120202-66-6 CAS NO.120202-66-6

testing items

specifications

results

appearance

white to off-white powder

white powder

solubility

freely soluble in methanol, every slightly soluble

in acetone, chloroform, water and practically insoluble in anther

complies

identification

ir: as stipulated

complies

hplc: as stipulated

complies

it responds to the test for sulfate

complies

specific rotation

+52.0°~+56°

+54.1°

loss on drying

≤0.5%

0.19%

residue on igtation

≤0.1

0.03%

related substances

related compound a≤0.2%

0.08%

related compound b≤0.3%

0.08%

any other individual impurity≤0.1%

0.05%

total impurities≤0.1%

0.25%

isomer

≤0.1%

0.20%

assay(on dry basis)

98.5~101.5%

99.9%

residual solvents

methanol≤3000ppm

15.4ppm

acetone≤5000ppm

undetected

acetonitrile≤410ppm

undetected

dichloromethane ≤600ppm

undetected

ethyl acetate≤5000ppm

127.6ppm