Methoxsalen Usp. CAS No: 298-81-7

Methoxsalen is a furocoumarin used to treat psoriasis and vitiligo.

Methoxsalen selectively inhibits the synthesis of deoxyribonucleic acid (DNA). The guanine and cytosine content correlates with the degree of Methoxsalen-induced cross-linking. At high concentrations of the drug, cellular RNA and protein synthesis are also suppressed.