Quick Details: CAS No: 302-79-4 Molecular Formula: C20H28O2 Formula Weight: 300.44 Assay: 99.9% Appearance: Yellow-Orange Powder Tretinoin Powder Profile: Tretinoin, also known as all-trans retinoic acid (ATRA), is medication used for the treatment of acne and acute promyelocytic leukemia. For acne it is applied to the skin as a cream or ointment. For leukemia it is taken by mouth for up to three months. Tretinoin Powder Usage: *Skin use Tretinoin is most commonly used to treat acne. It is also used off-label to treat and reduce the appearance of stretch marks by increasing collagen production in the dermis. *Leukemia Tretinoin is used to induce remission in people with acute promyelocytic leukemia who have a mutation (the t(15;17) translocation 160 and/or the presence of the PML/RARα gene) and who don’t respond to anthracyclines or can’t take that class of drug. It is not used for maintenance therapy.