1-(3,5-Dimethyl-1H-pyrazol-4-yl)piperazine CAS 1428233-01-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1428233-01-5
Molecular FormulaC9H16N4
Molecular Weight180.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(3,5-Dimethyl-1H-pyrazol-4-yl)piperazine CAS 1428233-01-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 180.25 g/mol gives 1-(3,5-Dimethyl-1H-pyrazol-4-yl)piperazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(3,5-Dimethyl-1H-pyrazol-4-yl)piperazine (CAS 1428233-01-5), molecular formula C9H16N4 and molecular weight 180.25 g/mol, is a CATO reference standard with documented purity and traceability.

1-(3,5-Dimethyl-1H-pyrazol-4-yl)piperazine (C9H16N4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H16N4
Molecular Weight180.25 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms4

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