C5H9NO4
147.13 g/mol
Food AdditiveDanger
L-glutamic acid
CAS56-86-0EC200-293-7
Category
Food Additive
Compound Class
Organic Acid
Primary Use
nutritional supplement and flavor enhancer
L-glutamic acid is an α-amino acid that serves as a building block for protein biosynthesis in nearly all living organisms. It is a non-essential nutrient for humans and functions as the most abundant excitatory neurotransmitter in the vertebrate nervous system.
nutritional supplementflavor enhancerneurotransmitter precursor
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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Related Compounds
StrongSame Parent
Glutamic acid hydrochloride
CAS138-15-8
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.73
L-2-aminoadipic acid
CAS1118-90-7
Endogenous human metabolite
ApplicationSame Use
L-asparagine zwitterion
CAS70-47-3
nutritional supplement and flavor enhancer
ReferenceSame Category
L-cystine
CAS56-89-3
Dietary supplement and dough strengthener
ReferenceSame Category
Sucralose
CAS56038-13-2
non-nutritive artificial sweetener
ReferenceSame Category
Silver acetate
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Smoking cessation aid additive
ReferenceSame Category
Α-glucose-1-phosphate disodium
CAS56401-20-8
cosmetic ingredient
Referencestereoisomer of
L(+)-Monosodium glutamate monohydrate
CAS6106-04-3
flavor enhancer
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for L-glutamic acid (CAS 56-86-0) is 2922.42.
HS code (international, 6-digit)
2922.42
EU CN code (8-digit)
2922 42 00
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-aminopentanedioic acid
InChIKey
WHUUTDBJXJRKMK-VKHMYHEASA-N
SMILES
C(CC(=O)O)[C@@H](C(=O)O)N
Synonyms (119)
- E620
- GGL
- Acide glutamique [INN-French]
- Acido glutamico [INN-Spanish]
- Acidum glutamicum [INN-Latin]
- Glutamic Acid; Lysine Acetate EP Impurity B; Pemetrexed Impurity M; Asparagine EP Impurity B; Magnesium Pidolate EP Impurity A
- Glutamic acid (USP)
- Glutamic acid, European Pharmacopoeia (EP)
- Glutamic acid, United States Pharmacopeia (USP)
- L-Glutamic acid, from non-animal source, meets EP testing specifications, suitable for cell culture, 98.5-100.5%
- (2S)-2-Aminopentanedioic acid
- (S)-2-Aminopentanedioate
- (S)-2-Aminopentanedioic acid
- (S)-Glu
- (S)-Glutamic acid
- (S)-glutamate
- 1ftj
- 1ii5
- 1xff
- 2-Aminoglutarate
- 2-Aminoglutaric acid
- 2-Aminopentanedioic acid
- ALANINE IMPURITY B
- Acide glutamique
- Acido glutamico
- Acidum glutamicum
- Acidum glutaminicum
- Aciglut
- Asparagine Impurity 5
- D-Glutamiensuur
- GLUTAMIC ACID
- Gamma-L-Glutamic Acid
- Glusate
- Glutamate, L
- Glutamic acid (H-3)
- Glutamic acid (VAN)
- Glutamic acid CRS
- Glutamic acid, (S)-
- Glutamic acid, L-
- Glutamic acid, L- (7CI,8CI)
- Glutamicol
- Glutamidex
- Glutaminic acid (VAN)
- Glutaminol
- Glutaton
- H-Glu
- H-Glu-OH
- INS NO.620
- L-2-Aminoglutaric acid
- L-2-amino-pentanedioic acid
- L-Acido glutamico
- L-GLU-(L-GLU)N-L-GLU
- L-Glu-OH
- L-Glutamate, Aluminum
- L-Glutamic acid (9CI)
- L-Glutamic acid (JP18)
- L-Glutamic acid (Standard)
- L-Glutamic acid polymer
- L-Glutamic adid
- L-Glutaminic acid
- L-Glutaminsaeure
- L-[14C(U)]glutamate
- L-a-Aminoglutarate
- L-a-Aminoglutaric acid
- L-alpha-Aminoglutarate
- L-alpha-Aminoglutaric acid
- L-glu
- L-gluatmate
- L-glutamate
- L-glutamic acid
- LYSINE ACETATE IMPURITY B
- Polyglutamic acid(PGA)
- Stemega anti hair loss gel
- [3h]-l-glutamic acid
- a-Aminoglutarate
- a-Aminoglutaric acid
- a-Glutamate
- a-Glutamic acid
- alpha-Aminoglutarate
- alpha-Glutamate
- alpha-Glutamic acid
- alpha-aminoglutaric acid
- aminoglutarate
- aminoglutaric acid
- gamma-PGA
- gamma-PGA sodium
- glt
- glu
- glut
- glutacid
- glutamate
- glutaminic acid
- pentanedioic acid, 2-amino-
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