Allopurinol Impurity F

别嘌醇杂质F

Also known as: Allopurinol Related Compound F, Allopurinol EP Impurity F, Allopurinol Impurity F (Mixture of Z and E Isomers), Allopurinol Impurity 6, (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester, Ethyl-(E/Z)-3-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate, Ethyl-(E/Z)-5-(2-carbethoxy-2-cyanoethenyl)amino-1H-pyrazole-4-carboxylate, Ethyl (4-ethoxycarbonyl-5-pyrazolyl)aminomethylenecyanoacetate

Allopurinol Impurity F (CAS 321571-07-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O4 and a molecular weight of 278.26400 g/mol. It is also known as Allopurinol Related Compound F, Allopurinol EP Impurity F and Allopurinol Impurity F (Mixture of Z and E Isomers). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 321571-07-7
Jingsj CID: J-1318214-0
Molecular Formula: C₁₂H₁₄N₄O₄
Chinese Name: 别嘌醇杂质F
Molecular Weight: 278.26400 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Allopurinol Impurity F?

The CAS number of Allopurinol Impurity F is 321571-07-7.

What are the molecular formula and molecular weight of Allopurinol Impurity F?

Allopurinol Impurity F has molecular formula C12H14N4O4 and molecular weight 278.26400 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Allopurinol Impurity F (CAS 321571-07-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318214-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.