miscellaneous and its Impurities
Miscellaneous Chemicals typically refers to a broad and diverse category of chemical substances that don't neatly fit into more specific classifications like commodity chemicals, specialty chemicals, or fine chemicals. Reference standards of Miscellaneous API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


3,4-Bis-(methanethiosulfonylmethyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxy Radical
3,4-Bis-(methanethiosulfonylmethyl)-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-1-yloxy Radical
Catalogue No.:PA 27 0018994
CAS :
229621-21-0
Molecular Formula : C12H22NO5S4
Molecular Weight : 388.55


1-acetyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic (ethyl carbonic) anhydride
1-acetyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic (ethyl carbonic) anhydride
Catalogue No.:PA 27 0019019
CAS :
1076200-09-3
Molecular Formula : C14H21NO5
Molecular Weight : 283.32


6-Chloro-1-cyclopropyl-7-(4-ethyl-1-piperazinyl)-1,4-dihydro-4-oxo-3-Quinolinecarboxylic acid
6-Chloro-1-cyclopropyl-7-(4-ethyl-1-piperazinyl)-1,4-dihydro-4-oxo-3-Quinolinecarboxylic acid
Catalogue No.:PA 27 0019080
CAS :
1369495-59-9
Molecular Formula : C19H22ClN3O3
Molecular Weight : 375.85