L-Histidine
L-Histidine is an organic compound with the molecular formula C6H9N3O2.
- Formula
- C6H9N3O2
- Functional group
- Amino acids
- Molar mass
- 155.15 g/mol
- Also known as
- (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid, histidine, glyoxaline-5-alanine, L-(-)-Histidine, histidina, Istidina, HISTIDINE, L-
Overview
L-Histidine is an organic compound with the molecular formula C6H9N3O2.
Identifiers
- Formula
- C6H9N3O2
- Functional group
- Amino acids
- Molar mass
- 155.15 g/mol
- Also known as
- (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid, histidine, glyoxaline-5-alanine, L-(-)-Histidine, histidina, Istidina, HISTIDINE, L-
Chemical identifiers
- SMILES
- C1=C(NC=N1)C[C@@H](C(=O)O)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
- PubChem CID
- 6274
Properties
- Melting Point
- 287 °C (decomp)
- Water solubility
- In water, 4.56X10+4 mg/l @ 25 °C
Data availability
Not published: Boiling Point, Density.
Related compounds
- Amino acids
L-Histidine is an organic compound with the molecular formula C6H9N3O2.
References
- PubChem Compound Summary: L-Histidine (CID 6274)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): L-Histidine — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6274#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, DR (ed.). CRC Handbook of Chemistry and Physics. 81st Edition. CRC Press LLC, Boca Raton: FL 2000, p. 3-196
- Hazardous Substances Data Bank (HSDB): L-Histidine — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6274#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky SH, Dannenfelser RM; The AQUASOL dATAbASE of Aqueous Solubility. Ver 5. Tucson, AZ: Univ AZ, College of Pharmacy (1992)