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Sildenafil Chlorosulfonyl Impurity

Sildenafil Chlorosulfonyl Impurity
Catalogue number SIL-006
Product Name Sildenafil Chlorosulfonyl Impurity
Sub Category Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API Sildenafil
CAS Number 139756-22-2
HS Code 29339900
Molecular formula C17H19ClN4O4S
Molecular Weight 410.88
Synonyms 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride; 5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one
Chemical Name 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride
Appearance Off-White Solid
Melting Point 180-182°C
Storage 2-8°C Refrigerator
Solubility Chloroform (Slightly), Methanol (Slightly, Heated)
Stability Moisture Sensitive
Shipping Condition Stable to be shipped at room temperature
Inventory Status Under Development
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Chemical Name: Sildenafil Chlorosulfonyl Impurity

Synonym: 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride; 5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one

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