Methyl 3-Formyl-1H-pyrazole-5-carboxylate CAS 75436-40-7

Purity 97%+In StockPharmaceutical Standards
CAS No.75436-40-7
Molecular FormulaC6H6N2O3
Molecular Weight154.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 3-Formyl-1H-pyrazole-5-carboxylate CAS 75436-40-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 154.12 g/mol gives Methyl 3-Formyl-1H-pyrazole-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Methyl 3-Formyl-1H-pyrazole-5-carboxylate (CAS 75436-40-7), a certified reference material (molecular formula C6H6N2O3, MW 154.12 g/mol) for analytical method development and quality control.

Based on its molecular formula C6H6N2O3, Methyl 3-Formyl-1H-pyrazole-5-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 154.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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), Methyl 3-Formyl-1H-pyrazole-5-carboxylate 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 FormulaC6H6N2O3
Molecular Weight154.12 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978
Nitrogen Atoms2

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