Additional information
Appearance
White Powder
Category
Pharmaceutical Impurity Standards
CAS No.
139756-21-1
Catalogue No.
ACI-190326
Chemical Name
5-(2-Ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one
IUPAC Name
6,7-Dihydro-5-(2-ethoxyphenyl)-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidine
Melting Point
144.6-145.8°C
Molecular Formula
C17H20N4O2
Molecular Weight
312.37
Shipping Condition
Ambient
Storage Condition
2-8°C
Synonyms
Sildenafil Lactam Impurity
Therapeutic Category
Phosphodiesterase-5 inhibitor
