5-trifluoromethyl-2h-pyraZole-3-carboxylic acid hydrazide CAS 1159770-06-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1159770-06-5
Molecular FormulaC5H5F3N4O
Molecular Weight194.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-trifluoromethyl-2h-pyraZole-3-carboxylic acid hydrazide CAS 1159770-06-5 chemical structure

Description

Owing to an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 5-trifluoromethyl-2h-pyraZole-3-carboxylic acid hydrazide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 194.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO supplies 5-trifluoromethyl-2h-pyraZole-3-carboxylic acid hydrazide (CAS 1159770-06-5), a certified reference material (molecular formula C5H5F3N4O, MW 194.11 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), 5-trifluoromethyl-2h-pyraZole-3-carboxylic acid hydrazide 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 FormulaC5H5F3N4O
Molecular Weight194.11 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1989
Halogen ContentF-containing
Nitrogen Atoms4

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