Quetiapine Carboxylate Impurity

Quetiapine Carboxylate Impurity
Catalog No. KMQ001021
CAS No. 1011758-00-1
Formula C22H25N3O4S
FW 427.5
Unit Price Stock
100 mg Enquire Enquire
Chemical Name 4-Dibenzothiazepin-11-yl-1-piperazinecarboxylic acid 2-(2-hydroxyethoxy) ethyl ester
Purity >95%
Storage Store at 2-8 deg. C for long term storage
Shipping Product is stable to be Shipped at Room Temperature
Download MSDS

Related Products

1-(2-(2-methoxyethoxy)ethyl)piperazine

1-(2-(2-methoxyethoxy)ethyl)piperazine

CAS No. : 68465-66-7

CAT No. : KMQ001001

Formula : C9H20N2O2

FW : 188.27

View Details
Quetiapine Desethoxy Impurity

Quetiapine Desethoxy Impurity

CAS No. : 329216-67-3

CAT No. : KMQ001002

Formula : C19H21N3OS

FW : 339.45

View Details
Quetiapine Related Compound B

Quetiapine Related Compound B

CAS No. : 111974-74-4

CAT No. : KMQ001003

Formula : C17H17N3S : 2(HCl)

FW : 295.4 : 2(36.5)

View Details
Quetiapine Related Compound G

Quetiapine Related Compound G

CAS No. : 3159-07-7

CAT No. : KMQ001004

Formula : C13H9NOS

FW : 227.28

View Details
Quetiapine Fumarate

Quetiapine Fumarate

CAS No. : 111974-72-2

CAT No. : KMQ001005

Formula : C21H25N3O2S : 1/2(C4H4O4)

FW : 383.5 : 1/2(116.1)

View Details
Nitroso HEEP

Nitroso HEEP

CAS No. : 73486-81-4

CAT No. : KMQ001006

Formula : C8H17N3O3

FW : 203.24

View Details
Nitroso Piperazine Ethanol

Nitroso Piperazine Ethanol

CAS No. : 48121-20-6

CAT No. : KMQ001007

Formula : C6H13N3O2

FW : 159.19

View Details
Quetiapine HEEP Impurity

Quetiapine HEEP Impurity

CAS No. : 13349-82-1

CAT No. : KMQ001008

Formula : C8H18N2O2

FW : 174.24

View Details
Quetiapine 11 Chloro Impurity

Quetiapine 11 Chloro Impurity

CAS No. : 13745-86-3

CAT No. : KMQ001017

Formula : C13H8ClNS

FW : 245.7

View Details
Quetiapine DBTO Sulfone

Quetiapine DBTO Sulfone

CAS No. : 22871-33-6

CAT No. : KMQ001026

Formula : C13H9NO3S

FW : 259.3

View Details
Quetiapine DBTP N-Methyl Impurity

Quetiapine DBTP N-Methyl Impurity

CAS No. : 1977-09-9

CAT No. : KMQ001028

Formula : C18H19N3S

FW : 309.4

View Details
Quetiapine Diether Alcohol

Quetiapine Diether Alcohol

CAS No. : 329216-69-5

CAT No. : KMQ001029

Formula : C23H29N3O3S

FW : 427.6

View Details
Quetiapine Diether Alcohol (HCl salt)

Quetiapine Diether Alcohol (HCl salt)

CAS No. : NA

CAT No. : KMQ001030

Formula : C23H29N3O3S . HCl

FW : 427.6 : 36.5

View Details
Quetiapine EP Impuirty I

Quetiapine EP Impuirty I

CAS No. : 329216-67-3

CAT No. : KMQ001032

Formula : C19H21N3OS

FW : 339.5

View Details
Quetiapine EP Impuirty I (Fumarate salt)

Quetiapine EP Impuirty I (Fumarate salt)

CAS No. : 2734403-85-9

CAT No. : KMQ001033

Formula : C19H21N3OS : C4H4O4

FW : 339.5 : 116.1

View Details
Quetiapine EP Impurity A

Quetiapine EP Impurity A

CAS No. : 844639-07-2

CAT No. : KMQ001034

Formula : C23H27N3O3S

FW : 425.5

View Details
Quetiapine EP Impurity B (dihydrochloride salt)

Quetiapine EP Impurity B (dihydrochloride salt)

CAS No. : 111974-74-4

CAT No. : KMQ001035

Formula : C17H17N3S : 2(HCl)

FW : 295.4 : 2(36.5)

View Details
Quetiapine EP Impurity B (Fumarate salt)

Quetiapine EP Impurity B (Fumarate salt)

CAS No. : 937731-18-5

CAT No. : KMQ001036

Formula : C17H17N3S : C4H4O4

FW : 295.4 : 116.1

View Details
Quetiapine EP Impurity C

Quetiapine EP Impurity C

CAS No. : 1798840-31-9

CAT No. : KMQ001037

Formula : C40H42N6O3S2

FW : 718.9

View Details
Quetiapine EP Impurity E

Quetiapine EP Impurity E

CAS No. : 1371638-05-9

CAT No. : KMQ001039

Formula : C40H44N6O2S2

FW : 704.9

View Details
Quetiapine EP Impurity F

Quetiapine EP Impurity F

CAS No. : 848814-27-7

CAT No. : KMQ001040

Formula : C21H27N3O3S

FW : 401.5

View Details
Quetiapine EP Impurity G

Quetiapine EP Impurity G

CAS No. : 3159-07-7

CAT No. : KMQ001041

Formula : C13H9NOS

FW : 227.3

View Details
Quetiapine EP Impurity H

Quetiapine EP Impurity H

CAS No. : 1076199-40-0

CAT No. : KMQ001042

Formula : C21H25N3O3S

FW : 399.5

View Details
Quetiapine EP Impurity I (2HCl Salt)

Quetiapine EP Impurity I (2HCl Salt)

CAS No. : 329218-14-6

CAT No. : KMQ001043

Formula : C19H21N3OS : 2HCl

FW : 339.5 : 2(36.5)

View Details
Quetiapine EP Impurity J

Quetiapine EP Impurity J

CAS No. : 1356906-17-6

CAT No. : KMQ001044

Formula : C25H33N3O4S

FW : 471.6

View Details
Quetiapine EP Impurity K

Quetiapine EP Impurity K

CAS No. : 1371638-10-6

CAT No. : KMQ001045

Formula : C23H29N3O4S

FW : 443.6

View Details
Quetiapine EP Impurity L

Quetiapine EP Impurity L

CAS No. : 1371638-11-7

CAT No. : KMQ001046

Formula : C21H24ClN3O2S

FW : 418

View Details
Quetiapine EP Impurity N

Quetiapine EP Impurity N

CAS No. : 1800291-86-4

CAT No. : KMQ001047

Formula : C29H41N5O3S

FW : 539.7

View Details
Quetiapine EP Impurity O

Quetiapine EP Impurity O

CAS No. : 844639-06-1

CAT No. : KMQ001048

Formula : C40H39N3O2S

FW : 625.8

View Details
Quetiapine EP Impurity P

Quetiapine EP Impurity P

CAS No. : 1011758-03-4

CAT No. : KMQ001049

Formula : C19H21N3S

FW : 323.5

View Details
Quetiapine EP Impurity P HCl Salt

Quetiapine EP Impurity P HCl Salt

CAS No. : NA

CAT No. : KMQ001050

Formula : C19H21N3S : HCl

FW : 323.5 : 36.5

View Details
Quetiapine EP Impurity Q

Quetiapine EP Impurity Q

CAS No. : NA

CAT No. : KMQ001051

Formula : C25H34N3O4S : I

FW : 472.6 : 126.9

View Details
Quetiapine EP Impurity S

Quetiapine EP Impurity S

CAS No. : 329216-63-9

CAT No. : KMQ001052

Formula : C21H25N3O3S

FW : 399.5

View Details
Quetiapine EP Impurity T

Quetiapine EP Impurity T

CAS No. : 5747-46-6

CAT No. : KMQ001054

Formula : C17H16N2OS

FW : 296.4

View Details
Quetiapine EP Impurity V

Quetiapine EP Impurity V

CAS No. : 2204369-14-0

CAT No. : KMQ001056

Formula : C21H25N3O2

FW : 351.5

View Details
Quetiapine EP Impurity W

Quetiapine EP Impurity W

CAS No. : 1800608-95-0

CAT No. : KMQ001057

Formula : C34H32N4O2S2

FW : 592.8

View Details
Quetiapine Hemifumarate

Quetiapine Hemifumarate

CAS No. : 111974-72-2

CAT No. : KMQ001060

Formula : C21H25N3O2S : 1/2(C4H4O4)

FW : 383.5 : 1/2(116.1)

View Details
Quetiapine Impurity (2-Aminodiphenyl Sulfide)

Quetiapine Impurity (2-Aminodiphenyl Sulfide)

CAS No. : 1134-94-7

CAT No. : KMQ001062

Formula : C12H11NS 

FW : 201.3

View Details
Quetiapine Impurity 15

Quetiapine Impurity 15

CAS No. : 37539-80-3

CAT No. : KMQ001069

Formula : C13H8ClNS

FW : 245.7

View Details
Quetiapine Impurity 3

Quetiapine Impurity 3

CAS No. : 102893-57-2

CAT No. : KMQ001076

Formula : C25H20N2OS2 

FW : 428.6

View Details
Quetiapine Impurity 5

Quetiapine Impurity 5

CAS No. : 837383-82-1

CAT No. : KMQ001077

Formula : C17H19N3OS 

FW : 313.4

View Details
Quetiapine Impurity 8

Quetiapine Impurity 8

CAS No. : 1126432-68-5

CAT No. : KMQ001080

Formula : C30H28N4O2S2 

FW : 540.7

View Details
Quetiapine Impurity 9

Quetiapine Impurity 9

CAS No. : 2206606-99-5

CAT No. : KMQ001081

Formula : C22H26N4OS 

FW : 394.5

View Details
Quetiapine Impurity R

Quetiapine Impurity R

CAS No. : 2459-05-4

CAT No. : KMQ001083

Formula : C6H8O4

FW : 144.1

View Details
Quetiapine Related Compound (Phenyl-2-(phenyl thio)phenyl carbamide)

Quetiapine Related Compound (Phenyl-2-(phenyl thio)phenyl carbamide)

CAS No. : 111974-73-3

CAT No. : KMQ001086

Formula : C19H15NO2S 

FW : 321.4

View Details
Quetiapine 2-Hydroxy Impurity

Quetiapine 2-Hydroxy Impurity

CAS No. : 1241800-24-7

CAT No. : KMQ001018

Formula : C21H27N3O3S 

FW : 401.5

View Details
Quetiapine EP Impurity D

Quetiapine EP Impurity D

CAS No. : 945668-94-0

CAT No. : KMQ001038

Formula : C30H24N4S2

FW : 504.7

View Details
Quetiapine EP Impurity S HCl Salt

Quetiapine EP Impurity S HCl Salt

CAS No. : 329218-11-3

CAT No. : KMQ001053

Formula : C21H25N3O3S : 2HCl

FW : 399.5 : 2(36.5)

View Details
2-amino biphenyl sulphide and phenyl-2-(phenylthio)-phenylcarbamate

2-amino biphenyl sulphide and phenyl-2-(phenylthio)-phenylcarbamate

CAS No. : NA

CAT No. : KMQ001009

Formula : C19H14NO2S : C12H11NS

FW : 320.4 : 201.3

View Details
2-Nitro-4'-Chlorodiphenyl Sulfide

2-Nitro-4'-Chlorodiphenyl Sulfide

CAS No. : 6764-10-9

CAT No. : KMQ001010

Formula : C12H8ClNO2S 

FW : 265.7

View Details
7-Hydroxy Quetiapine

7-Hydroxy Quetiapine

CAS No. : 139079-39-3

CAT No. : KMQ001011

Formula : C21H25N3O3S

FW : 399.5

View Details
N,N′-Bis(hydroxyethoxyethyl)piperazine

N,N′-Bis(hydroxyethoxyethyl)piperazine

CAS No. : 14258-43-6

CAT No. : KMQ001015

Formula : C12H26N2O4

FW : 262.4

View Details
Quetiapine

Quetiapine

CAS No. : 111974-69-7

CAT No. : KMQ001016

Formula : C21H25N3O2S 

FW : 383.5

View Details
Quetiapine 7-Hydroxy Impurity

Quetiapine 7-Hydroxy Impurity

CAS No. : NA

CAT No. : KMQ001019

Formula : C21H25N3O3S : HCl

FW : 399.5 : 36.5

View Details
Quetiapine 7-Hydroxy Sulfoxide

Quetiapine 7-Hydroxy Sulfoxide

CAS No. : 1185170-04-0

CAT No. : KMQ001020

Formula : C21H25N3O4S

FW : 415.5

View Details
Quetiapine DBTC Sulfone

Quetiapine DBTC Sulfone

CAS No. : 52264-22-9

CAT No. : KMQ001025

Formula : C13H8ClNO2S

FW : 277.7

View Details
Quetiapine DBTP 7-Hydroxy Metabolite

Quetiapine DBTP 7-Hydroxy Metabolite

CAS No. : 232597-73-8

CAT No. : KMQ001027

Formula : C17H17N3OS

FW : 311.4

View Details
Quetiapine Dipiperazine Monoether Impurity

Quetiapine Dipiperazine Monoether Impurity

CAS No. : NA

CAT No. : KMQ001031

Formula : C27H37N5O2S : HCl

FW : 495.7 : 36.5

View Details
Quetiapine EP Impurity U

Quetiapine EP Impurity U

CAS No. : 5786-26-5

CAT No. : KMQ001055

Formula : C13H10N2S

FW : 226.3

View Details
Quetiapine Ethyl Ether (Fumarate)

Quetiapine Ethyl Ether (Fumarate)

CAS No. : 2470241-46-2

CAT No. : KMQ001058

Formula : C23H29N3O2S : C4H4O4

FW : 411.6 : 116.1

View Details
Quetiapine Hemifumarate Ester

Quetiapine Hemifumarate Ester

CAS No. : 2209488-73-1

CAT No. : KMQ001061

Formula : C25H27N3O5S 

FW : 481.6

View Details
Quetiapine Impurity 1

Quetiapine Impurity 1

CAS No. : 2749415-72-1

CAT No. : KMQ001063

Formula : C24H33N3O2S 

FW : 427.6

View Details
Quetiapine Impurity 10

Quetiapine Impurity 10

CAS No. : 2206135-48-8

CAT No. : KMQ001064

Formula : C14H11NOS 

FW : 241.3

View Details
Quetiapine Impurity 11

Quetiapine Impurity 11

CAS No. : 2206607-04-5

CAT No. : KMQ001065

Formula : C15H13NOS 

FW : 255.3

View Details
Quetiapine Impurity 12

Quetiapine Impurity 12

CAS No. : 2206135-50-2

CAT No. : KMQ001066

Formula : C25H18N2S2 

FW : 410.6

View Details
Quetiapine Impurity 13

Quetiapine Impurity 13

CAS No. : NA

CAT No. : KMQ001067

Formula : C21H24N3OS : Cl

FW : 366.5 : 35.5

View Details
Quetiapine Impurity 14

Quetiapine Impurity 14

CAS No. : 2206607-05-6

CAT No. : KMQ001068

Formula : C23H28ClN3O2S 

FW : 446

View Details
Quetiapine Impurity 2

Quetiapine Impurity 2

CAS No. : 2748292-45-5

CAT No. : KMQ001070

Formula : C22H27N3O4S 

FW : 429.5

View Details
Quetiapine Impurity 21

Quetiapine Impurity 21

CAS No. : 2108892-53-9

CAT No. : KMQ001071

Formula : C21H25N3O2S

FW : 383.5

View Details
Quetiapine Impurity 22

Quetiapine Impurity 22

CAS No. : 140425-65-6

CAT No. : KMQ001072

Formula : C13H10N2S

FW : 226.3

View Details
Quetiapine Impurity 23

Quetiapine Impurity 23

CAS No. : 54920-98-8

CAT No. : KMQ001073

Formula : C13H11NO2S

FW : 245.3

View Details
Quetiapine Impurity 24

Quetiapine Impurity 24

CAS No. : 20290-48-6

CAT No. : KMQ001074

Formula : C13H9NO2S

FW : 243.3

View Details
Quetiapine Impurity 25

Quetiapine Impurity 25

CAS No. : 68465-66-7

CAT No. : KMQ001075

Formula : C9H20N2O2

FW : 188.3

View Details
Quetiapine Impurity 6

Quetiapine Impurity 6

CAS No. : 1514918-27-4

CAT No. : KMQ001078

Formula : C21H25N3O4S 

FW : 415.5

View Details
Quetiapine Impurity 7

Quetiapine Impurity 7

CAS No. : 2206606-97-3

CAT No. : KMQ001079

Formula : C21H25N3O5S 

FW : 431.5

View Details
Quetiapine impurity IV 

Quetiapine impurity IV 

CAS No. : NA

CAT No. : KMQ001082

Formula : C23H30N3O3S

FW : 428.6

View Details
Quetiapine Sulfone (HCl Salt)

Quetiapine Sulfone (HCl Salt)

CAS No. : 329218-13-5

CAT No. : KMQ001087

Formula : C21H25N3O4S : HCl

FW : 415.5 : 36.5

View Details
Quetiapine D4 Fumarate (Possibility 2)

Quetiapine D4 Fumarate (Possibility 2)

CAS No. : 1331636-50-0

CAT No. : KMQ001023

Formula : C21H21D4N3O2S : C4H4O4

FW : 387.5 : 116.1

View Details
Quetiapine D4 Fumarate (Possibility 1)

Quetiapine D4 Fumarate (Possibility 1)

CAS No. : 1287376-15-1

CAT No. : KMQ001022

Formula : C21H21D4N3O2S : C4H4O4

FW : 387.5 : 116.1

View Details
Quetiapine D4 Hemifumarate

Quetiapine D4 Hemifumarate

CAS No. : NA

CAT No. : KMQ001024

Formula : C21H21D4N3O2S : 1/2(C4H4O4)

FW : 387.5 : 1/2(116.1)

View Details
N-Nitroso Quetiapine EP Impurity B D8

N-Nitroso Quetiapine EP Impurity B D8

CAS No. : NA

CAT No. : KMQ001012

Formula : C17H8D8N4OS

FW : 332.5

View Details
N-Nitroso Quetiapine Impurity

N-Nitroso Quetiapine Impurity

CAS No. : 73486-81-4

CAT No. : KMQ001014

Formula : C8H17N3O3

FW : 203.2

View Details
Quetiapine Nitroso EP Impurity B

Quetiapine Nitroso EP Impurity B

CAS No. : Not Available

CAT No. : KMQ001084

Formula : C17H16N4OS

FW : 324.4

View Details
Quetiapine Nitroso Impurity 1

Quetiapine Nitroso Impurity 1

CAS No. : 2101854-40-2

CAT No. : KMQ001085

Formula : C13H10N2OS

FW : 242.3

View Details
N-Nitroso Quetiapine EP Impurity G

N-Nitroso Quetiapine EP Impurity G

CAS No. : NA

CAT No. : KMQ001013

Formula : C13H8N2O2S

FW : 256.3

View Details
Quetiapine HEEP Impurity

Quetiapine HEEP Impurity

CAS No. : 13349-82-1

CAT No. : KMQ001059

Formula : C8H18N2O2

FW : 174.2

View Details

About Us

K. M. Pharma Solution Pvt. Ltd, India. (CIN: U72100GJ2023PTC141278) is the FDCA, GMP-GLP, ISO 9001:2015, NABL (ISO/IEC 17025, ISO 17034) accredited, chemistry based innovation driven company involved in synthesis of nitrosamines impurities, pharmacopeial and non-pharmacopeial impurity standards, reference standards, drug metabolites, glucuronides, process degradants, excipient related impurities, unknown impurity isolation and characterisation and stable isotope products. Also is an integrated contract research, development and manufacturing organisation providing scientific services -- from early discovery to commercial supply.

Contact Us

  • Unit No.101, Shivam Industrial park,
    Sarkhej-bavala NH=8A, At-Moraiya, Changodar,
    Ahmedabad (Gujarat), India - 382213
  • contact@kmpharma.in
  • +91 9898822121

© 2025 K.M.Pharma. All Rights Reserved