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Cephalexin monohydrate

Cefalexin, Cefalexin Monohydrate ,7-(D-α-amino-phenyl acetamido)-3-methyl-3-cepheme-4-carboxylic acid

Purity / Analysis Method 95.0% to 103.0% (HPLC)(OAB)
Molecular Formula / Molecular Weight C16H17N3O4S·H2O = 365.41
Physical State (20 deg.C) Solid
CAS RN 15686-71-2
Appearance Off White Powder
Purity (HPLC)(OAB) 98.76%
Specific Optical Rotation [a]20/D +149 to +158° (C=0.5, H2O)(calcd.on anh.substance)
pH (0.5% aq. solution) 4.0 – 5.5
Water (KF) 4.0 – 8.0%
Solubility Slightly Soluble in Water, Practically Insoluble in Ethanol and in Chloroform

 

unit

5 g, 10 g, 25 g