Tretinoin

【Product Name】:Tretinoin

【CAS NO.】:302-79-4

【Molecular Weight】:300.4

【Formula】:C20H28O2

【Quality Standards】: EP USP

【Package】:100g /1Kg per bag


Tretinoin

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Note: Products protected by valid patents are not offered for sale in countries where the sale of such products constitutes patent infringement and its liability is at buyer’s risk.

【Appearance】

yellow or light orange, crystalline powder.

【Solubility】

practically insoluble in water, sparingly soluble in methylene chloride, slightly soluble in ethanol (96per cent).  

【Identification】

IR;TLC

【Loss on drying】

≤0.5%  

【Sulfated ash】

≤0.1%  

【Related substances】

Impurity A≤0.5%; 

Unspecified impurities≤0.2%; 

Total impurities≤1.0%

【Assay (dried substance)】

98.0%~102.0%

【Usage】

Acne vulgaris, especially blackhead acne, senile, solar or drug-induced skin atrophy, ichthyosis and various keratosis and hyperpigmentation skin diseases, psoriasis.

【Storage】

Under an inert gas, in an airtight container, protected from light.








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