Compound Q&A

What is Fenofibrate EP Impurity B (CAS: 42017-89-0)?

Answer

Fenofibrate EP Impurity B (Fenofibrate USP Related Compound B, Fenofibric Acid)
Fenofibrate EP Impurity B, also known as Fenofibric Acid, is a chemical compound with the CAS number 42017-89-0. It is a derivative of fibric acid and is commonly used as an impurity in the production of fenofibrate, a drug used to treat hyperlipidemia. The compound is a white to pale yellow solid with a molecular formula of C14H18O4 and exhibits solubility in polar solvents.

About

CAS No 42017-89-0
English Name Fenofibrate EP Impurity B (Fenofibrate USP Related Compound B, Fenofibric Acid)
Molecular Formula C17H15ClO4
Molecular Weight 318.76 g/mol
SMILES CC(C)(C(=O)O)OC1=CC=C(C=C1)C(=O)C2=CC=C(C=C2)Cl
InChIKey MQOBSOSZFYZQOK-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:08

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