Jingsj
.mol.sdf

1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one

Also known as: 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-, SildefilImpurity52, Sildenafil Impurity 18/5-(2-hydroxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, Sildenafil Impurity 52, Sildenafil Impurity 81

1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 139756-26-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H16N4O2 and a molecular weight of 284.31 g/mol. It is also known as 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-, SildefilImpurity52 and Sildenafil Impurity 18/5-(2-hydroxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139756-26-6
Jingsj CID
J-1234011-2
Molecular Formula
C15H16N4O2
Molecular Weight
284.31 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one?

The CAS number of 1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one is 139756-26-6.

What are the molecular formula and molecular weight of 1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one?

1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one has molecular formula C15H16N4O2 and molecular weight 284.31 g/mol.

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

Last updated:

How to cite: Jingsj. "1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 139756-26-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1234011-2 (accessed 2026-10-25).

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