Histidine

C6H9N3O2CAS 71-00-1155.16 g/mol

H2NNHNOHO
Carboxylic acidPrimary amine

Properties

Molecular formula
C6H9N3O2
Molar mass
155.16 g/mol
Exact mass
155.0695 Da
Melting point
287 °C (decomposes)
logP
-0.64Crippen estimate
Polar surface area
92.0 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
3
Stereocentres
Sin SMILES atom order

Identifiers

CAS number
71-00-1
SMILES
N[C@@H](Cc1cnc[nH]1)C(=O)O
InChIKey
HNDVDQJCIGZPNO-YFKPBYRVSA-N
InChI
InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1

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Type any one amount. The others follow from the molar mass.

Names and synonyms

17 names · show all
  • L-Histidine
  • Histidine, L-
  • 1H-Imidazole-4-propanoic acid, α-amino-, (S)-
  • (S)-4-(2-Amino-2-carboxyethyl)imidazole
  • Glyoxaline-5-alanine
  • L-(-)-Histidine
  • (S)-Histidine
  • (S)-α-Amino-1H-imidazole-4-propanoic acid
  • 1H-Imidazole-4-alanine, (S)-
  • L-Alanine, 3-(1H-imidazol-4-yl)-
  • NSC 137773
  • (2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid
  • 8: PN: EP2878667 TABLE: 5 claimed sequence
  • (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid
  • (2S)-2-Azaniumyl-3-(1H-imidazol-5-yl)propanoate
  • 124: PN: WO2020191245 SEQID: 252 claimed protein
  • 103: PN: WO2021061872 SEQID: 103 claimed protein

Work with Histidine

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere