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Product Overview

Product Code

TRC-D292200

CAS Number

139755-82-1

EP Description

Sildenafil Citrate Impurity F

Product Format

Neat

Molecular Formula

C21 H28 N6 O4 S

Molecular Weight

460.55

API Family

Sildenafil Citrate

Product Categories

Erectile dysfunction, TRC, Enzyme inhibitors, Impurity Reference Materials , Additional pharmaceutical toxicology reference materials, Additional Toxicology Reference Materials , Additional pharmaceutical toxicology research materials, Phosphodiesterase, Memory, Learning and Cognition, Parkinson's, Schizophrenia, Antihypertensives, Pharmaceutical and Veterinary Residue Reference Materials , Pharmaceutical, Veterinary Compound & Metabolite Reference Materials , Pharmaceutical and veterinary compounds and metabolites Reference Materials

Product Type

Impurity, Metabolite

Purity

>95% (HPLC)

Drug Type

Additional Drugs

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Product Information

Chemical Data

Analyte Name

Desmethylsildenafil (1-[(3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl]piperazine)

CAS Number

139755-82-1

Molecular Formula

C21 H28 N6 O4 S

Molecular Weight

460.55

Accurate Mass

460.1893

SMILES

CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)N4CCNCC4

InChI

InChI=1S/C21H28N6O4S/c1-4-6-16-18-19(26(3)25-16)21(28)24-20(23-18)15-13-14(7-8-17(15)31-5-2)32(29,30)27-11-9-22-10-12-27/h7-8,13,22H,4-6,9-12H2,1-3H3,(H,23,24,28)

IUPAC

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

Product Data

Storage Temperature

-20°C

Shipping Temperature

Room Temperature

Country of Origin

CANADA

Product Type

Metabolite

Product Format

Neat

API Family

Sildenafil Citrate

Purity

>95% (HPLC)

Product Description

A metabolite of Sildenafil (S435001), an orally active selective type 5 cGMP phosphodiesterase inhibitor.

References: Walker, D; Xenobiotica, 29, 297 (1999), Shim, H., et al.: J. Pharm. Biomed. Anal., 30, 527 (2002), Kim, J., et al.: J. Pharm. Biomed. Anal., 32, 317 (2003), Pelander, A., et al.: J. Anal. Toxicol., 27, 226 (2003),

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N-Desmethyl Sildenafil

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