C32H37NO4
499.6 g/mol
OtherWarning
2-(4-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid
CAS76811-98-8EC616-390-6
Category
Other
Compound Class
Organic Acid
Primary Use
pharmaceutical impurity reference standard
This compound is a derivative of fexofenadine, specifically identified as its impurity A. It is primarily used as a pharmaceutical impurity reference standard for quality control in drug manufacturing.
pharmaceutical impurity reference standardquality control standard in fexofenadine manufacturing
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
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Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 2-(4-(4-(4-(Hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoic acid (CAS 76811-98-8) 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
2-[4-[4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanoyl]phenyl]-2-methylpropanoic acid
InChIKey
NGAKDIWPTMPPFP-UHFFFAOYSA-N
SMILES
CC(C)(C1=CC=C(C=C1)C(=O)CCCN2CCC(CC2)C(C3=CC=CC=C3)(C4=CC=CC=C4)O)C(=O)O
Synonyms (17)
- Fexofenadine EP Impurity A
- Fexofenadine impurity A CRS
- Fexofenadinone
- Fexofendine impurityc A
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