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.
Sourcing L-histidine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
StrongSame Parent
L-Histidine hydrochloride
CAS1007-42-7
essential amino acid supplement
StrongSame Parent
Histidine monohydrochloride monohydrate
CAS5934-29-2
pharmaceutical raw material
StrongSame Parent
Histidine monohydrochloride
CAS645-35-2
essential amino acid supplement
ApplicationSame Use
Tryptophan
CAS73-22-3
nutritional supplement and dietary additive
ApplicationSame Use
L-arginine
CAS74-79-3
nutritional supplement and dietary additive
ReferenceSame Category
Disodium glycyrrhizate
CAS71277-79-7
Food and cosmetic additive
ReferenceSame Category
Sodium lactate
CAS72-17-3
Food acidity regulator and preservative
ReferenceSame Category
L-valine zwitterion
CAS72-18-4
Nutritional supplement and dietary additive
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for L-histidine (CAS 71-00-1) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
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
Sourcing L-histidine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.