5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine CAS 779353-64-9

Purity 97%+In StockPharmaceutical Standards
CAS No.779353-64-9
Molecular FormulaC8H15Cl2N3
Molecular Weight224.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine CAS 779353-64-9 chemical structure

Description

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 supplies 5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine (CAS 779353-64-9), a certified reference material (molecular formula C8H15Cl2N3, MW 224.13 g/mol) for analytical method development and quality control.

Structurally, 5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine (C8H15Cl2N3) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 224.13 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), 5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine 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 FormulaC8H15Cl2N3
Molecular Weight224.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1986
Halogen ContentCl-containing
Nitrogen Atoms3

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