHENYL)-OH CYSTEINE(PHENYL)-OH D-S-Phenylcysteine 3-(phenylthio)-l-alanine L-S-phenylcysteine 4-Thia-L-homophenylalanine H-Cys(Ph)-OH S-Phenyl-L-cysteine,99% S-Phenyl-L-cysteineCAS Number: 3-(Phenylthio)-L-Alanine, 4-Thia-L-homophenylalanine (2R)-2-amino-3-phenylsulfanylpropanoic acid S-Phenyl-L-cysteine 97% (R)-2-AMino-3-(phenylthio)propanoic acid (2R)-2-ammonio-3-(phenylthio)propanoate S-Phenylcysteine L-Cysteine, S-phenyl- (2R)-2-amino-3-phenylsulfanylpropanoicaci S-Phenyl-L-cysteine USP/EP/BP SKL125 S-Phenyl-L-cysteine 34317-61-8 3431-61-8 305-41-1 C6H5SCHNH2CO2H C6H5SCH2CHNH2CO2H Amino Acid Derivatives Specialty Synthesis Peptide Synthesis Cysteine/Cystine Amino Acids & Derivatives Sulfur & Selenium Compounds Amino Acids Cysteine [Cys, C] Amino Acid Derivatives PROTECTED AMINO ACID & PEPTIDES