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Current Position： > Product > Drug Impurities > Cephalexin
Cephalexin Diketopiperazine
Catalog No: PI00023013     Product Name: Cephalexin Diketopiperazine
CAS No:N/A 59865-11-1||Chemical Formula:C16H17N3O4S ||Molecular Weight:347.38900 ||Exact Mass:347.09398 ||2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dih……
Cephalexin Diketone
Catalog No: PI00023015     Product Name: Cephalexin Diketone
CAS No:65870-51-||Chemical Formula:C11H11N3O2||Molecular Weight:217.22800||Exact Mass:217.08513||3-(aminomethylene)-6-phenylpiperazine-2,5-dione
Cephalexin Degradation Impurity A
Catalog No: PI00023016     Product Name: Cephalexin Degradation Impurity A
CAS No:N/A ||Chemical Formula:C11H10N2O3 ||Molecular Weight:218.21200 ||Exact Mass:218.06914 || 3-(hydroxymethylene)-6-phenylpiperazine-2,5-dione​
Cephalexin Diketopiperazine(2-position shift)
Catalog No: PI00023017     Product Name: Cephalexin Diketopiperazine(2-position shift)
CAS No: 65870-52-2||Chemical Formula:C16H17N3O4S||Molecular Weight:347.38900||Exact Mass:347.09398||2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5 -methyl-5,6-dihydro-2……
Cefalexin Ethyl Homolog 2 Impurity
Catalog No: PI00023018     Product Name: Cefalexin Ethyl Homolog 2 Impurity
CAS No:N/A||Chemical Formula:C21H27N7O2||Molecular Weight:361.41600||Exact Mass:361.10963||(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-ethyl-8-oxo-5-thia-1-azab……
L-Cephalexin
Catalog No: PI00023019     Product Name: L-Cephalexin
CAS No:N/A||Chemical Formula:C16H17N3O4S||Molecular Weight:347.38900||Exact Mass:347.09398||(6R,7R)-7-((S)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-az……
Cephalexin Open-Ring Impurity
Catalog No: PI00023020     Product Name: Cephalexin Open-Ring Impurity
CAS No:N/A||Chemical Formula:C16H19N3O5S||Molecular Weight:365.40400||Exact Mass:365.10454||2-(((R)-2-amino-2-phenylacetamido)(carboxy)methyl)-5-methyl-3,6-dihy……
Cephalexin Dimer A
Catalog No: PI00023021     Product Name: Cephalexin Dimer A
CAS No:N/A||Chemical Formula:C31H34N6O6S2||Molecular Weight:650.76900||Exact Mass:650.19812||(6R,7R)-7-((2R)-2-(2-(((R)-2-amino-2-phenylacetamido)methyl)-5-meth……
Cephalexin Dimer B
Catalog No: PI00023022     Product Name: Cephalexin Dimer B
CAS No:N/A||Chemical Formula:C32H34N6O8S2"||Molecular Weight:694.77800||Exact Mass:694.18795||(6R,7R)-7-((2R)-2-(2-(((R)-2-amino-2-phenylacetamido)(carboxy……
Cephalexin Dimer C
Catalog No: PI00023023     Product Name: Cephalexin Dimer C
CAS No:N/A||Chemical Formula:C32H34N6O8S2||Molecular Weight:694.77800||Exact Mass:694.18795||2-(((R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo……
Cephalexin Dimer D
Catalog No: PI00023024     Product Name: Cephalexin Dimer D
CAS No:N/A||Chemical Formula:C31H34N6O6S2||Molecular Weight:650.76900||Exact Mass:650.19812||2-(((R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo……
Cephalexin Dimer E
Catalog No: PI00023025     Product Name: Cephalexin Dimer E
CAS No:N/A||Chemical Formula:C32H36N6O9S2||Molecular Weight:712.79300||Exact Mass:712.19852||2-(((2R)-2-(2-((R)-((R)-2-amino-2-phenylacetamido)(carboxy)methyl)-……
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