Compound Q&A

What is Terazosin EP Impurity A (CAS: 23680-84-4)?

Answer

Terazosin EP Impurity A (Alfuzosin EP Impurity B, Prazosin EP Impurity A)
Terazosin EP Impurity A (CAS: 23680-84-4) is a chemical compound identified as an impurity in pharmaceutical preparations of terazosin, alfuzosin, and prazosin. It is structurally related to these alpha-1 adrenergic receptor antagonists and is often analyzed during drug quality control to ensure compliance with safety and purity standards. Its exact chemical formula is not publicly detailed, but it is characterized as a piperazine derivative with pyrazole and trifluoroethyl groups.

About

CAS No 23680-84-4
English Name Terazosin EP Impurity A (Alfuzosin EP Impurity B, Prazosin EP Impurity A)
Molecular Formula C10H10ClN3O2
Molecular Weight 239.66 g/mol
SMILES COC1=C(C=C2C(=C1)C(=NC(=N2)Cl)N)OC
InChIKey HWIIAAVGRHKSOJ-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:09

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