2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile CAS 113336-23-5

Purity 97%+In StockPharmaceutical Standards
CAS No.113336-23-5
Molecular FormulaC5H4ClN3
Molecular Weight141.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile CAS 113336-23-5 chemical structure

Description

2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile (C5H4ClN3) contains a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile (CAS 113336-23-5), molecular formula C5H4ClN3 and molecular weight 141.56 g/mol, is a CATO reference standard with documented purity and traceability.

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), 2-(4-Chloro-1H-pyrazol-1-yl)acetonitrile 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 FormulaC5H4ClN3
Molecular Weight141.56 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
CAS Registry Year (est.)1989
Halogen ContentCl-containing
Nitrogen Atoms3

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Why CATO?