API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Dorzolamide Hydrochloride

DORZOLAMIDE Related Compound A

((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide (R-R ISOMER) Dorzolamide Hydrochloride_DORZOLAMIDE Related Compound A
Dorzolamide Hydrochloride

DORZOLAMIDE Related Compound B

((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride) Dorzolamide Hydrochloride_DORZOLAMIDE Related Compound B
Dorzolamide Hydrochloride

DORZOLAMIDE Acetyl impurity

((4S,6S)-4-(acetylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide-7,7-dioxide Dorzolamide Hydrochloride_DORZOLAMIDE Acetyl impurity
DORZOLAMIDE IMPURITY-B

DORZOLAMIDE IMPURITY-B

(4RS,6SR)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2, 3-b]thiopyran-2-sulfonamide 7,7-dioxide HCl DORZOLAMIDE IMPURITY-B
DORZOLAMIDE IMPURITY-C

DORZOLAMIDE IMPURITY-C

(2-(((4S,6S)-6-methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)amino)ethyl)boronic acid DORZOLAMIDE IMPURITY-C