Cefoxitin EP Impurity B

SZ CAT No:	SZ-C125003
CAS No	NA
Mol.F.	C16H17N3O7S2
Mol.Wt.	427.4
Inv. Status	In Stock
Rel. CAS No	33564-30-6 (Na salt)

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Chemical Name: (2RS,6R,7S)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-[[(thiophen-2-yl) acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (as per EP)

Synonym: Delta-3-cefoxitin (EP)

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: [H][C@]1(C(O)=O)C(COC(N)=O)=CS[C@@]2([H])N1C([C@@]2(OC)NC(CC3=CC=CS3)=O)=O

Compatible stability of injected cefoxitin sodium and dexamethasone
By Xie, Yan-qing
From Hainan Yixueyuan Xuebao (2015), 21(10), 1316-1317, 1321

Study of a major impurity in cefoxitin sodium
By Li, Zhe-yu; Wang, Yu-chi; Zhang, Jing-xia; Zhang, Chun-ran; Xu, Ming-qin; Li, Qiang; Deng, Jun-feng; Tang, Ke-hui
From Zhongguo Kangshengsu Zazhi (2015), 40(12), 925-929

Compatible stability of cefoxitin sodium for injection and sodium potassium magnesium calcium and glucose injection
By Yang, Jing; Liu, Zi-ling; Yang, Jian; Li, Jun-yi; Zhang, Xin-yu; Song, He-di; Zhang, Ting-hui
From Zhongguo Yaofang (2014), 25(34), 3217-3218

Cefoxitin EP Impurity B is chemically (2RS,6R,7S)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-[[(thiophen-2-yl) acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (as per EP). It is also known as Delta-3-cefoxitin (EP). Cefoxitin EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Cefoxitin 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 Cefoxitin.

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.

SZ CAT No:	: SZ-C125004
CAS No	: 10590-10-0
Mol.F.	: C14H12N2O4S2
Mol.Wt.	: 336.4
Inv. Status	: In Stock
Rel. CAT No	: SZ-C087005 ,

Cefoxitin EP Impurity B

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SZ CAT No:	: SZ-C125009
CAS No	: NA
Mol.F.	: C17H18N4O9S2
Mol.Wt.	: 486.5
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125001
CAS No	: 35607-66-0
Mol.F.	: C16H17N3O7S2
Mol.Wt.	: 427.4
Inv. Status	: In Stock, 3-4 days for Dispatch
Rel. CAS No	: 33564-30-6 (Na salt)

SZ CAT No:	: SZ-C125012
CAS No	: NA
Mol.F.	: C15H17N3O5S2
Mol.Wt.	: 383.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125011
CAS No	: NA
Mol.F.	: C15H16N2O6S2
Mol.Wt.	: 384.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125015
CAS No	: NA
Mol.F.	: C32H32N6O14S4
Mol.Wt.	: 852.9
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125002
CAS No	: 1158963-31-5
Mol.F.	: C15H15N2O6S2 : C6H14N
Mol.Wt.	: 383.4 : 100.2
Inv. Status	: In Stock
Rel. CAS No	: 54333-94-7 (free base) ; 37051-16-4 (K salt) ; 94089-00-6 (Na salt)

SZ CAT No:	: SZ-C125003
CAS No	: NA
Mol.F.	: C16H17N3O7S2
Mol.Wt.	: 427.4
Inv. Status	: In Stock
Rel. CAS No	: 33564-30-6 (Na salt)

SZ CAT No:	: SZ-C125005
CAS No	: 1422023-33-3
Mol.F.	: C15H14N2O5S2
Mol.Wt.	: 366.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-C125006
CAS No	: 2395025-32-6
Mol.F.	: C17H19N3O8S2
Mol.Wt.	: 457.5
Inv. Status	: In Stock

SZ CAT No:	: SZ-C125007
CAS No	: 2395025-37-1
Mol.F.	: C17H19N3O8S2
Mol.Wt.	: 457.5
Inv. Status	: In Stock

SZ CAT No:	: SZ-C125008
CAS No	: NA
Mol.F.	: C31H31N5O13S4
Mol.Wt.	: 809.9
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125016
CAS No	: 33564-30-6
Mol.F.	: C16H16N3O7S2 : Na
Mol.Wt.	: 426.5 : 23.0
Inv. Status	: Custom Synthesis
Rel. CAS No	: 35607-66-0 (free base)

SZ CAT No:	: SZ-C125014
CAS No	: 40514-94-1
Mol.F.	: C15H16N2O5S2
Mol.Wt.	: 368.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C125010
CAS No	: 37051-05-1
Mol.F.	: C15H15N3O6S2
Mol.Wt.	: 397.4
Inv. Status	: Custom Synthesis
Rel. CAS No	: 51601-76-4 (Na salt)

SZ CAT No:	: SZ-C125013
CAS No	: 35565-06-1
Mol.F.	: C17H18N2O7S2
Mol.Wt.	: 426.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 35565-07-2 (Na salt) ; 53982-54-0 (K salt)