PRODUCT CATALOG
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Chlorthalidone
standards in stock
Impurity and working standards - ready stock
| Structure | Standard | CAS | Availability | |
|---|---|---|---|---|
| 2-Chloro-5-(3-oxo-2,3- dihydro-1H-isoindol- 1yl)benzene sulphonamide | 82875-49-8 | In stock | |
 | API | 77-36-1 | In stock | |
 | 4-(Oxiran-2-yl methoxy)-9H -catbazole / 4-(2,3- Epoxypropoxy) carbazole | 51997-51-4 | In stock |
Characterised impurities
| Impurity | Chemical name | Pharmacopoeia |
|---|---|---|
| Impurity "D" (Related compound "C") | 2-Chloro-5-[(1RS)-1- ethoxy-3-oxo-2,3- dihydro-1H- isoindol-1- yl]benzenesulfonami | EP/USP |
| Impurity “E” i.e. [CPSP) | 2-Chloro-5-[(1RS)-3- oxo-2,3-Dihydro-1H- isoindol-1- yl]benzene sulfonamide | EP |
| Impurity "G" | (3RS)-3-(3,4- Dichlorophenyl)-3- hydroxy-2,3- dihydro-1H-isoindol- 1-one | EP |
| Impurity “H” | 2-Chloro-5-[(1RS)-1- (1-methylethoxy)-3- oxo-2,3- dihydro-1H- isoindol-1- yl]benzenesulfonami | EP |
| O-CPP Impurity "I" | 3-(2- chlorophenyl)-2,3- dihydro-1H-isoindol- 1-one 2-[3- aminosulfonyl)-4- chlorobenzoyl]benzo acid isopropyl ester | IHT EP |
| Related compound “A” | 1-(3- Dimethylaminoprop yl)-1-(4- Fluorophenyl)-1,3- dihydroisobenzofura n-5-carboxamide | USP |
| Related compound | 3-(3- Dimethylaminoprop yl)-3-(4- | - |
| C (3-oxo- citalopram ) | Fluorophenyl)-6- cyano-1(3H)- isobenzofuranone | USP |
| Related compound | 3-(3- dimethylaminopropy l)-3-(4- fluorophenyl)-6- | USP |
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