3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide CAS 303107-97-3

Purity 97%+In StockPharmaceutical Standards
CAS No.303107-97-3
Molecular FormulaC17H22N4O4
Molecular Weight346.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide CAS 303107-97-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 346.38 g/mol gives 3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide (CAS 303107-97-3), molecular formula C17H22N4O4 and molecular weight 346.38 g/mol, is a CATO reference standard with documented purity and traceability.

3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide (C17H22N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 3-Isopropyl-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide 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 FormulaC17H22N4O4
Molecular Weight346.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4

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