Tolcapone
C14H11NO5
273.24
Methanone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-;
3,4-Dihydroxy-4′-methyl-5-nitrobenzophenone [134308-13-7]
Methanone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-;
3,4-Dihydroxy-4′-methyl-5-nitrobenzophenone [134308-13-7]
DEFINITION
Tolcapone contains NLT 98.5% and NMT 101.5% of tolcapone (C14H11NO5), calculated on the anhydrous and solvent-free basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Tolcapone RSUSP Tolcapone Related Compound A RS
USP Tolcapone Related Compound B RS