Omeprazole 99%min EP Pharmaceutical API Acid secretion inhibitors made in china CAS NO.73590-58-6

characteristics

a white or almost white powder

identification

ir

ir conforms to the crs (2.2.24)

appearance of solution

solution s is clear (2.2.1)

absorbance

the absorbance is not greater than 0.10 at 440nm(2.2.25)

related substances (hplc)

(2.2.29)

imourity d

e

≤ 0.15%

≤ 0.15%

any other individual impurity

≤ 0.1%

total impurities

≤0.5%

residual solvents

1. toluene
2. benzene

≤ 300ppm

≤ 1ppm

loss on drying

≤ 0.2%(2.2.32)

sulphated ash

≤ 0.1%(2.4.14)

assay on dry basis

99.0-101.0(2.2.20)