Description

(2S)-2-amino-2-methyl-3-sulfanylpropanoic acid hydrochloride (CAS No. 151062-55-4) is a high-purity, enantiomerically pure derivative of cysteine, specifically designed for advanced research and pharmaceutical applications. This compound features a molecular formula of C₄H₁₀ClNO₂S and is supplied as a hydrochloride salt to enhance stability and solubility. With its chiral center and sulfhydryl (-SH) functional group, it serves as a versatile building block in peptide synthesis, enzyme studies, and biochemical research. Rigorous quality control ensures >98% purity (HPLC), making it ideal for sensitive applications in medicinal chemistry and proteomics. Packaged under inert conditions to prevent oxidation, this product is a must-have for scientists exploring thiol-based modifications and chiral amino acid derivatives.

Properties

• CAS Number: 151062-55-4
• Complexity: 106
• IUPAC Name: (2S)-2-amino-2-methyl-3-sulfanyl-propanoic acid;hydrochloride
• InChI: InChI=1S/C4H9NO2S.ClH/c1-4(5,2-8)3(6)7;/h8H,2,5H2,1H3,(H,6,7);1H/t4-;/m1./s1
• InChI Key: MAGCVRLGTQSVGF-PGMHMLKASA-N
• Exact Mass: 171.0120774
• Molecular Formula: C4H10ClNO2S
• Molecular Weight: 171.65
• SMILES: C[C@@](CS)(C(=O)O)N.Cl
• Topological: 64.3
• Monoisotopic Mass: 171.0120774
• Synonyms: 151062-55-4, (2S)-2-amino-2-methyl-3-sulfanylpropanoic acid hydrochloride, 970-955-4, (S)-2-Amino-3-mercapto-2-methylpropanoic acid hydrochloride, (S)-2-METHYLCYSTEINE HYDROCHLORIDE, (2S)-2-Amino-2-methyl-3-sulfanyl-propanoic acid hydrochloride, D-Cysteine, 2-methyl-, hydrochloride (1:1), MFCD08063383, 2-Methyl-d-cysteine hydrochloride, (2S)-2-amino-2-methyl-3-sulfanylpropanoic acid;hydrochloride, D-Cysteine, 2-methyl-, hydrochloride, SCHEMBL1132702, MAGCVRLGTQSVGF-PGMHMLKASA-N, alpha-methyl-D-cysteine hydrochloride, GEO-02622, AKOS015911165, AS-39242, DB-102203, CS-0308069, (s)-2-amino-3-mercapto-2-methylpropanoic acid, EN300-106795, a-Methyl-D-cysteine hydrochloride (H-D-aMeCys-OH.HCl), (S)-2-Amino-3-mercapto-2-methylpropanoicacidhydrochloride

This compound is widely used in peptide synthesis as a chiral cysteine analog, enabling the study of protein structure-function relationships. Its sulfhydryl group facilitates disulfide bond formation, critical for stabilizing peptide and protein conformations. Researchers also employ it in enzyme inhibition studies due to its ability to interact with active-site thiols. Additionally, it serves as a precursor in the development of novel pharmaceuticals targeting oxidative stress pathways.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.