Omeprazole

SKU : AAS001
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CAS number

73590-58-6119141-89-8

molecular formula

C17H19N3O3S

standard

USP32

Certificate

GMP

Package

25kg/udrm
ITEMS LIMIT
Characters A white or almost white powder
Identification  
A By TLC  
B IR Conforms to standard  
Test  
Completeness of solution Conforms to standard
Color of solution The absorbance is not greater than 0.10 at 440nm
Loss on drying ≤0.5%
Residue on ignition ≤0.1%
Heavy metals ≤0.002%
Chromatographic purity(HPLC)  
Single impurity ≤0.3%
Total impurity ≤0.5%
Residual solvent  
a)Acetone ≤ 1500ppm
b)Methylene chloride ≤100ppm
c)Methanol ≤ 1000ppm
d)Toluene ≤ 890ppm
e)Benzene ≤ 1ppm
Assay(HPLC) 98.0%-102.0%

For peptic ulcer, reflux esophagitis, etc.

 

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