ziprasidone and its Impurities
Ziprasidone used primarily to treat schizophrenia and bipolar disorder. It is classified as an atypical antipsychotic. It is effective at reducing the rate and time of relapses in schizophrenia, and can be used to treat manic episodes in bipolar disorder.Reference standards of Ziprasidone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![5-[2-[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]et PA 26 12670](https://www.pharmaffiliates.com/pimages/PA2612670.jpg)
5-[2-[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-3-(1-methylethylidene)-2H-indol-2-one
5-[2-[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-3-(1-methylethylidene)-2H-indol-2-one
Catalogue No.:PA 26 12670
CAS :
684269-12-3
Molecular Formula : C24H25ClN4OS
Molecular Weight : 453


Ziprasidone Related Compound A (3-(Piperazin-1-yl)benzo[d]isothiazole monohydrochloride) (1724419)
Ziprasidone Related Compound A (3-(Piperazin-1-yl)benzo[d]isothiazole monohydrochloride) (1724419)
Catalogue No.:PA USP1724419
CAS :
87691-88-1
Molecular Formula : NA
Molecular Weight : NA

![Ziprasidone Related Compound B (5-(2-(4-(Benzo[d] PA USP1724420](https://www.pharmaffiliates.com/pimages/PAUSP1724420.jpg)
Ziprasidone Related Compound B (5-(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6-chloroindo (1724420)
Ziprasidone Related Compound B (5-(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6-chloroindo (1724420)
Catalogue No.:PA USP1724420
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Ziprasidone Related Compound C (5,5'-Bis(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6'-d (1724441)
Ziprasidone Related Compound C (5,5'-Bis(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6'-d (1724441)
Catalogue No.:PA USP1724441
CAS :
1303996-68-0
Molecular Formula : NA
Molecular Weight : NA

![Ziprasidone Related Compound D (3-(Benzo[d]isothi PA USP1724452](https://www.pharmaffiliates.com/pimages/PAUSP1724452.jpg)
Ziprasidone Related Compound D (3-(Benzo[d]isothiazol-3-yl)-5-(2-(4-(benzo[d]isothiazol-3-yl)pipera (1724452)
Ziprasidone Related Compound D (3-(Benzo[d]isothiazol-3-yl)-5-(2-(4-(benzo[d]isothiazol-3-yl)pipera (1724452)
Catalogue No.:PA USP1724452
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA

![5,5'-bis(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1 PA 26 0211009](https://www.pharmaffiliates.com/pimages/PA260211009.jpg)
5,5'-bis(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6'-dichloro-[3,3'-biindolinylidene]-2,2'-dione
5,5'-bis(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6'-dichloro-[3,3'-biindolinylidene]-2,2'-dione
Catalogue No.:PA 26 0211009
CAS :
1311090-44-4
Molecular Formula : C42H38Cl2N8O2S2
Molecular Weight : 821.84