

Product Description
![]() | What is Adapalene?Adapalene is a second-generation topical retinoid primarily used in the treatment of mild-moderate acne, and is also used off-label to treat keratosis pilaris as well as other skin conditions.[1] It is effective against acne conditions where comedones are predominant |
Application & Function of Adapalene
Adapalene is an agonist of RARβ, and RARγ receptor.
Adapalene inhibits cell proliferation and inducing apoptosis in colorectal cancer cells in vitro. Adapalene gel is an effective medication for treatment of acne.
Specification of Analysis
Analysis Item | Indexes |
Characteristics | White or almost white crystalline powder |
Identification | IR |
Solubility | Practically insoluble in water and ethanol, sparingly soluble in te'trahydrofuran. |
Appearance of solution | Solution must be clear and color NMT BY6 of EP |
Heavy metals | ≤20ppm |
Loss on drying | ≤0.5% |
Sulfated ash | ≤0.1% |
Related substances | Impurity A:≤0.3% ImpurityD: ≤0.2% Impurity C:≤0.15% Unknown impurity:≤0.1% Total impurity: ≤0.5% |
Residue solvents | Te'trahydrofuran:≤720ppm Acetic acid:≤5000ppm M'ethanol:≤3000ppm N,N-dimethyl formamide:≤880ppm |
Assay(on dried basis) | 98.0%-102.0% |
