ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0

[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0

[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Structure
CAS No.
79750-46-2
Chemical Name:
[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0
Synonyms
Δ2-Cephalexin;Δ2-Cephalexin;Delta 2 Cephalexin;Cefalexin-EP-Imp-F;Cephalexin IMpurity F;Cefalexin EP Impurity F;Cephalexin EP Impurity F;Cephalexin Impurity F TFA salt;Cephalexin - Impurity F (EP/BP);Cefalexin monohydrate impurity F
CBNumber:
CB42622037
Molecular Formula:
C16H17N3O4S
Molecular Weight:
347.39
MOL File:
79750-46-2.mol
Modify Date:
2023/4/23 13:52:06

[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Properties

Melting point >166°C (dec.)
Boiling point 724.4±60.0 °C(Predicted)
Density 1.49±0.1 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under Inert Atmosphere
solubility Aqueous Acid (Slightly), DMSO (Slightly, Heated), Methanol (Slightly)
form Solid
pka 2.59±0.60(Predicted)
color White to Pale Yellow
Stability Hygroscopic

[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Chemical Properties,Uses,Production

Uses

Δ2-Cephalexin is an isomeric impurity of the semi-synthetic antibiotic Cephalexin (C256800).

[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Preparation Products And Raw materials

Raw materials

Preparation Products

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Cephalexin IMpurity F Cefalexin EP Impurity F (6R,7R)-7-[[(2R)-AMinophenylacetyl]aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Delta 2 Cephalexin Δ2-Cephalexin Cefalexin EP Impurity F Trifluoroacetate Cephalexin EP Impurity F/(2R,6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid Cefalexin-EP-Imp-F Cefalexin monohydrate impurity F (2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid Cephalexin Impurity F TFA salt Cefalexin Impurity 6(EP Impurity F) Cephalexin EP Impurity F 5-Thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid, 7-[[(2R)-aminophenylacetyl]amino]-3-methyl-8-oxo-, (6R,7R)- (9CI) Cefalexin Impurity 6(Cefalexin EP Impurity F) [6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0 Cefalexin EP Impurity F?(Cefalexin 3-Ene Isomer) (6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid Δ2-Cephalexin (6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (Cefalexin?Impurity) Cephalexin - Impurity F (EP/BP) Cefaclor Impurity 48/ ( TBKL-48) 79750-46-2 C16H17N3O4S2H2O Pharmaceuticals Sulfur & Selenium Compounds Amines Heterocycles Impurities Intermediates & Fine Chemicals