9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]th… 1622-55-5

Name: 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Brand: Vaqora Chemicals
SKU: VQ-031390

About 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one

9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one is an impurity of Ketotifen carrying the CAS registry number 1622-55-5. With the molecular formula C13H10OS, it has a molar mass of 214.28 g/mol. Systematically, it is named 6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one. Common synonyms include 9,10-dihydro-1-thiabenzo[f]azulen-4-one and 9,10-dihydro-1-thia-benzo[f]azulene-4-one.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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	9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
Catalogue No.	VQ-031390
CAS Number	1622-55-5
IUPAC name	6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one
Molecular formula	C₁₃H₁₀OS
Molecular weight	214.28 g/mol
Exact mass	214.0452
Grade	Reference Standard
HSN code	38229090
InChIKey	JAGBUENUSNSSFW-UHFFFAOYSA-N
SMILES	C1CC2=C(C=CS2)C(=O)C3=CC=CC=C31
PubChem CID	768492

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	0 / 2
TPSA	45.3 Å²
Synonyms	4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dihydro-, 4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene, 4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[b]-thiophen-4-one, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90per cent), 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene, 9,10-dihydro-1-thiabenzo[f]azulen-4-one, 9,10-dihydro-1-thia-benzo[f]azulene-4-one, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[b] -thiophen-4-one, 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]-4-thiophenone

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 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

The CAS Registry Number of 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one is 1622-55-5. It is also known as 4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dihydro-, 4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene, 4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one.

What is the molecular formula and molecular weight of 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one has the molecular formula C13H10OS and a molecular weight of 214.28 g/mol. Its IUPAC name is 6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-2-one.

What is 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one used for?

9,10-Dihydro-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 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one can I order?

We supply 9,10-Dihydro-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 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one?

Yes. Every lot of 9,10-Dihydro-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 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one be shipped internationally?

Yes. We export 9,10-Dihydro-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.