C16H16N2O6
332.31 g/mol
APIWarning
Carboxy-nifedipine
CAS74936-72-4EC278-034-2
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Carboxy-nifedipine is a chemical compound that serves as an active pharmaceutical ingredient reference standard. It is structurally characterized as a 1,4-dihydropyridine derivative with carboxylic acid and ester functional groups, used for analytical and quality control applications in pharmaceutical manufacturing.
Reference standard for analytical testingQuality control in pharmaceutical manufacturingResearch compound for analytical method development
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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Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Carboxy-nifedipine (CAS 74936-72-4) 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
5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid
InChIKey
JPXPPUOCSLMCHK-UHFFFAOYSA-N
SMILES
CC1=C(C(C(=C(N1)C)C(=O)OC)C2=CC(=CC=C2)[N+](=O)[O-])C(=O)O
Synonyms (31)
- Nicardipine USP Related Compound A
- Nicardipine USP Related Compound A; Benidipine Impurity N; Lercanidipine Impurity 1; Nimodipine Impurity 7
- Carboxy-nifedipine
- Lercanidipine Impurity 9
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