C7H5NO4
167.12 g/mol
Pharmaceutical IntermediateWarning
2,5-Pyridinedicarboxylic acid
CAS100-26-5EC202-834-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,5-Pyridinedicarboxylic acid is an organic compound belonging to the group of pyridinedicarboxylic acids, which are dicarboxylic derivatives of pyridine. It is primarily used as an intermediate in the manufacturing of nicotinic acid.
intermediate for nicotinic acid synthesis
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
ReferenceSame Category
N,N-diethylethylenediamine
CAS100-36-7
pharmaceutical intermediate
ReferenceSame Category
Benzyl bromide
CAS100-39-0
pharmaceutical intermediate
ReferenceSame Category
Benzyl chloride
CAS100-44-7
pharmaceutical intermediate
ReferenceSame Category
Phenylmethanamine
CAS100-46-9
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,5-Pyridinedicarboxylic acid (CAS 100-26-5) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
pyridine-2,5-dicarboxylic acid
InChIKey
LVPMIMZXDYBCDF-UHFFFAOYSA-N
SMILES
C1=CC(=NC=C1C(=O)O)C(=O)O
Synonyms (12)
- Nicotinic Acid EP Impurity D
- 2,5-Dicarboxy-pyridine
- 2,5-PDC
- 2,5-Pyridinedicarboxylic acid
- 6-carboxy-nicotinic acid
- Isocinchomeronic acid
- Pyridine 2,5-dicarboxylate
- pyridine carboxylate, 6b
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