Sildenafil Impurity 3

SZ CAT No:	SZ-S006023
CAS No	1467610-65-6
Mol.F.	C18H22N4O2
Mol.Wt.	326.4
Inv. Status	In Stock

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Chemical Name: 5-(2-Ethoxyphenyl)-3-isobutyl-1-methyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: CC(C)CC1=NN(C)C2=C1NC(C(C=CC=C3)=C3OCC)=NC2=O

Quantification of active pharmaceutical ingredient and impurities in sildenafil citrate obtained from the Internet
Michael A Veronin , Mohammad T Nutan , Uday Krishna Reddy Dodla
Ther 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]

Determinaton of sildenafil citrate and related substances in the commercial products and tablet dosage form using HPLC
N Daraghmeh, M Al-Omari, A.ABadwan, A.M.YJaber
Journal of Pharmaceutical and Biomedical Analysis Volume 25, Issues 3–4, June 2001, Pages 483-492

Sildenafil Impurity 3 is chemically 5-(2-Ethoxyphenyl)-3-isobutyl-1-methyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one. Sildenafil Impurity 3 is supplied with detailed characterization data compliant with regulatory guideline. Sildenafil Impurity 3 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Sildenafil .

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

Sildenafil Impurity 3

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Mol.F.	: C23H32N6O4S
Mol.Wt.	: 488.6
Inv. Status	: In Stock

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Mol.F.	: C22H30N6O5S
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Mol.F.	: C20H26N6O4S
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Mol.F.	: C18H20N4O4
Mol.Wt.	: 356.4
Inv. Status	: Custom Synthesis

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Mol.F.	: C19H21ClN4O3
Mol.Wt.	: 388.9
Inv. Status	: Custom Synthesis

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Mol.F.	: C17H19ClN4O4S
Mol.Wt.	: 410.9
Inv. Status	: Custom Synthesis

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Mol.F.	: C17H19ClN4O4S
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Inv. Status	: In Stock

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Inv. Status	: Custom Synthesis

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Mol.Wt.	: 396.9
Inv. Status	: Custom Synthesis

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Inv. Status	: Custom Synthesis

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Mol.F.	: C9H12N4
Mol.Wt.	: 176.2
Inv. Status	: Custom Synthesis

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Mol.F.	: C17H20N4O2
Mol.Wt.	: 312.4
Inv. Status	: In Stock

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Mol.Wt.	: 460.6
Inv. Status	: In Stock

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Mol.F.	: C21H28N6O3S2
Mol.Wt.	: 476.6
Inv. Status	: Custom Synthesis

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Mol.F.	: C17H22N4O3
Mol.Wt.	: 330.4
Inv. Status	: In Stock

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Mol.Wt.	: 227.2
Inv. Status	: In Stock

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Mol.F.	: C18H22N4O2
Mol.Wt.	: 326.4
Inv. Status	: In Stock

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Inv. Status	: In Stock

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Mol.Wt.	: 226.2
Inv. Status	: In Stock

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Mol.Wt.	: 182.2
Inv. Status	: In Stock

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Inv. Status	: In Stock

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Mol.Wt.	: 212.2
Inv. Status	: In Stock

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Mol.F.	: C8H11N3O4
Mol.Wt.	: 213.2
Inv. Status	: In Stock

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Mol.F.	: C8H12N4O3
Mol.Wt.	: 212.2
Inv. Status	: In Stock

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Mol.Wt.	: 166.2
Inv. Status	: In Stock