CAS 139755-82-1: DESMETHYL SILDENAFIL

Formula: C₂₁H₂₈N₆O₄S

InChI: InChI=1/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)

Synonyms:

• 5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl- 7H-pyrazolo[4,3-d]pyrimidin-7-one
• Uk 103320
• 5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl]-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

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

CAS: 139755-82-1

• Formula: C₂₁H₂₈N₆O₄S
• Purity: 95%
• Color and Shape: Solid
• Molecular weight: 460.5498

Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

CAS: 139755-82-1

• Formula: C₂₁H₂₈N₆O₄S
• Color and Shape: White To Off-White Solid
• Molecular weight: 460.55

N-Desmethyl Sildenafil

CAS: 139755-82-1

N-Desmethyl Sildenafil (UK-103,320) (Desmethylsildenafil) is a prominent metabolite of Sildenafil, a potent inhibitor of phosphodiesterase …

• Formula: C₂₁H₂₈N₆O₄S
• Purity: 99.68%
• Color and Shape: Liquid
• Molecular weight: 460.55

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

CAS: 139755-82-1

• Formula: C₂₁H₂₈N₆O₄S
• Color and Shape: Neat
• Molecular weight: 460.55

Sildenafil-desmethyl

CAS: 139755-82-1

• Formula: C₂₁H₂₈N₆O₄S
• Color and Shape: Neat
• Molecular weight: 460.55

N-Desmethyl Sildenafil

CAS: 139755-82-1

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

• Formula: C₂₁H₂₈N₆O₄S
• Color and Shape: White To Off-White
• Molecular weight: 460.55

N-Desmethyl Sildenafil Hemicitrate

CAS: 139755-82-1

Applications N-Desmethyl Sildenafil Hemicitrate is an impurity of Sildenafil (S435000), an orally active selective type …

• Formula: C₄₈H₆₄N₁₂O₁₅S₂
• Color and Shape: Neat
• Molecular weight: 1113.22

N-Desmethyl sildenafil

CAS: 139755-82-1

N-Desmethyl sildenafil is a metabolite of sildenafil. It is found in human serum and is …

• Formula: C₂₁H₂₈N₆O₄S
• Purity: (¹H-Nmr) Min. 95 Area-%
• Color and Shape: Powder
• Molecular weight: 460.55 g/mol