Synthetic Fiber Ropinirole Impurities

Ropinirole Impurities

1) Impurity Name: Ethyl Ropinirole
Chemical Name: {(4-[2-(dipropylnitroryl)ethyl]-1,ethyl-1,3dihydro-2H-indol-2-one}

2) Impurity Name: Ropinirole N-Oxide
Chemical Name: {4-[2-(dipropylnitroryl)ethyl]-1,3-dihydrox-2H-indol-2-one}
CAS NO.: 1076199-41-1

3) Impurity Name: Ropinirole Propylidene Impurity (USP)
Chemical Name: {(Z)-4-[2-(dipropylamino_ethyl]-3-propylideneindolin-2-one}
CAS NO.: 221264-43-3 (Z/E) ; 145570-92-9 (Z)

4) Impurity Name : Monopropyl Ropinirole
Chemical Name: 4-[2-(Propylamino)ethyl]indolin-2-one

5) Impurity Name: Cyclopentanylindolinone
Chemical Name: 1,2a,3,4-tetrahydro-2H-cylopenta(cd)indol-2-one}

6) Impurity Name: Hydroxy Ropinirole
Chemical Name: {4-[2-(dipropylamino)ethyl]-1-hydroxy-1,3dihydro-2H-indol-2-one}