3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine CAS 899406-66-7

Purity 97%+In StockPharmaceutical Standards
CAS No.899406-66-7
Molecular FormulaC19H22ClN5
Molecular Weight355.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine CAS 899406-66-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 355.86 g/mol gives 3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine (CAS 899406-66-7), molecular formula C19H22ClN5 and molecular weight 355.86 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C19H22ClN5, 3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 355.86 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.

CATO manufactures 3-(4-Chlorophenyl)-7-(4-ethylpiperazin-1-yl)-5-methylpyrazolo[1,5-a]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC19H22ClN5
Molecular Weight355.86 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms5

Related Chlorophenyl Standards

Recommended Standards

Why CATO?