1-Ethyl-1H-pyrazol-5-amine CAS 3528-58-3

Purity 97%+In StockPharmaceutical Standards
CAS No.3528-58-3
Molecular FormulaC5H9N3
Molecular Weight111.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethyl-1H-pyrazol-5-amine CAS 3528-58-3 chemical structure

Description

1-Ethyl-1H-pyrazol-5-amine (C5H9N3) contains 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).

CATO supplies 1-Ethyl-1H-pyrazol-5-amine (CAS 3528-58-3), a certified reference material (molecular formula C5H9N3, MW 111.15 g/mol) for analytical method development and quality control.

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-Ethyl-1H-pyrazol-5-amine 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 FormulaC5H9N3
Molecular Weight111.15 g/mol
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1958
Nitrogen Atoms3

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