Isobutyl Sildenafil

异丁基西地那非

Also known as: Sildenafil impurity A, Sildenafil EP Impurity A, Sildenafil Related Compound A, 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one, Sildenafil A

Isobutyl Sildenafil (CAS 1391053-95-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H32N6O4S and a molecular weight of 488.60300 g/mol. It is also known as Sildenafil impurity A, Sildenafil EP Impurity A and Sildenafil Related Compound A. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1391053-95-4
Jingsj CID
J-1307107-9
Molecular Formula
C23H32N6O4S
Chinese Name
异丁基西地那非
Molecular Weight
488.60300 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Isobutyl Sildenafil?

The CAS number of Isobutyl Sildenafil is 1391053-95-4.

What are the molecular formula and molecular weight of Isobutyl Sildenafil?

Isobutyl Sildenafil has molecular formula C23H32N6O4S and molecular weight 488.60300 g/mol.

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

Last updated:

How to cite: Jingsj. "Isobutyl Sildenafil (CAS 1391053-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1307107-9 (accessed 2026-10-25).

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