Cefalexin EP Impurity B

SZ CAT No:	SZ-C018003
CAS No	22252-43-3
Mol.F.	C8H10N2O3S
Mol.Wt.	214.3
Inv. Status	In Stock
Rel. CAS No	111696-41-4 (HCl salt) ; 56871-82-0 (Na salt)

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Chemical Name: (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP)

Synonym: 7-Aminodesacetoxycephalosporanic acid ; 7-ADCA ; Cefadroxil USP Related Compound B

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: N[C@]1([H])C(N(C(C(O)=O)=C(C)CS2)[C@@]12[H])=O

Determination of ultra-fined cefalexin by HPLC
By Feng, Xuyun; Kang, Xuliang; Wang, Jiexin; Shao, Lei; Chen, Jianfeng
From Zhongguo Yaoxue Zazhi (Beijing, China) (2008), 43(23), 1833-1834

Application of thermogravimetry to the study of thermal decomposition kinetics of cefalexin and its stability
By Zhang, Jian; Chen, Dong-Hua; Yuan, Yu-Hong; Li, Zhao
From Zhongguo Yaoke Daxue Xuebao (2000), 31(2), 94-98

Cefalexin EP Impurity B is chemically (6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP). It is also known as 7-Aminodesacetoxycephalosporanic acid ; 7-ADCA ; Cefadroxil USP Related Compound B. Cefalexin EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Cefalexin 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 Cefalexin.

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-C018002
CAS No	: 875-74-1
Mol.F.	: C8H9NO2
Mol.Wt.	: 151.2
Inv. Status	: Out of Stock
Rel. CAS No	: 25705-52-6 (HCl salt) ; 56337-83-8 (Na salt) ; 37661-32-8 (K salt) ; 91224-38-3 (Sulfate salt)
Rel. CAT No	: SZ-A026012 , SZ-C067002 ,

SZ CAT No:	: SZ-C018005
CAS No	: 34876-35-2
Mol.F.	: C5H6O2S
Mol.Wt.	: 130.2
Inv. Status	: In Stock
Rel. CAT No	: SZ-C061008 , SZ-C184005 ,

Cefalexin EP Impurity B

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SZ CAT No:	: SZ-C018013
CAS No	: 15686-71-2
Mol.F.	: C16H17N3O4S
Mol.Wt.	: 347.4
Inv. Status	: In Stock, 3-4 days for Dispatch
Rel. CAS No	: 23325-78-2 (hydrate)

SZ CAT No:	: SZ-C018009
CAS No	: 59865-11-1
Mol.F.	: C16H17N3O4S
Mol.Wt.	: 347.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018023
CAS No	: 1323247-65-9
Mol.F.	: C16H19N3O5S
Mol.Wt.	: 365.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018021
CAS No	: 62673-90-9
Mol.F.	: C16H16N3O4S : Na
Mol.Wt.	: 346.4 : 23.0
Inv. Status	: Custom Synthesis
Rel. CAS No	: 65870-52-2 (free base)

SZ CAT No:	: SZ-C018003
CAS No	: 22252-43-3
Mol.F.	: C8H10N2O3S
Mol.Wt.	: 214.3
Inv. Status	: In Stock
Rel. CAS No	: 111696-41-4 (HCl salt) ; 56871-82-0 (Na salt)
Rel. CAT No	: SZ-C061003 , SZ-C184002 ,

SZ CAT No:	: SZ-C018004
CAS No	: 72528-40-6
Mol.F.	: C24H24N4O5S
Mol.Wt.	: 480.5
Inv. Status	: In Stock

SZ CAT No:	: SZ-C018006
CAS No	: 146794-70-9
Mol.F.	: C13H18N2O4S
Mol.Wt.	: 298.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018007
CAS No	: 79750-46-2
Mol.F.	: C16H17N3O4S
Mol.Wt.	: 347.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-C018008
CAS No	: NA
Mol.F.	: C16H19N3O5S
Mol.Wt.	: 365.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018012
CAS No	: NA
Mol.F.	: C7H12N2OS
Mol.Wt.	: 172.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018001
CAS No	: 23325-78-2
Mol.F.	: C16H17N3O4S : H2O
Mol.Wt.	: 347.4 : 18.0
Inv. Status	: In Stock
Rel. CAS No	: 15686-71-2 (free base)

SZ CAT No:	: SZ-C018022
CAS No	: NA
Mol.F.	: C16H19N3O5S
Mol.Wt.	: 365.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C018020
CAS No	: 52210-38-5
Mol.F.	: C16H17N3O5S
Mol.Wt.	: 363.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-C018011
CAS No	: 74708-55-7
Mol.F.	: C16H17N3O5S
Mol.Wt.	: 363.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-C018D01
CAS No	: NA
Mol.F.	: C16H12D5N3O4S : H2O
Mol.Wt.	: 352.4 : 18.0
Inv. Status	: Custom Synthesis