Ketotifen EP Impurity A

Name: Ketotifen EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-026317

About Ketotifen EP Impurity A

Ketotifen EP Impurity A is a pharmacopeial impurity of Ketotifen carrying the CAS registry number 4673-38-5. Its molecular formula is C19H19NS and its molecular weight is 293.4 g/mol. Systematically, it is named 1-methyl-4-(6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-ylidene)piperidine. Common synonyms include Ketotifen Fumarate EP Impurity A and Ketotifen Fumarate - Impurity A.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Ketotifen to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ketotifen EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ketotifen

View every impurity, metabolite and intermediate we list for Ketotifen.

Ketotifen impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ketotifen EP Impurity A
Catalogue No.	VQ-026317
CAS Number	4673-38-5
IUPAC name	1-methyl-4-(6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-ylidene)piperidine
Molecular formula	C₁₉H₁₉NS
Molecular weight	293.4 g/mol
Exact mass	293.1238
Grade	Reference Standard
HSN code	38229090
InChIKey	HRIKDQASFPAXJS-UHFFFAOYSA-N
SMILES	CN1CCC(=C2C3=C(C=CC4=CC=CC=C42)SC=C3)CC1
PubChem CID	67928004

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	0 / 2
TPSA	31.5 Å²
Synonyms	Ketotifen Fumarate EP Impurity A, Ketotifen Fumarate - Impurity A, 10-Deoxo-9,10-dehydro Ketotifen, 4-(4H-Benzo[4,5]cyclohepta[1,2-b]thien-4-ylidene)-1-methylpiperidine, 4-(4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-methylpiperidine

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ketotifen EP Impurity A?

The CAS Registry Number of Ketotifen EP Impurity A is 4673-38-5. It is also known as Ketotifen Fumarate EP Impurity A, Ketotifen Fumarate - Impurity A, 10-Deoxo-9,10-dehydro Ketotifen.

What is the molecular formula and molecular weight of Ketotifen EP Impurity A?

Ketotifen EP Impurity A has the molecular formula C19H19NS and a molecular weight of 293.4 g/mol. Its IUPAC name is 1-methyl-4-(6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-ylidene)piperidine.

What is Ketotifen EP Impurity A used for?

Ketotifen EP Impurity A is supplied as a characterised reference material related to Ketotifen. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Ketotifen EP Impurity A can I order?

We supply Ketotifen EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ketotifen EP Impurity A?

Yes. Every lot of Ketotifen EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ketotifen EP Impurity A be shipped internationally?

Yes. We export Ketotifen EP Impurity A worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.