Ketotifen

Name: Ketotifen
Brand: Vaqora Chemicals
SKU: VQ-037820

About Ketotifen

Ketotifen (CAS 34580-13-7) is a high-purity reference standard of Ketotifen offered by Vaqora Chemicals. With the molecular formula C19H19NOS, it has a molar mass of 309.4 g/mol. The IUPAC name is 2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one. It is also known as Ketotifene or Ketotiphene.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Ketotifen standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ketotifen is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ketotifen

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

Ketotifen impurities

Specifications & identifiers

Chemical identifiers
Product name	Ketotifen
Catalogue No.	VQ-037820
CAS Number	34580-13-7
IUPAC name	2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Molecular formula	C₁₉H₁₉NOS
Molecular weight	309.4 g/mol
Exact mass	309.1187
Grade	Reference Standard
HSN code	38229090
InChIKey	ZCVMWBYGMWKGHF-UHFFFAOYSA-N
SMILES	CN1CCC(=C2C3=C(C(=O)CC4=CC=CC=C42)SC=C3)CC1
PubChem CID	3827

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	0 / 3
TPSA	48.6 Å²
Synonyms	Ketotifene, 4,9-Dihydro-4-(1-methyl-4-piperidinylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, Ketotiphene, 10-(1-methylpiperidin-4-ylidene)-5H-benzo[1,2]cyclohepta[3,4-b]thiophen-4-one, 10-(1-methylpiperidin-4-ylidene)-5H-benzo(1,2)cyclohepta(3,4-b)thiophen-4-one, 4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo(4,5)-cyclohepta(1,2-b)thiophen-10-one, 4-(1-methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one, 4-(1-Methyl-4-piperidinylidene)-4H-benzo[4,5]cyclohepta[1,2-d]thiophene-10(9H)-one, 4-(1-Methyl-4-piperidylidene)-9-hydrobenzo[a]thiopheno[3,2-d][7]annulen-10-one, 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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?

The CAS Registry Number of Ketotifen is 34580-13-7. It is also known as Ketotifene, 4,9-Dihydro-4-(1-methyl-4-piperidinylidene)-10H-benzo(4,5)cyclohepta(1,2-b)thiophen-10-one, 4,9-dihydro-4-(1-methyl-4-piperidinylidene)-10h-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one.

What is the molecular formula and molecular weight of Ketotifen?

Ketotifen has the molecular formula C19H19NOS and a molecular weight of 309.4 g/mol. Its IUPAC name is 2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one.

What is Ketotifen used for?

Ketotifen 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 can I order?

We supply Ketotifen 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?

Yes. Every lot of Ketotifen 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 be shipped internationally?

Yes. Ketotifen is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.