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(R)-2-METHYLCYSTEINE HYDROCHLORIDE

CAS No.
148766-37-4
Chemical Name:
(R)-2-METHYLCYSTEINE HYDROCHLORIDE
Synonyms
α-Me-Cys-OH·HCl;α-Me-Cys-OH.HCl;H-L-Cys(a-Me)-OH.HCl;H-alpha-Me-L-Cys-OH*HCl;2-Methyl-D-cysteine HCl;Alpha-Methyl-Cys-OH·HCl;(R) -H-Cys(a-Me)-OH.HCl;(R)-2-Methylcysteine HCl;(R)-L-Α-METHYLCYSTEINE·HCL;(R)-L-a-Methylcysteine·HCl
CBNumber:
CB2449641
Molecular Formula:
C4H10ClNO2S
Molecular Weight:
171.65
MDL Number:
MFCD08063384
MOL File:
148766-37-4.mol
MSDS File:
SDS
Last updated:2026-03-18 11:52:23
Product description Number Pack Size Price
2-Methyl-​L-cysteineHydrochloride M299545 10mg $50
2-Methyl-L-cysteine hydrochloride 283670 50mg $333
α-Me-Cys-OH•HCl 180308 1g $726
(R)-2-AMINO-3-MERCAPTO-2-METHYL-PROPIONIC ACID HYDROCHLORIDE 95.00% CCH0001317 1G $1379.7
α-Me-Cys-OH•HCl 180308 5g $2250

(R)-2-METHYLCYSTEINE HYDROCHLORIDE Properties

Melting point 155-157℃
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
solubility Methanol (Slightly), Water (Slightly)
form Powder
color White to pale yellow
Stability Hygroscopic
InChI InChI=1/C4H9NO2S.ClH/c1-4(5,2-8)3(6)7;/h8H,2,5H2,1H3,(H,6,7);1H/t4-;/s3
InChIKey MAGCVRLGTQSVGF-NDILARRWNA-N
SMILES [C@@](C)(CS)(N)C(O)=O.Cl |&1:0,r|

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
HS Code  2930909899

(R)-2-METHYLCYSTEINE HYDROCHLORIDE price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC M299545 2-Methyl-​L-cysteineHydrochloride 148766-37-4 10mg $50 2021-12-16 Buy
Usbiological 283670 2-Methyl-L-cysteine hydrochloride 148766-37-4 50mg $333 2021-12-16 Buy
ChemPep 180308 α-Me-Cys-OH•HCl 148766-37-4 1g $726 2021-12-16 Buy
American Custom Chemicals Corporation CCH0001317 (R)-2-AMINO-3-MERCAPTO-2-METHYL-PROPIONIC ACID HYDROCHLORIDE 95.00% 148766-37-4 1G $1379.7 2021-12-16 Buy
ChemPep 180308 α-Me-Cys-OH•HCl 148766-37-4 5g $2250 2021-12-16 Buy
Product number Packaging Price Buy
M299545 10mg $50 Buy
283670 50mg $333 Buy
180308 1g $726 Buy
CCH0001317 1G $1379.7 Buy
180308 5g $2250 Buy

(R)-2-METHYLCYSTEINE HYDROCHLORIDE Chemical Properties,Uses,Production

Uses

2-Methyl-L-cysteine Hydrochloride is used in the preparation of isoteric thiazoline-oxazole largazole analogs which display cytoxicity. Also used in the synthesis of 2,3-diubstituted thiazoline for pharmaceutical synthesis.

Application

(R)-2-Methylcysteine hydrochloride is used as a pharmaceutical intermediate component in the synthesis of Largazole, a potent class I selective histone deacetylase (HDAC) inhibitor prodrug with anticancer activity against solid tumours in preclinical models.

(R)-2-METHYLCYSTEINE HYDROCHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

(R)-2-METHYLCYSTEINE HYDROCHLORIDE Suppliers

Global( 74)Suppliers
Supplier Tel Email Country ProdList Advantage
SyncoZymes (Shanghai) Co., Ltd.,
+8613681683526 lchen@syncozymes.com China 289 58
Hebei Yanxi Chemical Co., Ltd.
+8618531123677 faithe@yan-xi.com China 5853 58
Hebei Chuanghai Biotechnology Co., Ltd
+8615531151365 mina@chuanghaibio.com China 18126 58
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29822 58
Jinan Carbotang Biotech Co.,Ltd.
+8615866703830 figo.gao@foxmail.com China 8497 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
+86-021-61551413 +8618813727289 contact@trustwe.com China 5742 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250 1026@dideu.com China 18895 58
Hefei Hirisun Pharmatech Co., Ltd
+8615056975894 shawn@hirisunpharm.com CHINA 9911 58
Nextpeptide Inc
+86-0571-81612335 +8613336028439 sales@nextpeptide.com China 19908 58

View Lastest Price from (R)-2-METHYLCYSTEINE HYDROCHLORIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(R)-2-METHYLCYSTEINE HYDROCHLORIDE pictures 2025-06-27 (R)-2-METHYLCYSTEINE HYDROCHLORIDE
148766-37-4
US $0.00-0.00 / KG 1KG 99% 500000kg Hebei Chuanghai Biotechnology Co., Ltd
(R)-2-METHYLCYSTEINE HYDROCHLORIDE pictures 2025-06-20 (R)-2-METHYLCYSTEINE HYDROCHLORIDE
148766-37-4
US $30.00-1.00 / kg 1kg 0.99 20 tons Hebei Yanxi Chemical Co., Ltd.
(R)-2-METHYLCYSTEINE HYDROCHLORIDE pictures 2019-07-10 (R)-2-METHYLCYSTEINE HYDROCHLORIDE
148766-37-4
US $1.00 / KG 1KG 98% 150KG Career Henan Chemical Co
α-Me-Cys-OH·HCl H-alpha-Me-L-Cys-OH*HCl (R)-2-Methylcysteine HCl (2R)-2-Amino-2-methyl-3-sulfanyl-propanoic acid hydrochloride 2-Methyl-L-cysteine hydrochloride, 98% ee (R)-2-METHYLCYSTEINE HYDROCHLORIDE L-2-Methylcysteine hydrochloride 2-Methyl-L-cysteine hydrochloride, 98%, 98% ee 2-Methyl-D-cysteine HCl L-Cysteine, 2-Methyl-,hydrochloride (1:1) (R)-2-Methylcysteine hydrochloride, tech (R)-2-AMino-3-Mercapto-2-Methylpropanoic acid hydrochloride (R)-L-Α-METHYLCYSTEINE·HCL Alpha-Methyl-Cys-OH·HCl (R)-2-Amino-3-mercapto-2-methyl-propionic acid hydrochloride 2-Methyl-L-cysteine Hydrochloride (R)-2-METHYLCYSTEINE HYDROCHLORIDE USP/EP/BP (R) -H-Cys(a-Me)-OH.HCl H-L-Cys(a-Me)-OH.HCl L-(R)-2-methylcysteine hydrochloride (R)-L-a-Methylcysteine·HCl α-Me-Cys-OH.HCl 148766-37-4 α-Methyl Amino Acids