N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide CAS 75077-06-4

Purity 97%+In StockPharmaceutical Standards
CAS No.75077-06-4
Molecular FormulaC7H11N3O
Molecular Weight153.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide CAS 75077-06-4 chemical structure

Description

Based on its molecular formula C7H11N3O, N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 153.18 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).

N-(5-Ethyl-4-methyl-1H-pyrazol-3-yl)formamide (CAS 75077-06-4) is a high-purity analytical reference standard with the molecular formula C7H11N3O and a molecular weight of 153.18 g/mol.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC7H11N3O
Molecular Weight153.18 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978
Nitrogen Atoms3

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