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Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog

CAS No. 1391053-95-4
Catalogue No : VL136003
Category : Sildenafil
CAS No. : 1391053-95-4

IUPAC 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

Molecular Weight : 488.6 g/mol
Molecular Formula : C23H32N6O4S

 

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PRODUCT DESCRIPTION

Welcome to Veeprho Laboratories, manufacturer and supplier of Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog (CAS No. 1391053-95-4). We also offer other Sildenafil impurities like Sildenafil Impurity D, Sildenafil Impurity C and Sildenafil Citrate Related Compound 04. We are manufacturer and supplier of all Sildenafil Impurities which are acceptable to all regulatory agencies in the world like US-FDA, MHRA, MCC, WHO, Brazil, Japan. These Sildenafil impurities are provided with certificate of analysis (COA) along with the characterization data like NMR MASS IR and HPLC Purity.


Veeprho Laboratories is a manufacturer and supplier of Sildenafil APIs, Sildenafil Intermediates and isolation of unknown impurity with structure elucidation with help of C NMR, H NMR, MASS, CHN, HPLC data. We are also supplier of all Sildenafil USP, EP, BP pharmacopoeia impurity. On request we also manufacture and supply all impurities of Sildenafil as per pharmacopoeia RRT.


We are manufacturer and supplier of all Sildenafil impurities like Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog (CAS No. 1391053-95-4), Sildenafil Impurity D, Sildenafil Impurity C, Sildenafil Citrate Related Compound 04 etc. which are to be isolated by preparative HPLC and Lyophillized. These Sildenafil impurities are also used for ANDA filling/DMF filling and genotoxic study.