ChemicalBook > CAS DataBase List > 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one

5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one

Product Name
5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one
CAS No.
1391053-95-4
Chemical Name
5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one
Synonyms
Isobutyl Sildenafil;Sildenafil A;Isobutyl Sildenafi;Sildenafil EP IMpurity A;Isomer of Isobutyl Sildenafil;Sildenafil Related CoMpound A;Sildenafil Citrate Impurity A;Sildenafil impurity A (Y0001579);Sildenafil Citrate EP Impurity A;Sildenafil USP Related Compound A
CBNumber
CB12622733
Molecular Formula
C23H32N6O4S
Formula Weight
488.6
MOL File
1391053-95-4.mol
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5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one Property

solubility 
Chloroform (Slightly), Methanol (Slightly)
InChIKey
LOAKEZDPQAIDEB-UHFFFAOYSA-N
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Safety

HS Code 
2933599550
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0001579
Product name
Sildenafil impurity A
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0001579
Price
$153
Updated
2024/03/01
Sigma-Aldrich
Product number
1612685
Product name
Sildenafil Related Compound A
Packaging
10mg
Price
$1300
Updated
2024/03/01
TRC
Product number
I780650
Product name
IsobutylSildenafil
Packaging
5mg
Price
$180
Updated
2021/12/16
TRC
Product number
I780650
Product name
IsobutylSildenafil
Packaging
25mg
Price
$760
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
API0026920
Product name
SILDENAFIL IMPURITY A
Purity
95.00%
Packaging
5MG
Price
$503.38
Updated
2021/12/16
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5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one Chemical Properties,Usage,Production

Uses

Isobutyl Sildenafil is an impurity of Sildenafil citrate (S435000), as analogue.

5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one Preparation Products And Raw materials

Raw materials

Preparation Products

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5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one Suppliers

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1391053-95-4, 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-oneRelated Search:

Sildenafil EP IMpurity D 4-Amino-2-methyl-5-propyl-2H-pyrazole-3-carboxylic acid 4-Amino-1-methyl-3-propyl-5-pyrazolecarboxamide Propoxyphenyl Sildenafil DESMETHYL SILDENAFIL Homo Sildenafil Sildenafil impurity Sildenafil DiMer IMpurity SILDENAFIL N-OXIDE 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl- 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide 1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide Desethyl Sildenafil 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID Thiosildenafil 1H-PYRAZOLE-5-CARBOXAMIDE, 4-[[2-ETHOXY-5-[(4-METHYL-1-PIPERAZINYL)SULFONYL]BENZOYL]AMINO]-1-METHYL-3-PROPYL- 2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]BENZOIC ACID 4-nitro-5-propyl-1H-pyrazole-3-carboxylic acid

  • Sildenafil A
  • Sildenafil Impurity 1/Sildenafil EP Impurity A/Isobutyl Sildenafil/5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one
  • Isomer of Isobutyl Sildenafil
  • 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one
  • Isobutyl Sildenafil
  • Sildenafil EP IMpurity A
  • Sildenafil Related CoMpound A
  • 5-[2-Ethoxy-5[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-6,7-dihydro-1H-pyrazol[4,3-d]pyrimidin-7-one
  • Isobutyl Sildenafi
  • 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one
  • Sildenafil Impurity 1(Sildenafil EP Impurity A)
  • (5-(2-ETHOXY-5(4-METHYL PIPERAZINE-1-YL SULFONYL)PHENYL)-1-METHYL-3-PROPYL-6 7- DIHYDRO-1H-PYRAZOLO-4 3-D)PYRIMIDIN-7-ON
  • (5-(2-ETHOXY-5(4-METHYL PIPERAZINE-1-YL SULFONYL)PHENYL)-1-METHYL-3-PROPYL-6 7- DIHYDRO-1H-PYRAZOLO-4 3-D)PYRIMIDIN-7-ONE
  • Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil)
  • 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-
  • 5-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-p
  • Sildenafil impurity A (Y0001579)
  • Sildenafil Impurity AQ: What is Sildenafil Impurity A Q: What is the CAS Number of Sildenafil Impurity A Q: What is the storage condition of Sildenafil Impurity A Q: What are the applications of Sildenafil Impurity A
  • Sildenafil Related Compound A (F0K413)
  • 5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-3-isobutyl-1-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
  • Sildenafil Citrate EP Impurity A
  • Sildenafil USP Related Compound A
  • Sildenafil Citrate Impurity A
  • 1391053-95-4
  • Aromatics
  • Heterocycles
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds