L-2-Thiolhistidine

Names

[ CAS No. ]:
2002-22-4

[ Name ]:
L-2-Thiolhistidine

[Synonym ]:
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

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%