C6H9N3O2
155.15 g/mol
Food AdditiveWarning
L-histidine
CAS71-00-1EC200-745-3
Category
Food Additive
Compound Class
Natural Product
Primary Use
nutritional supplement and dietary additive
L-Histidine is an essential amino acid involved in protein biosynthesis, containing an imidazole side chain that gives it a positive charge at physiological pH. It is required for both infants and adults, as long-term studies have confirmed its essentiality throughout life.
nutritional supplementdietary additive
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 71-00-1
Related Compounds
StrongSame Parent
L-Histidine hydrochloride
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essential amino acid supplement
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Histidine monohydrochloride monohydrate
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pharmaceutical raw material
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Histidine monohydrochloride
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essential amino acid supplement
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nutritional supplement and dietary additive
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Nutritional supplement and dietary additive
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
Identifiers
IUPAC Name
(2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid
InChIKey
HNDVDQJCIGZPNO-YFKPBYRVSA-N
SMILES
C1=C(NC=N1)C[C@@H](C(=O)O)N
Synonyms (76)
- Histidina [INN-Spanish]
- Histidine (USP/INN)
- Histidine, European Pharmacopoeia (EP)
- Histidinum [INN-Latin]
- L-Histidine, United States Pharmacopeia (USP)
- L-Histidine, cell culture tested, meets EP, USP testing specifications, from non-animal source
- (S)1H-Imidazole-4-alanine
- (s)-1h-imidazole-4-alanin
- 1H-Imidazole-4-alanine, (S)-
- 1hsl
- 1lag
- Anti-rheuma
- H-His-OH
- HISTIDINE [MART.]
- HISTIDINE, L-
- Histidine (L-Histidine)
- Histidine (VAN)
- Histidine (for injection)
- Histidine CRS
- Histidinum
- Imidazole C-4(5) deriv. 5
- Istidina
- L-His
- L-His-OH
- L-Hisidine
- L-Histidin
- L-Histidine (H-His-OH)
- L-Histidine (JP18)
- L-Histidine (Standard)
- L-Histidine 7409
- L-Histidine High
- L-Histidine High 7410
- L-Histidine, p.a.
- L-beta-(4-Imidazolyl)alanin
- L-histidine
- L-hystidine
- L-isomer Histidine
- MELOXICAM, HISTIDINE
- S-Histidine
- SERINE IMPURITY C
- US9138393, Histidine
- US9144538, Histidine
- [3H]histidine
- his
- histidina
- histidine