Production upon order
Store in a tightly sealed container away from heat and direct light, and in a cool dry place.
Tretinoin is most commonly used as a form of acne treatment.
Yellow crystalline powder
The IR absorption spectrum should correspond with reference spectrum
Should exhibits maximum absorption at 352nm
Loss on drying
Not more than 0.5%
Not more than 0.1%
Not more than 0.002%
Organic Volatile Impurity
Ethyl acetate Not more than 5000 ppm
Ethanol Not more than 5000 ppm
98.0~102.0 % (calculated on the dried basis)