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Cephalexin

Cephalexin / CAS : 15686-71-2

Appearance White crystalline powder UN -
HS 29419052 DG Class -
Synonyms Cefalexin; Cephalexin Hydrate; (6R-(6Alpha,7Beta(R*)))-Ino)-3-Methyl-8-Oxo; 5-Thia-1-Azabicyclo(4.2.0)Oct-2-Ene-2-Carboxylicacid,7-((Aminophenylacetyl)Am; 5-Thia-1-Azabicyclo(4.2.0)Oct-2-Ene-2-Carboxylicacid,7-(2-Amino-2-Phenylaceta; 7-(D-2-Amino-2-Phenylacetamido)-3-Methyl-Delta(Sup3)-Cephem-4-Carboxylica; 7-(D-2-Amino-2-Phenylacetamido)-3-Methyl-Delta3-Cephem-4-Carboxylicacid; 7-(D-Alpha-Aminophenylacetamido)Desacetoxycephalosporanicacid; Cefa-Iskia
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Properties

Summary

Formula
C16H17N3O4S
Molecular Mass
347.38900
Exact Mass
347.09400
PSA
138.03000
Logp
1.47400
IUPAC
(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
SMILES
CC1=C(N2C(C(C2=O)NC(=O)C(C3=CC=CC=C3)N)SC1)C(=O)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Antibiotics

Chemical and Physical Properties

Melting Point
196-198 °C
Density
1.5 g/cm3
Boiling Point
727.4 ºC
Flash Point
393.7 ºC
Appearance
White crystalline powder

Export information

HS Code
29419052
Export Rebate
13%
Risk Code
R42/43
Safety Label
Xn

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