Bis(4-chlorobenzyl) oxalate CAS 19829-42-6

Purity 97%+In StockPharmaceutical Standards
CAS No.19829-42-6
Molecular FormulaC16H12Cl2O4
Molecular Weight339.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bis(4-chlorobenzyl) oxalate CAS 19829-42-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 339.17 g/mol gives Bis(4-chlorobenzyl) oxalate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Bis(4-chlorobenzyl) oxalate (CAS 19829-42-6), a certified reference material (molecular formula C16H12Cl2O4, MW 339.17 g/mol) for analytical method development and quality control.

Structurally, Bis(4-chlorobenzyl) oxalate (C16H12Cl2O4) contains a flavonoid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 339.17 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Bis(4-chlorobenzyl) oxalate 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 FormulaC16H12Cl2O4
Molecular Weight339.17 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Halogen ContentCl-containing

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