Website Header with Language Selector and Dropdowns
Type:Impurity Reference Standard
Total Products: 22
Inv. Status:

Ketotifen Fumarate Related Products
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Ketotifen Fumarate and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Ketotifen Fumarate impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Ketotifen Fumarate-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.
Watermark
Ketotifen Famurate
CAT No: CL-KTFR-01 CAS No: 34580-14-8 Mol Wt: 309.4 : 116.1 Mol F: C19H19NOS : C4H4O4 Inv Status: Custom Synthesis
Chemical Name: 4-(1-Methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrogen (E)-butenedioate
Watermark
Ketotifen Fumarate EP Impurity A
CAT No:  CL-KTFR-02 CAS No: ?4673-38-5 Mol Wt: 293.4 Mol F: C19H19NS Inv Status: Custom Synthesis
Chemical Name: 4-(4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-methylpiperidine (as per EP) ; (4-(4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-methylpiperidine fumarate) (as per USP)
Watermark
Ketotifen Fumarate EP Impurity B
CAT No:  CL-KTFR-03 CAS No: 59743-88-3 Mol Wt: 341.5 Mol F: C20H23NO2S Inv Status: Custom Synthesis
Chemical Name: 4-Hydroxy-9,10-Dehydro-10-Methoxy Ketotifen ; (4RS)-10-methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
Watermark
Ketotifen Fumarate EP Impurity C
CAT No:  CL-KTFR-04 CAS No: 126939-27-3 Mol Wt: 327.4 Mol F: C19H21NO2S Inv Status: Custom Synthesis
Chemical Name: (4RS)-4-Hydroxy-4-(1-methylpiperidin-4-yl)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one
Watermark
Ketotifen Fumarate EP Impurity D
CAT No:  CL-KTFR-05 CAS No: 88456-70-6 Mol Wt: 325.4 Mol F: C19H19NO2S Inv Status: Custom Synthesis
Chemical Name: 4-[(RaSa)-1-Methylpiperidin-4-ylidene]-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one N-oxide
Watermark
Ketotifen Fumarate EP Impurity E
CAT No:  CL-KTFR-06 CAS No: 1346603-71-1 Mol Wt: 309.4 Mol F: C19H19NOS Inv Status: Custom Synthesis
Chemical Name: 10-(1-Methylpiperidin-4-ylidene)-5,10-dihydro-4H-benzo[5,6]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Fumarate EP Impurity G
CAT No:  CL-KTFR-07 CAS No: 43076-16-0 Mol Wt: 323.4 Mol F: C19H17NO2S Inv Status: Custom Synthesis
Chemical Name: 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione (as per EP) ; (4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione fumarate) (as per USP)
Watermark
Ketotifen Impurity 2
CAT No:  CL-KTFR-08 CAS No: 5570-77-4 Mol Wt: 133.6 Mol F: C6H12ClN Inv Status: In Stock
Chemical Name: N-Methyl-4-chloropiperidine
Watermark
Ketotifen Fumarate EP Impurity F
CAT No:  CL-KTFR-09 CAS No: 34580-09-1 Mol Wt: 309.4 Mol F: C19H19NOS Inv Status: Custom Synthesis
Chemical Name: 4-(1-Methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo[4,5]cyclohepta[1,2-b]thiophen-9-one
Watermark
Ketotifen Impurity 3
CAT No:  CL-KTFR-10 CAS No: 4506-57-4 Mol Wt: 311.4 Mol F: C19H21NOS Inv Status: Custom Synthesis
Chemical Name: 4-(1-Methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
Watermark
Ketotifen Impurity 5
CAT No:  CL-KTFR-11 CAS No: NA Mol Wt: 411.5 Mol F: C22H21NO5S Inv Status: Custom Synthesis
Chemical Name: 2-(4-(10-Oxo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)piperidin-1-yl)succinic acid
Watermark
Ketotifen Impurity 6
CAT No:  CL-KTFR-12 CAS No: NA Mol Wt: 329.8 Mol F: C18H16ClNOS Inv Status: Custom Synthesis
Chemical Name: 2-Chloro-4-(piperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one
Watermark
Ketotifen Impurity 7
CAT No:  CL-KTFR-13 CAS No: NA Mol Wt: 329.8 Mol F: C18H16ClNOS Inv Status: Custom Synthesis
Chemical Name: 3-Chloro-4-(piperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one
Watermark
Ketotifen Impurity 8
CAT No:  CL-KTFR-14 CAS No: 1622-55-5 Mol Wt: 214.3 Mol F: C13H10OS Inv Status: Custom Synthesis
Chemical Name: ?9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 10
CAT No:  CL-KTFR-15 CAS No: ?4506-53-0 Mol Wt: 212.3 Mol F: C13H8OS Inv Status: Custom Synthesis
Chemical Name: 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 11
CAT No:  CL-KTFR-16 CAS No: 126939-25-1 Mol Wt: 291.2 Mol F: C13H7BrOS Inv Status: Custom Synthesis
Chemical Name: 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 12
CAT No:  CL-KTFR-17 CAS No: 59743-84-9 Mol Wt: 242.3 Mol F: C14H10O2S Inv Status: Custom Synthesis
Chemical Name: 10-Methoxy-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 13
CAT No:  CL-KTFR-18 CAS No: 34580-11-5 Mol Wt: 291.2 Mol F: C13H7BrOS Inv Status: Custom Synthesis
Chemical Name: 10-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 14
CAT No:  CL-KTFR-19 CAS No: 34580-10-4 Mol Wt: 372.1 Mol F: C13H8Br2OS Inv Status: Custom Synthesis
Chemical Name: 9,10-dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 15
CAT No:  CL-KTFR-20 CAS No: 43076-89-7 Mol Wt: 323.2 Mol F: C14H11BrO2S Inv Status: Custom Synthesis
Chemical Name: 9-Bromo-10-methoxy-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen Impurity 9
CAT No:  CL-KTFR-21 CAS No: 111428-56-9 Mol Wt: 321.2 Mol F: C14H9BrO2S Inv Status: Custom Synthesis
Chemical Name: 2-Bromo-10-methoxy-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Watermark
Ketotifen-D3 Fumarate
CAT No:  CL-KTFR-22 CAS No: 1795138-23-6 Mol Wt: 312.4 : 116.1 Mol F: C19H16D3NOS : C4H4O4 Inv Status: Custom Synthesis
Chemical Name: ?4-(1-(Methyl-d3)piperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one fumarate

info@cleanchemlab.com

+91-9324024871

Products

API Intermediates & KSM
Bile Acid Salts
Common Nitrosamines
Impurity Reference Standard
Miscalleneous Impurities
Nitrosamines & NDSRI
Peptides
Pharma Ingredients & Specialty Chemicals

Popular Links

Home About Us Our Services Contact Us
Address(India):

Plot No. A-737/2, TTC Industrial area,
MIDC, Kopar Khairne, Navi Mumbai, INDIA, 400710

           
Address(Bangladesh):

House No. - 12, Road No. - 17, Nikunja -2,
Khilkhet, Dhaka-1230, Bangladesh.

Subscribe for news letter:
  

© Cleanchem Laboratories LLP. All Rights Reserved.