Sildenafil EP Impurity B

N° de SZ CAT:	SZ-S006003
Número CAS	1094598-75-0
Mol.F.	C22H30N6O5S
Peso Molecular	490.6
Status de Fatura	In Stock

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Nome Químico: 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one

Sinônimo: Sildenafil N-Oxide

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Sorrisos: O=C1C(N(C)N=C2CCC)=C2N=C(C3=CC(S(=O)(N4CC[N+](C)([O-])CC4)=O)=CC=C3OCC)N1

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 EP Impurity B is chemically 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one . It is also known as Sildenafil N-Oxide. Sildenafil EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Sildenafil EP Impurity B 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.

N° de SZ CAT:	: SZ-S006000
Número CAS	: 139755-83-2
Mol.F.	: C22H30N6O4S
Peso Molecular	: 474.6
Status de Fatura	: In Stock
Rel. CAS No	: 171599-83-0 (citrate salt)

N° de SZ CAT:	: SZ-S006033
Número CAS	: 288-32-4
Mol.F.	: C3H4N2
Peso Molecular	: 68.1
Status de Fatura	: In Stock
Rel. CAT No	: SZ-B079004 , SZ-C001003 , SZ-E011010 , SZ-Z005021 ,

N° de SZ CAT:	: SZ-S006036
Número CAS	: 171599-83-0
Mol.F.	: C22H30N6O4S : C6H8O7
Peso Molecular	: 474.6 : 192.1
Status de Fatura	: In Stock
Rel. CAS No	: 139755-83-2 (free base)

Sildenafil EP Impurity B

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N° de SZ CAT:	: SZ-S006002
Número CAS	: 1391053-95-4
Mol.F.	: C23H32N6O4S
Peso Molecular	: 488.6
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006003
Número CAS	: 1094598-75-0
Mol.F.	: C22H30N6O5S
Peso Molecular	: 490.6
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006004
Número CAS	: 139755-91-2
Mol.F.	: C20H26N6O4S
Peso Molecular	: 446.5
Status de Fatura	: Out of Stock, Custom Synthesis

N° de SZ CAT:	: SZ-S006005
Número CAS	: 1357931-55-5
Mol.F.	: C17H20N4O5S
Peso Molecular	: 392.4
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006006
Número CAS	: 42926-52-3
Mol.F.	: C9H9ClO2
Peso Molecular	: 184.6
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006007
Número CAS	: 139756-02-8
Mol.F.	: C8H14N4O
Peso Molecular	: 182.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006008
Número CAS	: 147676-78-6
Mol.F.	: C18H20N4O4
Peso Molecular	: 356.4
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006009
Número CAS	: 1058653-74-9
Mol.F.	: C19H21ClN4O3
Peso Molecular	: 388.9
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006010
Número CAS	: 501120-42-9
Mol.F.	: C17H19ClN4O4S
Peso Molecular	: 410.9
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006011
Número CAS	: 139756-22-2
Mol.F.	: C17H19ClN4O4S
Peso Molecular	: 410.9
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006012
Número CAS	: 139756-27-7
Mol.F.	: C15H15ClN4O4S
Peso Molecular	: 382.8
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006013
Número CAS	: 139756-31-3
Mol.F.	: C16H17ClN4O4S
Peso Molecular	: 396.9
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006014
Número CAS	: 466684-88-8
Mol.F.	: C20H28N6O4S
Peso Molecular	: 448.5
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006015
Número CAS	: 139756-03-9
Mol.F.	: C17H22N4O3
Peso Molecular	: 330.4
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006016
Número CAS	: 1346602-67-2
Mol.F.	: C38H46N10O8S2
Peso Molecular	: 835.0
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006017
Número CAS	: 1346600-82-5
Mol.F.	: C9H12N4
Peso Molecular	: 176.2
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006018
Número CAS	: 139756-21-1
Mol.F.	: C17H20N4O2
Peso Molecular	: 312.4
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006019
Número CAS	: 139755-82-1
Mol.F.	: C21H28N6O4S
Peso Molecular	: 460.6
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006020
Número CAS	: 479073-86-4
Mol.F.	: C21H28N6O3S2
Peso Molecular	: 476.6
Status de Fatura	: Custom Synthesis

N° de SZ CAT:	: SZ-S006021
Número CAS	: 501120-38-3
Mol.F.	: C17H22N4O3
Peso Molecular	: 330.4
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006022
Número CAS	: 1004455-71-3
Mol.F.	: C9H13N3O4
Peso Molecular	: 227.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006023
Número CAS	: 1467610-65-6
Mol.F.	: C18H22N4O2
Peso Molecular	: 326.4
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006024
Número CAS	: 253178-46-0
Mol.F.	: C22H30N6O4S
Peso Molecular	: 474.6
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006025
Número CAS	: 911715-34-9
Mol.F.	: C9H14N4O3
Peso Molecular	: 226.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006026
Número CAS	: 247583-78-4
Mol.F.	: C8H14N4O
Peso Molecular	: 182.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006027
Número CAS	: 268204-00-8
Mol.F.	: C9H16N4O
Peso Molecular	: 196.3
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006028
Número CAS	: 247583-72-8
Mol.F.	: C8H12N4O3
Peso Molecular	: 212.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006029
Número CAS	: 139756-00-6
Mol.F.	: C8H11N3O4
Peso Molecular	: 213.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006030
Número CAS	: 139756-01-7
Mol.F.	: C8H12N4O3
Peso Molecular	: 212.2
Status de Fatura	: In Stock

N° de SZ CAT:	: SZ-S006031
Número CAS	: 134-11-2
Mol.F.	: C9H10O3
Peso Molecular	: 166.2
Status de Fatura	: In Stock