1-(p-Tolyl)-4,5-dihydro-1H-pyrazole CAS 34946-99-1

Purity 97%+In StockPharmaceutical Standards
CAS No.34946-99-1
Molecular FormulaC10H12N2
Molecular Weight160.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(p-Tolyl)-4,5-dihydro-1H-pyrazole CAS 34946-99-1 chemical structure

Description

1-(p-Tolyl)-4,5-dihydro-1H-pyrazole (CAS 34946-99-1) is a high-purity analytical reference standard with the molecular formula C10H12N2 and a molecular weight of 160.22 g/mol.

Based on its molecular formula C10H12N2, 1-(p-Tolyl)-4,5-dihydro-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 160.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures 1-(p-Tolyl)-4,5-dihydro-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC10H12N2
Molecular Weight160.22 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms2

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