L-2-Thiolhistidine

Modify Date: 2025-08-24 17:00:33

L-2-Thiolhistidine Structure
L-2-Thiolhistidine structure
Common Name L-2-Thiolhistidine
CAS Number 2002-22-4 Molecular Weight 187.220
Density 1.5±0.1 g/cm3 Boiling Point 376.3±52.0 °C at 760 mmHg
Molecular Formula C6H9N3O2S Melting Point 320-325ºC
MSDS USA Flash Point 181.4±30.7 °C

 Names

Name 2-Mercapto-L-histidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 376.3±52.0 °C at 760 mmHg
Melting Point 320-325ºC
Molecular Formula C6H9N3O2S
Molecular Weight 187.220
Flash Point 181.4±30.7 °C
Exact Mass 187.041550
PSA 130.80000
LogP 0.16
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.695
Storage condition -15°C

 Safety Information

HS Code 2933290090

 Synthetic Route

 Customs

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3-(2-Thioxo-2,3-dihydro-1H-imidazol-4-yl)alanine
L-histidine, 2-mercapto-
(S)-2-Amino-3-(2-thioxo-2,3-dihydro-1H-imidazol-4-yl)propanoic acid
1H-Imidazole-4-propanoic acid, α-amino-2,3-dihydro-2-thioxo-, (αS)-
2-MERCAPTO-L-HISTIDINE
2-Sulfanyl-L-histidine
2-Thiol-L-histidine
UNII:MH6EDB26P8
(2S)-2-amino-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propanoic acid
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