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化学名称: 5-(2-Ethoxy-5-((piperazin-1-yl-2,2,3,3,5,5,6,6-d8)sulfonyl)phenyl)-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Shipping Temperature: Ambient
HSN Code: 38229010
Country of Origin: India
微笑: CCCC1=NN(C)C2=C1NC(C(C=C([S](=O)(N3C([2H])([2H])C([2H])([2H])NC([2H])([2H])C3([2H])[2H])=O)C=C4)=C4OCC)=NC2=O
Quantification of active pharmaceutical ingredient and impurities in sildenafil citrate obtained from the InternetMichael A Veronin , Mohammad T Nutan , Uday Krishna Reddy DodlaTher Adv Drug Saf. 2014 Oct;5(5):180-9 Validated Methods for Determination of Sildenafil Citrate in The Presence of its Potential ImpuritiesA.E. El-Gindy , E. Shokry M. Farouk , L. Abd El-AzizJ Biomed Sci and Res., Vol 2 (4), 2010,262-278 Validated LC method for sildenafil citrate related substances and its potential oxidative degradation productA.Nageswari, P.Surya Prakash Rao, B.Gowri Sankar Rao, B.Satyanarayana , M.Saravanan , V.Ranga Reddy , MukkantiACAIJ, 10(10) 2011 [683-690] Determinaton of sildenafil citrate and related substances in the commercial products and tablet dosage form using HPLCN Daraghmeh, M Al-Omari, A.ABadwan, A.M.YJaberJournal of Pharmaceutical and Biomedical Analysis Volume 25, Issues 3–4, June 2001, Pages 483-492
N-Desmethyl Sildenafil D8 is chemically 5-(2-Ethoxy-5-((piperazin-1-yl-2,2,3,3,5,5,6,6-d8)sulfonyl)phenyl)-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one. N-Desmethyl Sildenafil D8 is supplied with detailed characterization data compliant with regulatory guideline. N-Desmethyl Sildenafil D8 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 EP Impurity A
Sildenafil EP Impurity B
Sildenafil EP Impurity C
Sildenafil EP Impurity D
2-Ethoxybenzoyl Chloride Impurity
Sildenafil Amino Amide Impurity
Sildenafil Carboxylic Acid Impurity
Sildenafil Chloroacetyl Impurity
Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride
Sildenafil Chlorosulfone Impurity
Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride
Des(methylpiperazinyl) Chlorosulfone Impurity
Descarbon Sildenafil
Sildenafil Di-Amide Impurity
Sildenafil EP Impurity G
Isobutylpyrazolopyrimidine Impurity
Sildenafil Lactam Impurity
Sildenafil EP Impurity F
Desmethyl Thiosildenafil
Sildenafil Impurity 1
Sildenafil Impurity 2
Sildenafil Impurity 3
Iso Sildenafil
Sildenafil Impurity 4
Sildenafil Impurity 5
Sildenafil Impurity 6
Sildenafil Impurity 7
Sildenafil Acid Impurity
Sildenafil Nitroamide
2-Ethoxybenzoic Acid
Sildenafil
Sildenafil Methyl Sulfonate Ester Impurity
Amino Sildenafil
Sildenafil D5
Sildenafil EP Impurity E
Sildenafil D8
N-Desmethyl Sildenafil D8
Homo Sildenafil D5
Desmethyl Sildenafil D3
Desmethyl Thiosildenafil D8
Sildenafil Impurity B
Pyrazole N-Demethyl Sildenafil
Sildenafil Citrate
Sildenafil Citrate 13CD3
Sildenafil Impurity 8
Sildenafil Impurity 9
Sildenafil-d3
N-Desmethyl Sildenafil-N-β-D-Glucuronide
N-Nitroso Sildenafil
Sildenafil Impurity 10
N-Nitroso Pyrazole N-Demethyl Sildenafil
N-Nitroso N-Desmethyl Sildenafil
Sildenafil Dimer D8