2-Mercapto-L-histidine

2-硫代组氨酸

Also known as: 2-Mercapto-L-histidine, 2-Mercaptohistidine, 2-Sulfanyl-L-histidine, 2-Thiol-L-histidine, L-2-Thiolhistidine, L-Thiohistidine, (S)-2-Amino-3-(2-thioxo-2,3-dihydro-1H-imidazol-4-yl)propanoic acid, (S)-alpha-amino-2,3-dihydro-2-thioxo-1H-imidazole-4-propionic acid, 3-(2-Thioxo-2,3-dihydro-1H-imidazol-4-yl)alanine, H-2-Mercapto-His-OH, H-His(2-Mercapto)-OH

2-Mercapto-L-histidine (CAS 2002-22-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9N3O2S and a molecular weight of 187.220 g/mol. It is also known as 2-Mercaptohistidine, 2-Sulfanyl-L-histidine and 2-Thiol-L-histidine. Key properties include a melting point of 320-325ºC, a boiling point of 376.3±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 181.4±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2002-22-4

Jingsj CID

J-1517500-9

Molecular Formula

C₆H₉N₃O₂S

Chinese Name

2-硫代组氨酸

Molecular Weight

187.220 g/mol

Category

Organic Acids

Last updated

8/21/2026