2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene CAS 1019983-99-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1019983-99-3
Molecular FormulaC20H14S2
Molecular Weight318.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene CAS 1019983-99-3 chemical structure

Description

The occurrence of 2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene is closely related to sulfur-containing functionality, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene (CAS 1019983-99-3), molecular formula C20H14S2 and molecular weight 318.46 g/mol, is a CATO reference standard with documented purity and traceability.

2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene (C20H14S2) contains sulfur-containing functionality, a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

As a certified reference material (CRM), 2,8-Dimethylanthra[2,3-b:6,7-b']dithiophene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H14S2
Molecular Weight318.46 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Sulfur Atoms2

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