1,2,3,9-Tetrachlorodibenzofuran CAS 83704-23-8

Purity 97%+In StockPharmaceutical Standards
CAS No.83704-23-8
Molecular FormulaC12H4Cl4O
Molecular Weight305.97 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2,3,9-Tetrachlorodibenzofuran CAS 83704-23-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 305.97 g/mol gives 1,2,3,9-Tetrachlorodibenzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,2,3,9-Tetrachlorodibenzofuran (CAS 83704-23-8), molecular formula C12H4Cl4O and molecular weight 305.97 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H4Cl4O, 1,2,3,9-Tetrachlorodibenzofuran contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 305.97 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 1,2,3,9-Tetrachlorodibenzofuran 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 FormulaC12H4Cl4O
Molecular Weight305.97 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing

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Why CATO?