cefaclor and its Impurities
Cefaclor is used to treat certain bacterial infections such as pneumonia and infections of the ear, lung, skin, throat, and urinary tract. Cefaclor, sold under the trade name Ceclor. It is also available from other manufacturers as a generic. Reference standards of Cefaclor API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(7R)-7-((S)-2-Amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
(7R)-7-((S)-2-Amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
Catalogue No.:PAI 03 036010
CAS :
NA
Molecular Formula : C15H14ClN3O4S
Molecular Weight : 367.80
(7R)-7-((S)-2-Amino-2-phenylacetamido)-3-chloro-2-hydroxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
(7R)-7-((S)-2-Amino-2-phenylacetamido)-3-chloro-2-hydroxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid
Catalogue No.:PAI 03 036020
CAS :
NA
Molecular Formula : C15H14ClN3O5S
Molecular Weight : 383.80
(6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-(4-aminobenzyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-(4-aminobenzyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PA 56 0881000
CAS :
NA
Molecular Formula : C22H22N4O4S
Molecular Weight : 438.5
2-Amino-N-((6R,7R)-3-chloro-2,8-dioxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-7-yl)-2-phenylacetamide
2-Amino-N-((6R,7R)-3-chloro-2,8-dioxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-7-yl)-2-phenylacetamide
Catalogue No.:PAI 03 036021
CAS :
NA
Molecular Formula : C14H12ClN3O3S
Molecular Weight : 337.78
4-Nitrobenzyl (6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Hydrochloride
4-Nitrobenzyl (6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Hydrochloride
Catalogue No.:PA 56 0881004
CAS :
53483-70-8
Molecular Formula : C14H13Cl2N3O5S
Molecular Weight : 406.23
(6R,7R)-7-(2-((tert-Butoxycarbonyl)amino)-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
(6R,7R)-7-(2-((tert-Butoxycarbonyl)amino)-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Catalogue No.:PAI 03 036022
CAS :
NA
Molecular Formula : C20H22ClN3O6S
Molecular Weight : 467.92
tert-Butyl (2-(((6R,7R)-3-chloro-2,8-dioxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-7-yl)amino)-2-oxo-1-phenylethyl)carbamate
tert-Butyl (2-(((6R,7R)-3-chloro-2,8-dioxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-7-yl)amino)-2-oxo-1-phenylethyl)carbamate
Catalogue No.:PAI 03 036023
CAS :
NA
Molecular Formula : C19H20ClN3O5S
Molecular Weight : 437.9
2-((R)-2-((tert-Butoxycarbonyl)amino)-2-phenylacetamido)-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic Acid
2-((R)-2-((tert-Butoxycarbonyl)amino)-2-phenylacetamido)-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic Acid
Catalogue No.:PAI 03 036024
CAS :
NA
Molecular Formula : C19H22ClN3O6S
Molecular Weight : 455.91
