Ketotifen Fumarate
C19H19NOS·C4H4O4
425.50
10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-, (E)-2-butenedioate (1:1);
4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one fumarate (1:1);
4-(1-Methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one fumarate [34580-14-8]
10H-Benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-, (E)-2-butenedioate (1:1);
4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one fumarate (1:1);
4-(1-Methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one fumarate [34580-14-8]
DEFINITION
Ketotifen Fumarate contains NLT 98.0% and NMT 102.0% of ketotifen fumarate (C19H19NOS·C4H4O4), calculated on the dried basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Ketotifen Fumarate RSUSP Ketotifen Related Compound A RS
USP Ketotifen Related Compound G RS