Benzo[b]benzo[4,5]thieno[2,3-d]thiophene CAS 248-70-4

Purity 97%+In StockPharmaceutical Standards
CAS No.248-70-4
Molecular FormulaC14H8S2
Molecular Weight240.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Benzo[b]benzo[4,5]thieno[2,3-d]thiophene CAS 248-70-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 240.34 g/mol gives Benzo[b]benzo[4,5]thieno[2,3-d]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Benzo[b]benzo[4,5]thieno[2,3-d]thiophene (CAS 248-70-4) is a high-purity analytical reference standard with the molecular formula C14H8S2 and a molecular weight of 240.34 g/mol.

Owing to sulfur-containing functionality, a polycyclic aromatic system, Benzo[b]benzo[4,5]thieno[2,3-d]thiophene is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 240.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures Benzo[b]benzo[4,5]thieno[2,3-d]thiophene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC14H8S2
Molecular Weight240.34 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Sulfur Atoms2

Related Benzo Standards

Recommended Standards

Why CATO?