1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one CAS 92593-06-1

Purity 97%+In StockPharmaceutical Standards
CAS No.92593-06-1
Molecular FormulaC28H44N2O2
Molecular Weight440.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one CAS 92593-06-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 440.66 g/mol gives 1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one (CAS 92593-06-1) is a high-purity analytical reference standard with the molecular formula C28H44N2O2 and a molecular weight of 440.66 g/mol.

Structurally, 1-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one (C28H44N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 440.66 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)octadecan-1-one 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 FormulaC28H44N2O2
Molecular Weight440.66 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°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.)1983
Nitrogen Atoms2

Related Hydroxy Standards

Recommended Standards

Why CATO?