Additional information
Appearance
White Powder
Category
Pharmaceutical Impurity Standards
CAS No.
139756-22-2
Catalogue No.
ACI-190313
Chemical Name
5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
IUPAC Name
3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride
Melting Point
183-185°C
Molecular Formula
C17H19ClN4O4S
Molecular Weight
410.88
Shipping Condition
Ambient
Storage Condition
2-8°C
Synonyms
Sildenafil Chlorosulfonyl Impurity
Therapeutic Category
Phosphodiesterase-5 inhibitor
