Meet KM Pharma at CPHI Milan on October 06-08, 2026 - Booth No. 4J104 Book a meeting

Brexpiprazole Impurity 18

Brexpiprazole Impurity 18
Catalog No. KMB001023
CAS No. 2059954-32-2
Formula C17H21Cl2NO2 
FW 342.3
Unit Price Stock
100 mg Enquire Enquire
Chemical Name 7-(4-Chlorobutoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one
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

Brexpiprazole Impurity 9

Brexpiprazole Impurity 9

CAS No. : 31570-97-5

CAT No. : KMB001001

Formula : C9H7NO2

FW : 161.16

View Details
Brexpiprazole Nitroso Impurity 2

Brexpiprazole Nitroso Impurity 2

CAS No. : Not Available

CAT No. : KMB001002

Formula : C17H22N4O3

FW : 330.38

View Details
Brexpiprazole

Brexpiprazole

CAS No. : 913611-97-9

CAT No. : KMB001006

Formula : C25H27N3O2S 

FW : 433.6

View Details
Brexpiprazole Citrate

Brexpiprazole Citrate

CAS No. : 913612-42-7

CAT No. : KMB001008

Formula : C25H27N3O2S : C6H8O7

FW : 433.6 : 192.1

View Details
Brexpiprazole Di-N-Oxide

Brexpiprazole Di-N-Oxide

CAS No. : 2247155-42-4

CAT No. : KMB001011

Formula : C25H27N3O4S

FW : 465.6

View Details
Brexpiprazole Impurity 1

Brexpiprazole Impurity 1

CAS No. : 1420987-86-5

CAT No. : KMB001014

Formula : C20H18N2S2 

FW : 350.5

View Details
Brexpiprazole Impurity 11

Brexpiprazole Impurity 11

CAS No. : 1886188-97-1

CAT No. : KMB001016

Formula : C13H15NO3 

FW : 233.3

View Details
Brexpiprazole Impurity 12

Brexpiprazole Impurity 12

CAS No. : 2116542-19-7

CAT No. : KMB001017

Formula : C22H20N2O4 

FW : 376.4

View Details
Brexpiprazole Impurity 22

Brexpiprazole Impurity 22

CAS No. : 913614-18-3

CAT No. : KMB001026

Formula : C12H14N2S : HCl

FW : 218.3 : 36.5

View Details
Brexpiprazole Impurity 23

Brexpiprazole Impurity 23

CAS No. : 1849603-59-3

CAT No. : KMB001027

Formula : C17H23N3O2 : 2HCl

FW : 301.4 : 72.9

View Details
Brexpiprazole Impurity 24

Brexpiprazole Impurity 24

CAS No. : 2220149-92-6

CAT No. : KMB001028

Formula : C30H36N4O4

FW : 516.6

View Details
Brexpiprazole Impurity 25

Brexpiprazole Impurity 25

CAS No. : 5118-13-8

CAT No. : KMB001029

Formula : C8H5BrS

FW : 213.1

View Details
Brexpiprazole Impurity 26

Brexpiprazole Impurity 26

CAS No. : 913613-82-8

CAT No. : KMB001030

Formula : C13H14ClNO2

FW : 251.7

View Details
Brexpiprazole Impurity 27

Brexpiprazole Impurity 27

CAS No. : 95-15-8

CAT No. : KMB001031

Formula : C8H6S

FW : 134.2

View Details
Brexpiprazole Impurity 28

Brexpiprazole Impurity 28

CAS No. : 203395-59-9

CAT No. : KMB001032

Formula : C13H14BrNO2

FW : 296.2

View Details
Brexpiprazole Impurity 29

Brexpiprazole Impurity 29

CAS No. : 1191901-09-3

CAT No. : KMB001033

Formula : C13H14INO2

FW : 343.2

View Details
Brexpiprazole Impurity 30

Brexpiprazole Impurity 30

CAS No. : 2094559-58-5

CAT No. : KMB001034

Formula : C38H40N4O4S

FW : 648.8

View Details
Brexpiprazole Impurity 31

Brexpiprazole Impurity 31

CAS No. : 2138169-93-2

CAT No. : KMB001035

Formula : C41H47N5O2S2

FW : 706.0

View Details
Brexpiprazole Impurity 32

Brexpiprazole Impurity 32

CAS No. : 2143944-64-1

CAT No. : KMB001036

Formula : C16H21N2S

FW : 273.4

View Details
Brexpiprazole Impurity 33

Brexpiprazole Impurity 33

CAS No. : NA

CAT No. : KMB001037

Formula : C16H20N2S

FW : 272.4

View Details
Brexpiprazole Impurity 34

Brexpiprazole Impurity 34

CAS No. : 2116542-21-1

CAT No. : KMB001038

Formula : C38H40N4O4S

FW : 648.8

View Details
Brexpiprazole N-Oxide

Brexpiprazole N-Oxide

CAS No. : 1191900-58-9

CAT No. : KMB001080

Formula : C25H27N3O3S 

FW : 449.6

View Details
Brexpiprazole Impurity 15

Brexpiprazole Impurity 15

CAS No. : 913612-07-4

CAT No. : KMB001020

Formula : C25H29N3O2S 

FW : 435.6

View Details
Brexpiprazole Sulfoxide

Brexpiprazole Sulfoxide

CAS No. : 1191900-51-2

CAT No. : KMB001084

Formula : C25H27N3O3S 

FW : 449.6

View Details
Brexpiprazole Impurity 35

Brexpiprazole Impurity 35

CAS No. : NA

CAT No. : KMB001039

Formula : C25H27N3O4S

FW : 465.6

View Details
Brexpiprazole Impurity 4

Brexpiprazole Impurity 4

CAS No. : 2116542-20-0

CAT No. : KMB001044

Formula : C25H27N3O2S

FW : 433.6

View Details
5- Bromobenzo[b]thiophene

5- Bromobenzo[b]thiophene

CAS No. : 4923-87-9

CAT No. : KMB001003

Formula : C8H5BrS

FW : 213.1

View Details
6-Bromobenzo[b]thiophene

6-Bromobenzo[b]thiophene

CAS No. : 17347-32-9

CAT No. : KMB001004

Formula : C8H5BrS

FW : 213.1

View Details
7-Bromobenzo[b]thiophene

7-Bromobenzo[b]thiophene

CAS No. : 1423-61-6

CAT No. : KMB001005

Formula : C8H5BrS

FW : 213.1

View Details
Brexpiprazole Carbamate Impurity

Brexpiprazole Carbamate Impurity

CAS No. : NA

CAT No. : KMB001007

Formula : C26H27N3O4S

FW : 477.6

View Details
Brexpiprazole Cyclic Dimer

Brexpiprazole Cyclic Dimer

CAS No. : 2190474-85-0

CAT No. : KMB001009

Formula : C50H54N6O4S2

FW : 867.1

View Details
Brexpiprazole Hydrobromide

Brexpiprazole Hydrobromide

CAS No. : 1427049-36-2

CAT No. : KMB001012

Formula : C25H27N3O2S : HBr

FW : 433.6 : 80.9

View Details
Brexpiprazole Hydrochloride

Brexpiprazole Hydrochloride

CAS No. : 1420987-74-1

CAT No. : KMB001013

Formula : C25H27N3O2S : HCl

FW : 433.6 : 36.5

View Details
Brexpiprazole Impurity 10

Brexpiprazole Impurity 10

CAS No. : 15116-41-3

CAT No. : KMB001015

Formula : C16H15NO2 

FW : 253.3

View Details
Brexpiprazole Impurity 13

Brexpiprazole Impurity 13

CAS No. : NA

CAT No. : KMB001018

Formula : C25H27N3O2S 

FW : 433.6

View Details
Brexpiprazole Impurity 14

Brexpiprazole Impurity 14

CAS No. : 2518081-42-8

CAT No. : KMB001019

Formula : C38H40N4O4S 

FW : 648.8

View Details
Brexpiprazole Impurity 16

Brexpiprazole Impurity 16

CAS No. : NA

CAT No. : KMB001021

Formula : C33H33N3O2S2 

FW : 567.8

View Details
Brexpiprazole Impurity 17

Brexpiprazole Impurity 17

CAS No. : 2250242-22-7

CAT No. : KMB001022

Formula : C28H34N4S2 

FW : 490.7

View Details
Brexpiprazole Impurity 19

Brexpiprazole Impurity 19

CAS No. : 616227-75-9

CAT No. : KMB001024

Formula : C15H13NO2 

FW : 239.3

View Details
Brexpiprazole Impurity 20

Brexpiprazole Impurity 20

CAS No. : 1420987-85-4

CAT No. : KMB001025

Formula : C20H20N2S2

FW : 352.5

View Details
Brexpiprazole Impurity 36

Brexpiprazole Impurity 36

CAS No. : NA

CAT No. : KMB001040

Formula : C13H14BrNO2

FW : 296.2

View Details
Brexpiprazole Impurity 37

Brexpiprazole Impurity 37

CAS No. : NA

CAT No. : KMB001041

Formula : C13H14ClNO2

FW : 251.7

View Details
Brexpiprazole Impurity 38

Brexpiprazole Impurity 38

CAS No. : NA

CAT No. : KMB001042

Formula : C13H14BrNO2

FW : 296.2

View Details
Brexpiprazole Impurity 39

Brexpiprazole Impurity 39

CAS No. : 2059942-13-9

CAT No. : KMB001043

Formula : C26H27ClN2O4

FW : 467.0

View Details
Brexpiprazole Impurity 40

Brexpiprazole Impurity 40

CAS No. : 2060029-80-1

CAT No. : KMB001045

Formula : C26H27ClN2O4

FW : 467.0

View Details
Brexpiprazole Impurity 41

Brexpiprazole Impurity 41

CAS No. : NA

CAT No. : KMB001046

Formula : C26H27BrN2O4

FW : 511.4

View Details
Brexpiprazole Impurity 42

Brexpiprazole Impurity 42

CAS No. : 2060027-95-2

CAT No. : KMB001047

Formula : C17H21Cl2NO2

FW : 342.3

View Details
Brexpiprazole Impurity 43

Brexpiprazole Impurity 43

CAS No. : NA

CAT No. : KMB001048

Formula : C26H27BrN2O4

FW : 511.4

View Details
Brexpiprazole Impurity 44

Brexpiprazole Impurity 44

CAS No. : NA

CAT No. : KMB001049

Formula : C26H27BrN2O4

FW : 511.4

View Details
Brexpiprazole Impurity 45

Brexpiprazole Impurity 45

CAS No. : NA

CAT No. : KMB001050

Formula : C17H21Br2NO2

FW : 431.2

View Details
Brexpiprazole Impurity 46

Brexpiprazole Impurity 46

CAS No. : NA

CAT No. : KMB001051

Formula : C25H27N3O2S

FW : 433.6

View Details
Brexpiprazole Impurity 49

Brexpiprazole Impurity 49

CAS No. : NA

CAT No. : KMB001053

Formula : C13H14ClNO2

FW : 251.7

View Details
Brexpiprazole Impurity 5

Brexpiprazole Impurity 5

CAS No. : 105685-34-5

CAT No. : KMB001054

Formula : C12H14N2O

FW : 202.3

View Details
Brexpiprazole Impurity 50

Brexpiprazole Impurity 50

CAS No. : NA

CAT No. : KMB001055

Formula : C17H23Cl2NO2

FW : 344.3

View Details
Brexpiprazole Impurity 51

Brexpiprazole Impurity 51

CAS No. : NA

CAT No. : KMB001056

Formula : C41H49N5O2S2

FW : 708.0

View Details
Brexpiprazole Impurity 52

Brexpiprazole Impurity 52

CAS No. : 2137823-20-0

CAT No. : KMB001057

Formula : C41H47N5O2S2

FW : 706.0

View Details
Brexpiprazole Impurity 53

Brexpiprazole Impurity 53

CAS No. : NA

CAT No. : KMB001058

Formula : C38H42N4O4S

FW : 650.8

View Details
Brexpiprazole Impurity 54

Brexpiprazole Impurity 54

CAS No. : 17913-18-7

CAT No. : KMB001059

Formula : C5H11ClO

FW : 122.6

View Details
Brexpiprazole Impurity 55

Brexpiprazole Impurity 55

CAS No. : 4457-67-4

CAT No. : KMB001060

Formula : C5H11BrO

FW : 167.0

View Details
Brexpiprazole Impurity 56

Brexpiprazole Impurity 56

CAS No. : 13179-96-9

CAT No. : KMB001061

Formula : C6H14O2

FW : 118.2

View Details
Brexpiprazole Impurity 57

Brexpiprazole Impurity 57

CAS No. : 57260-71-6

CAT No. : KMB001062

Formula : C9H18N2O2

FW : 186.3

View Details
Brexpiprazole Impurity 58

Brexpiprazole Impurity 58

CAS No. : 76535-75-6

CAT No. : KMB001063

Formula : C14H26N2O4

FW : 286.4

View Details
Brexpiprazole Impurity 59

Brexpiprazole Impurity 59

CAS No. : 310466-38-7

CAT No. : KMB001064

Formula : C8H5FS

FW : 152.2

View Details
Brexpiprazole Impurity 6

Brexpiprazole Impurity 6

CAS No. : NA

CAT No. : KMB001065

Formula : C25H27N3O3 

FW : 417.5

View Details
Brexpiprazole Impurity 60

Brexpiprazole Impurity 60

CAS No. : 2081876-02-8

CAT No. : KMB001066

Formula : C22H31N3O4

FW : 401.5

View Details
Brexpiprazole Impurity 61

Brexpiprazole Impurity 61

CAS No. : 584-45-2

CAT No. : KMB001067

Formula : C10H8O4

FW : 192.2

View Details
Brexpiprazole Impurity 62

Brexpiprazole Impurity 62

CAS No. : 1224935-95-8

CAT No. : KMB001068

Formula : C15H28N2O2

FW : 268.4

View Details
Brexpiprazole Impurity 63

Brexpiprazole Impurity 63

CAS No. : 5194-37-6

CAT No. : KMB001069

Formula : C9H5BrO2S

FW : 257.1

View Details
Brexpiprazole Impurity 64

Brexpiprazole Impurity 64

CAS No. : NA

CAT No. : KMB001070

Formula : C18H16FN3O3S

FW : 373.4

View Details
Brexpiprazole Impurity 65

Brexpiprazole Impurity 65

CAS No. : 2247155-48-0

CAT No. : KMB001071

Formula : C26H27ClN2O4

FW : 467.0

View Details
Brexpiprazole Impurity 66

Brexpiprazole Impurity 66

CAS No. : 2247155-47-9

CAT No. : KMB001072

Formula : C26H27ClN2O4

FW : 467.0

View Details
Brexpiprazole Impurity 67

Brexpiprazole Impurity 67

CAS No. : NA

CAT No. : KMB001073

Formula : C18H23Cl2NO3

FW : 372.3

View Details
Brexpiprazole Impurity 68

Brexpiprazole Impurity 68

CAS No. : 2220149-89-1

CAT No. : KMB001074

Formula : C20H18N2S2

FW : 350.5

View Details
Brexpiprazole Impurity 69

Brexpiprazole Impurity 69

CAS No. : 913614-15-0

CAT No. : KMB001075

Formula : C16H22N2OS

FW : 290.4

View Details
Brexpiprazole Impurity 7

Brexpiprazole Impurity 7

CAS No. : 2126178-13-8

CAT No. : KMB001076

Formula : C20H18N2S2 

FW : 350.5

View Details
Brexpiprazole Impurity 7 Hydrochloride

Brexpiprazole Impurity 7 Hydrochloride

CAS No. : 2126178-14-9

CAT No. : KMB001077

Formula : C20H18N2S2 : 2(HCl)

FW : 350.5 : 2(36.5)

View Details
Brexpiprazole Impurity 8

Brexpiprazole Impurity 8

CAS No. : NA

CAT No. : KMB001078

Formula : C33H31N3O2S2 

FW : 565.8

View Details
Brexpiprazole Sulfate

Brexpiprazole Sulfate

CAS No. : 913612-39-2

CAT No. : KMB001083

Formula : C25H27N3O2S : H2SO4

FW : 433.6 : 98.1

View Details
Brexpiprazole Impurity 48

Brexpiprazole Impurity 48

CAS No. : 2454317-17-8

CAT No. : KMB001052

Formula : C38H41N4O4S : Cl

FW : 649.8 : 35.5

View Details
Brexpiprazole D8

Brexpiprazole D8

CAS No. : 1427049-19-1

CAT No. : KMB001010

Formula : C25H19D8N3O2S

FW : 441.6

View Details
Brexpiprazole-Piperazin D8

Brexpiprazole-Piperazin D8

CAS No. : 1427049-21-5

CAT No. : KMB001085

Formula : C25H19D8N3O2S

FW : 441.6

View Details
Brexpiprazole Nitroso Impurity 1

Brexpiprazole Nitroso Impurity 1

CAS No. : 2639426-95-0

CAT No. : KMB001081

Formula : C12H13N3OS

FW : 247.3

View Details
N-Nitroso Brexpiprazole Impurity 1

N-Nitroso Brexpiprazole Impurity 1

CAS No. : 877177-42-9

CAT No. : KMB001087

Formula : C9H17N3O3

FW : 215.3

View Details
N-Nitroso Brexpiprazole Impurity

N-Nitroso Brexpiprazole Impurity

CAS No. : 2761668-93-1

CAT No. : KMB001086

Formula : C20H19N3OS2

FW : 381.5

View Details
Brexpiprazole Impurity 9

Brexpiprazole Impurity 9

CAS No. : 31570-97-5

CAT No. : KMB001079

Formula : C9H7NO2 

FW : 161.2

View Details
Brexpiprazole Nitroso Impurity 2

Brexpiprazole Nitroso Impurity 2

CAS No. : NA

CAT No. : KMB001082

Formula : C17H22N4O3

FW : 330.4

View Details
RAC-BINAP

RAC-BINAP

CAS No. : 98327-87-8

CAT No. : KMB001088

Formula : C44H32P2

FW : 622.67

View Details

About Us

K. M. Pharma Solution Pvt. Ltd., India (CIN: U72100GJ2023PTC141278), is a leading, innovation-driven company accredited by FDCA, GMP-GLP, ISO 9001:2015, and NABL (ISO/IEC 17025 & ISO 17034). Specializing in the design, synthesis, and characterization of pharmaceutical impurity standards and reference materials, we offer an extensive portfolio including nitrosamine impurities, pharmacopeial and non-pharmacopeial impurities, drug metabolites, glucuronides, process degradants, excipient-related impurities, unknown impurity isolation & structural elucidation, and stable isotope-labeled compounds.

As an integrated Contract Research, Development & Manufacturing Organization (CRDMO), we provide end-to-end scientific services — from early-stage discovery through to commercial supply — with a strong focus on quality, compliance, and customer satisfaction.

Contact Us

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

© 2026 K.M.Pharma. All Rights Reserved