157283-66-4

Appearance

Colorless to yellow oil

yellow oil

Solubility

 soluble in methanol,in ethanol(95%),practically insoluble in water

Conforms

Identification(by hplc) 

 RT of the sample should match with standard in the Related subtances

Conforms

Water

≤1.0%

0.41%

Related substances

15-epimer≤1.0%

5,6-trans isomer≤2.0%

single max impurity≤0.5%

Total impurities≤1..0%

N. D

0.06%

0.06%

0.06%

Residual solvents

Ethanol≤0.5%

n-Hexane≤0.029%

Tert-Butyl methyl ether≤0.5%

0.16%

Not detectable

Not detectable

Purity

            ≥99.0%

99.94%