Ketotifen Impurity 14

Name: Ketotifen Impurity 14
Brand: Vaqora Chemicals
SKU: VQ-037824

About Ketotifen Impurity 14

Ketotifen Impurity 14 (CAS 34580-10-4) is an impurity of Ketotifen offered by Vaqora Chemicals. Formula C13H8Br2OS, molecular weight 372.08 g/mol. The IUPAC name is 8,9-dibromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one. Common synonyms include Letrozole Impurity 62.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Ketotifen impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Ketotifen Impurity 14 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Ketotifen

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

Ketotifen impurities

Specifications & identifiers

Chemical identifiers
Product name	Ketotifen Impurity 14
Catalogue No.	VQ-037824
CAS Number	34580-10-4
IUPAC name	8,9-dibromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one
Molecular formula	C₁₃H₈Br₂OS
Molecular weight	372.08 g/mol
Exact mass	371.8642
Grade	Reference Standard
HSN code	38229090
InChIKey	FMLHOINVMYQJPG-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(C(C3=C(C2=O)C=CS3)Br)Br
PubChem CID	2780821

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	0 / 2
TPSA	45.3 Å²
Synonyms	9,10-dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-Dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[b]thiophen-4-one, Letrozole Impurity 62, 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one,9,10-dibromo-9,10-dihydro-, 9,10-dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[ 1,2-b]thiophen-4-one

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 Impurity 14?

The CAS Registry Number of Ketotifen Impurity 14 is 34580-10-4. It is also known as 9,10-dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-Dibromo-9,10-dihydro-4H-benzo[4,5]cyclohepta[b]thiophen-4-one, Letrozole Impurity 62.

What is the molecular formula and molecular weight of Ketotifen Impurity 14?

Ketotifen Impurity 14 has the molecular formula C13H8Br2OS and a molecular weight of 372.08 g/mol. Its IUPAC name is 8,9-dibromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one.

What is Ketotifen Impurity 14 used for?

Ketotifen Impurity 14 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 Impurity 14 can I order?

We supply Ketotifen Impurity 14 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 Impurity 14?

Yes. Every lot of Ketotifen Impurity 14 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 Impurity 14 be shipped internationally?

Yes. We export Ketotifen Impurity 14 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.