3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile CAS 477709-76-5

Purity 97%+In StockPharmaceutical Standards
CAS No.477709-76-5
Molecular FormulaC10H13N3O
Molecular Weight191.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile CAS 477709-76-5 chemical structure

Description

3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile (CAS 477709-76-5), molecular formula C10H13N3O and molecular weight 191.23 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile (C10H13N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 191.23 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile 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 FormulaC10H13N3O
Molecular Weight191.23 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.)2025
Nitrogen Atoms3

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