1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) CAS 1703-23-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1703-23-7
Molecular FormulaC8H12Cl2N2O2
Molecular Weight239.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) CAS 1703-23-7 chemical structure

Description

Structurally, 1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) (C8H12Cl2N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 239.10 g/mol, it falls into the medium-molecular-weight range. 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).

1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) (CAS 1703-23-7) is a high-purity analytical reference standard with the molecular formula C8H12Cl2N2O2 and a molecular weight of 239.10 g/mol.

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), 1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) 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 FormulaC8H12Cl2N2O2
Molecular Weight239.10 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms2

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