1-(2-Chloro-5-methylphenyl)piperazine CAS 321602-26-0

Purity 97%+In StockPharmaceutical Standards
CAS No.321602-26-0
Molecular FormulaC11H15ClN2
Molecular Weight210.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(2-Chloro-5-methylphenyl)piperazine CAS 321602-26-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 210.70 g/mol gives 1-(2-Chloro-5-methylphenyl)piperazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(2-Chloro-5-methylphenyl)piperazine (CAS 321602-26-0) is a high-purity analytical reference standard with the molecular formula C11H15ClN2 and a molecular weight of 210.70 g/mol.

Structurally, 1-(2-Chloro-5-methylphenyl)piperazine (C11H15ClN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 210.70 g/mol, it falls into the medium-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.

As a certified reference material (CRM), 1-(2-Chloro-5-methylphenyl)piperazine 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 FormulaC11H15ClN2
Molecular Weight210.70 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, 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
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2

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