Sildenafil Citrate - Impurity A

EP/BP

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Catalogue number:	PA 19 09010
Chemical name:	Isobutyl Sildenafil
CAS Number:	1391053-95-4
Category:	sulphur and selenium compounds,Fine Chemicals,aromatics,pharmaceutical standards,impurities,heterocycles,intermediates
Synonyms:	5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one; Sildenafil Related Compound A (IP); 5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-6,7-dihydro-1H -pyrazolo[4,3-d]pyrimidin-7-one; Sildenafil Related Compound A (USP);
Molecular form:	C₂₃H₃₂N₆O₄S
Appearance:	White to Off-White Solid
Mol. Weight:	488.60
Storage:	2-8°C Refrigerator, Under inert atmosphere
Shipping Conditions:	Ambient
Applications:	NA