quetiapine and its Impurities
This compound is also known as QUETIAPINE DIMER present as an impurity in antipsychotic drug Quetiapine. Reference standards of Quetiapine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                  ![2-[2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-p PA STI 029880](https://www.pharmaffiliates.com/pimages/PASTI029880.jpg) 
																				2-[2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethoxy]ethoxy]-ethanol-d8 Fumarate
2-[2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethoxy]ethoxy]-ethanol-d8 Fumarate
- Catalogue No.:PA STI 029880 
- CAS : - 2734435-09-5
- Molecular Formula : C29H29D8N3O8S 
- Molecular Weight : 595.73 
 
	
			                                  ![2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-pipe PA STI 029890](https://www.pharmaffiliates.com/pimages/PASTI029890.jpg) 
																				2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethoxy]ethanol-d8 Fumarate
2-[2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethoxy]ethanol-d8 Fumarate
- Catalogue No.:PA STI 029890 
- CAS : - 2734379-99-6
- Molecular Formula : C27H25D8N3O7S 
- Molecular Weight : 551.68 
 
	
			                                   
																				11-(4-(2,2,3,3-Tetramethyl-4,7,10,13-tetraoxa-3-silapentadecan-15-yl)piperazin-1-yl)dibenzo[b,f][1,4]thiazepine
11-(4-(2,2,3,3-Tetramethyl-4,7,10,13-tetraoxa-3-silapentadecan-15-yl)piperazin-1-yl)dibenzo[b,f][1,4]thiazepine
- Catalogue No.:PAI 17 001040 
- CAS : - NA
- Molecular Formula : C31H47N3O4SSi 
- Molecular Weight : 585.87 
 
	
			                                   
																				Quetiapine System Suitability (Mixture contains Quetiapine Fumarate and about 1% each of Quetiapine (1592715)
Quetiapine System Suitability (Mixture contains Quetiapine Fumarate and about 1% each of Quetiapine (1592715)
- Catalogue No.:PA USP1592715 
- CAS : - NA
- Molecular Formula : NA 
- Molecular Weight : NA 
 
	
			                                   
																				Quetiapine Related Compound B (11-(Piperazin-1-yl)dibenzo[b,f][1,4]thiazepine dihydrochloride) (1592737)
Quetiapine Related Compound B (11-(Piperazin-1-yl)dibenzo[b,f][1,4]thiazepine dihydrochloride) (1592737)
- Catalogue No.:PA USP1592737 
- CAS : - 111974-74-4
- Molecular Formula : NA 
- Molecular Weight : NA 
 
	
			                                  ![Quetiapine Related Compound H  (4-(Dibenzo[b,f][1, PA USP1592792](https://www.pharmaffiliates.com/pimages/PAUSP1592792.jpg) 
																				Quetiapine Related Compound H (4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-[2-(2-hydroxyethoxy)ethyl]pip (1592792)
Quetiapine Related Compound H (4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-[2-(2-hydroxyethoxy)ethyl]pip (1592792)
- Catalogue No.:PA USP1592792 
- CAS : - 1076199-40-0
- Molecular Formula : NA 
- Molecular Weight : NA 
 
	
			                                  ![4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1- PA 17 0021015](https://www.pharmaffiliates.com/pimages/PA170021015.jpg) 
																				4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-(2-(2-hydroxyethoxy)ethyl)piperazine 1-oxide
4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-(2-(2-hydroxyethoxy)ethyl)piperazine 1-oxide
- Catalogue No.:PA 17 0021015 
- CAS : - 2206606-97-3
- Molecular Formula : C21H25N3O5S 
- Molecular Weight : 431.51 
 
	
			                                  ![4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-(2-(2-hydro PA 17 0021012](https://www.pharmaffiliates.com/pimages/PA170021012.jpg) 
																				4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-(2-(2-hydroxyethoxy)ethyl)-1-(2-hydroxyethyl)piperazin-1-ium Bromide
4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1-(2-(2-hydroxyethoxy)ethyl)-1-(2-hydroxyethyl)piperazin-1-ium Bromide
- Catalogue No.:PA 17 0021012 
- CAS : - NA
- Molecular Formula : C23H30BrN3O3S 
- Molecular Weight : 508.48 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![1-[2-(2-Hydroxyethoxy)ethyl]piperazine PA 17 02520](https://www.pharmaffiliates.com/pimages/PA1702520.jpg) 
																				![11-Chloro-dibenzo[b,f][1,4]thiazepine PA 17 02530](https://www.pharmaffiliates.com/pimages/PA1702530.jpg) 
																				 
																				 
																				![11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepin-7-ol PA 17 02560](https://www.pharmaffiliates.com/pimages/PA1702560.jpg) 
																				 
																				 
																				![2-(2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piper PA 17 02590](https://www.pharmaffiliates.com/pimages/PA1702590.jpg) 
																				![7-Benzyloxy-N-des[[2-(2-hydroxy)ethoxy]ethyl] Quet PA STI 011850](https://www.pharmaffiliates.com/pimages/PASTI011850.jpg) 
																				 
																				![N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d8 PA STI 027060](https://www.pharmaffiliates.com/pimages/PASTI027060.jpg) 
																				![2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazi PA STI 029720](https://www.pharmaffiliates.com/pimages/PASTI029720.jpg) 
																				![2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazi PA STI 029730](https://www.pharmaffiliates.com/pimages/PASTI029730.jpg) 
																				![Di(2-(4-(dibenzo[b,f][1,4]thiazepin-11-yl)piperazi PA STI 029740](https://www.pharmaffiliates.com/pimages/PASTI029740.jpg) 
																				![O-Dibenzo[b,f][1,4]thiazepinyl Quetiapine-D8 PA STI 037960](https://www.pharmaffiliates.com/pimages/PASTI037960.jpg) 
																				 
																				![7-Hydroxy-N-des{[2-(2-hydroxy)ethoxy]ethyl} Quetia PA STI 048510](https://www.pharmaffiliates.com/pimages/PASTI048510.jpg) 
																				 
																				 
																				![11-(1-Piperazinyl-d8)-dibenzo[b,f][1,4]thiazepin-7 PA STI 073950](https://www.pharmaffiliates.com/pimages/PASTI073950.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![Quetiapine Related Compound G  (Dibenzo[b,f][1,4]t PA USP1592781](https://www.pharmaffiliates.com/pimages/PAUSP1592781.jpg) 
																				 
																				 
																				 
																				 
																				 
																				![N,N'-Bis[2-(phenylthio)phenyl]urea PA 17 0021002](https://www.pharmaffiliates.com/pimages/PA170021002.jpg) 
																				 
																				![1-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1 PA 17 0021004](https://www.pharmaffiliates.com/pimages/PA170021004.jpg) 
																				![7-Hydroxy-n-des{[2-(2-hydroxy)ethoxy]ethyl} quetia PA 17 0021006](https://www.pharmaffiliates.com/pimages/PA170021006.jpg) 
																				![7-Benzyloxy-N-des[[2-(2-hydroxy)ethoxy]ethyl] quet PA 17 0021007](https://www.pharmaffiliates.com/pimages/PA170021007.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				![N-[2-(Phenylthio)phenyl]-1-piperazinecarboxamide H PA 17 0021009](https://www.pharmaffiliates.com/pimages/PA170021009.jpg) 
																				![N1,N4-Bis[2-(phenylthio)phenyl]-1,4-piperazinedica PA 17 0021010](https://www.pharmaffiliates.com/pimages/PA170021010.jpg) 
																				![Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5,5-dioxid PA 17 0021011](https://www.pharmaffiliates.com/pimages/PA170021011.jpg) 
																				 
																				 
																				 
																				 
																				![2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazi PA 17 0021016](https://www.pharmaffiliates.com/pimages/PA170021016.jpg) 
																				![11-(4-Nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiaz PA 17 0021017](https://www.pharmaffiliates.com/pimages/PA170021017.jpg) 
																				 
																				 
																				![2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazi PAI 17 002003](https://www.pharmaffiliates.com/pimages/PAI17002003.jpg) 
																				 
																				 
																				 
																				 
 
 
 
