1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid CAS 2138301-76-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2138301-76-3
Molecular FormulaC19H28N4O4
Molecular Weight376.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid CAS 2138301-76-3 chemical structure

Description

The occurrence of 1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 2138301-76-3) is a high-purity analytical reference standard with the molecular formula C19H28N4O4 and a molecular weight of 376.45 g/mol.

Based on its molecular formula C19H28N4O4, 1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 376.45 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), 1-(5-(5-(Ethoxycarbonyl)-1-ethyl-3-methyl-1H-pyrazol-4-yl)pentyl)-3-methyl-1H-pyrazole-5-carboxylic acid 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 FormulaC19H28N4O4
Molecular Weight376.45 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1997
Nitrogen Atoms4

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