2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophe… 126939-25-1

Name: 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Brand: Vaqora Chemicals
SKU: VQ-031394

About 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one

2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one is an impurity of Ketotifen carrying the CAS registry number 126939-25-1. Its molecular formula is C13H7BrOS and its molecular weight is 291.16 g/mol. The IUPAC name is 5-bromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-one.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ketotifen, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

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	2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Catalogue No.	VQ-031394
CAS Number	126939-25-1
IUPAC name	5-bromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-one
Molecular formula	C₁₃H₇BrOS
Molecular weight	291.16 g/mol
Exact mass	289.9401
Grade	Reference Standard
HSN code	38229090
InChIKey	GEMIJYIZSIKGMP-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC3=C(C2=O)C=C(S3)Br
PubChem CID	827093

Physical properties
Physical form	Solid
LogP (XLogP3)	4.6
H-bond donors / acceptors	0 / 2
TPSA	45.3 Å²

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 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

The CAS Registry Number of 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one is 126939-25-1.

What is the molecular formula and molecular weight of 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one has the molecular formula C13H7BrOS and a molecular weight of 291.16 g/mol. Its IUPAC name is 5-bromo-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,8,10,12-hexaen-2-one.

What is 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one used for?

2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 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 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one can I order?

We supply 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 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 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

Yes. Every lot of 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 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 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one be shipped internationally?

Yes. We export 2-Bromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.