2,3,5,6-Tetra(thiophen-2-yl)thieno[3,2-b]thiophene CAS 1427683-77-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1427683-77-9
Molecular FormulaC22H12S6
Molecular Weight468.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,5,6-Tetra(thiophen-2-yl)thieno[3,2-b]thiophene CAS 1427683-77-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 468.72 g/mol gives 2,3,5,6-Tetra(thiophen-2-yl)thieno[3,2-b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 2,3,5,6-Tetra(thiophen-2-yl)thieno[3,2-b]thiophene (CAS 1427683-77-9), a certified reference material (molecular formula C22H12S6, MW 468.72 g/mol) for analytical method development and quality control.

Structurally, 2,3,5,6-Tetra(thiophen-2-yl)thieno[3,2-b]thiophene (C22H12S6) contains sulfur-containing functionality, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 468.72 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC22H12S6
Molecular Weight468.72 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Sulfur Atoms6

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