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Sildenafil Impurity 8

Sildenafil Impurity 8

Product Description
CAT No.
ALN-S006037
CAS No.
139755-98-9
Mol. F.
C23H32N6O4S
Mol. Wt.
488.6
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RFQ
Chemical Name : 5-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-ethyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Smiles : CCCC1=NN(CC)C2=C1N=C(C(C=C([S](=O)(N3CCN(C)CC3)=O)C=C4)=C4OCC)NC2=O
Inchi : InChI=1S/C39H40FN3O4/c1-26(2)37-36(39(47)42-31-16-10-5-11-17-31)35(27-12-6-3-7-13-27)38(28-18-20-29(40)21-19-28)43(37)23-22-32(44)24-33(45)25-34(46)41-30-14-8-4-9-15-30/h3-21,26,32-33,44-45H,22-25H2,1-2H3,(H,41,46)(H,42,47)/t32-,33-/m1/s1

Quantification of active pharmaceutical ingredient and impurities in sildenafil citrate obtained from the Internet

Michael A Veronin , Mohammad T Nutan , Uday Krishna Reddy DodlanTher Adv Drug Saf. 2014 Oct;5(5):180-9

Validated Methods for Determination of Sildenafil Citrate in The Presence of its Potential Impurities

A.E. El-Gindy , E. Shokry M. Farouk , L. Abd El-Aziz – J Biomed Sci and Res., Vol 2 (4), 2010,262-278

Validated LC method for sildenafil citrate related substances and its potential oxidative degradation product

A.Nageswari, P.Surya Prakash Rao, B.Gowri Sankar Rao, B.Satyanarayana , M.Saravanan , V.Ranga Reddy , Mukkanti – ACAIJ, 10(10) 2011 683-690

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