Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate CAS 329746-12-5

Purity 97%+In StockPharmaceutical Standards
CAS No.329746-12-5
Molecular FormulaC13H15NO5
Molecular Weight265.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate CAS 329746-12-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 265.26 g/mol gives Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate (CAS 329746-12-5), molecular formula C13H15NO5 and molecular weight 265.26 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 265.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), Ethyl 2,2-dimethyl-3-(4-nitrophenyl)-3-oxopropanoate 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 FormulaC13H15NO5
Molecular Weight265.26 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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