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N-Nitroso Sildenafil Impurity 2

N-Nitroso Sildenafil Impurity 2

Product Description
CAT No.
ALN-S006043
CAS No.
NA
Mol. F.
C21H27N7O5S
Mol. Wt.
489.6
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RFQ
Chemical Name : 5-(2-Ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Smiles : O=S(N1CCN(N=O)CC1)(C2=CC=C(OCC)C(C3=NC(C(CCC)=NN4C)=C4C(N3)=O)=C2)=O

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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