Brincidofovir is an orally bioavailable lipid-conjugated prodrug of cidofovir and an antiviral active pharmaceutical ingredient. It is also known as CMX001, HDP-cidofovir, and hexadecyloxypropyl-cidofovir. Its CAS number is 444805-28-1, with molecular formula C₂₇H₅₂N₃O₇P and molecular weight 561.69 g/mol.
Brincidofovir is a nucleotide analogue antiviral that is converted intracellularly to cidofovir and subsequently to the active metabolite cidofovir diphosphate. The FDA-approved product TEMBEXA is indicated for treatment of human smallpox disease.
| Parameter | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification | IR & HPLC |
| Assay (HPLC) | ≥ 98.0% |
| Solubility | Practically insoluble in water; soluble in DMSO with warming |