Adapalene 98.5%min APIs Pharmaceutical made in chia CAS NO.106685-40-9

description

white to lightyellow crystals or crystalline powder，odorless ，tasteless，

this product is dissolved in tetrahydrofuran, very slightly soluble in ether or chloroform, almost insoluble in ethanol

identification

uv：there shall be amaximum absorption at 231nm +1nm、268+1nm、311+1nm wavelength

ir: ：should beincontrolofconsistent

related substance

single impurity≤0.5%

total impurities≤1.0%

methanol、tetrahydrofuran

methanol≤0.3%

etrahydrofuran≤0.072%

loss on drying

≤1.0%

residue on ignition

≤ 0.2%

heavy metals

≤ 20ppm

chloride

≤ 0.05%

sulfate

≤ 0.1 %

assay

calculated on the driedc28h28o3≥98.5%