C12H14N2O5
266.25 g/mol
Pharmaceutical IntermediateDanger
N-(4-Aminobenzoyl)-L-glutamic acid
CAS4271-30-1EC224-261-7
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate
N-(4-Aminobenzoyl)-L-glutamic acid is a pharmaceutical intermediate used in the synthesis of folic acid. The compound features an aromatic ring, an amide linkage, and two carboxylic acid groups, contributing to its polar and acidic character.
Folic acid intermediate
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 Reading
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for N-(4-Aminobenzoyl)-L-glutamic acid (CAS 4271-30-1) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 70
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-[(4-aminobenzoyl)amino]pentanedioic acid
InChIKey
GADGMZDHLQLZRI-VIFPVBQESA-N
SMILES
C1=CC(=CC=C1C(=O)N[C@@H](CCC(=O)O)C(=O)O)N
Synonyms (39)
- PABGA
- 4-Aminobenzoylglutamic acid, United States Pharmacopeia (USP)
- Calcium folinate hydrate Impurity A [EP Impurity]
- Calcium levofolinate hydrate Impurity A [EP Impurity]
- Folic acid impurity A, European Pharmacopoeia (EP)
- Methotrexate EP Impurity K(Folic Acid EP Impurity A)
- Methotrexate EP Impurity K; Folic Acid EP Impurity A; Calcium Levofolinate EP Impurity A; Calcium Folinate EP Impurity A
- 4-AMINOBENZOIC GLUTAMIC ACID
- 4-Abz-Glu-OH
- 4-Aminobenzoylglutamate
- 4-Aminobenzoylglutamic acid
- CALCIUM FOLINATE IMPURITY A
- FOLIC ACID HYDRATE IMPURITY A
- Folic acid Impurity A
- Folic acid impurity A CRS
- H-4-Abz-Glu-OH
- METHOTREXATE IMPURITY K
- glutamyl-p-aminobenzoic acid
- p-Aminobenzoylglutamic acid
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