Norneosildenafil

那莫西地那非

Also known as: 5-[2-ethoxy-5-(piperidin-1-ylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one, 1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperidine, 5-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-(1-piperidinylsulfonyl)phenyl]-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, Norneosildenafil USP/EP/BP, Norneo Sildenafil

Norneosildenafil (CAS 371959-09-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H29N5O4S and a molecular weight of 459.562 g/mol. It is also known as 5-[2-ethoxy-5-(piperidin-1-ylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one, 1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperidine and 5-(2-ethoxy-5-piperidin-1-ylsulfonylphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one. Key properties include a melting point of 190-193 °C (lit.), a boiling point of 669.2±65.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 358.5±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

371959-09-0

Jingsj CID

J-1520850-1

Molecular Formula

C₂₂H₂₉N₅O₄S

Chinese Name

那莫西地那非

Molecular Weight

459.562 g/mol

Category

Organic Compounds

Last updated

8/21/2026