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CAS RN 139755-82-1

CAS RN 139755-82-1

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1

Desmethylsildenafil (1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperazine) 1.0 mg/ml in Methanol, LoGiCal

LoGiCal delivers certified reference materials you can trust as neats, native solutions and stable isotope labelled solutions, with precise documentation and expert support. From forensic to clinical labs, choose LoGiCal for confidence, compliance, and analytical excellence.

2

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

Discover Mikromol - your trusted source for high-quality pharmaceutical reference standards. Supporting accurate, compliant analysis with ISO 17034-accredited materials designed for confidence in every result.

Shipping Condition Room Temperature
CAS 139755-82-1
Molecular Weight (g/mol) 460.55
InChI Formula 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)
Chemical Name or Material Desmethylsildenafil (1-[(3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl]piperazine)
SMILES CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)N4CCNCC4
Synonym 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperazine,Desmethylsildenafil,Sildenafil Citrate Impurity F (EP),Sildenafil Impurity F (EP)
Recommended Storage +5°C
Certifications/Compliance ISO 9001
IUPAC Name 5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
Molecular Formula C21 H28 N6 O4 S
Formula Weight 460.1893 g/mol
Analyte or Component Names Desmethylsildenafil (1-[(3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl]piperazine)
3

N-Desmethyl Sildenafil, TRC

CAS: 139755-82-1 Molecular Formula: C21 H28 N6 O4 S Molecular Weight (g/mol): 460.55 Synonym: 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-,Piperazine, 1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]- (9CI),1H-Pyrazolo[4,3-d]pyrimidine, piperazine deriv.,5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one,5-[2-Ethoxy-5-(piperazin-1-ylsulfonyl)phenyl]-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one,Desmethylsildenafil,N-Demethylsildenafil,N-Desmethylsildenafil,N-[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzene-1-sulfonyl]piperazine,UK 103320,1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperazine,Sildenafil Citrate Imp. F (EP) IUPAC Name: 5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one SMILES: CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)N4CCNCC4

CAS 139755-82-1
Molecular Weight (g/mol) 460.55
SMILES CCCc1nn(C)c2C(=O)NC(=Nc12)c3cc(ccc3OCC)S(=O)(=O)N4CCNCC4
Synonym 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-,Piperazine, 1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]- (9CI),1H-Pyrazolo[4,3-d]pyrimidine, piperazine deriv.,5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one,5-[2-Ethoxy-5-(piperazin-1-ylsulfonyl)phenyl]-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one,Desmethylsildenafil,N-Demethylsildenafil,N-Desmethylsildenafil,N-[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzene-1-sulfonyl]piperazine,UK 103320,1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]piperazine,Sildenafil Citrate Imp. F (EP)
IUPAC Name 5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
Molecular Formula C21 H28 N6 O4 S
4

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

LoGiCal's certified reference materials as neats, native solutions and stable isotope labelled solutions, with expert documentation and support. From forensic to clinical labs, choose LoGiCal for confidence, compliance, and analytical excellence.