Catalogue Number: | K-0633 |
Compound Name: | N-Nitroso-N-Desmethyl Ketotifen EP Impurity B |
Synonyms: | 10-methoxy-4-(1-nitrosopiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol |
CAS#: | |
Alternate CAS#: | |
Molecular Formula: | C19H20N2O3S |
Molecular Weight: | 356.44 |
Ketotifen EP Impurity A (Ketotifen USP Related Compound A (Free Form))
CAS No. 4673-38-5
C19H19NS
M.W. 293.43
Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone)
C19H19NOS. 0.5 C4H4O4
M.W. 309.43 0.5*116.07