Omeprazole CAS: 73590-58-6

Omeprazole
Another Name:Losec
CAS: 73590-58-6
Molecular Weight:345.42
Molecular Formula:C17H19N3O3S
Appearance: white or off-white powder
Content: 98.0%-102.0% (USP) 99.0%-101.0% (BP/EP);
Loss on drying: ≤ 0.2 (BP/EP)% ≤ 0.5% (USP);
The product of the peptic ulcer has good curative effect, with high efficiency and low toxicity, treatment
High recovery rate, short cure time, good tolerance, the patient easy to accept etc..

Items of analysis Specification Results
Characters:A white or off-white crystalline powder; odorless; light discoloration
Identification:With a maximum absorption at 276nm wavelength,With a minimum absorption at 256nm
wavelength
IR: should be consistent with the reference spectra
Related impurities
A single impurity ≤0.3% 
Total ≤1.0%
Solvent Residue
Hexane ≤ 0.024%  
Methanol ≤0.096%
Acetone≤ 0.15% 
Dichloromethane ≤0.06%
Loss on drying ≤ 0.5% 
Residue on ignition ≤ 0.1% 
Heavy metal ≤ 20ppm