Diethyl 4-methylpyridine-2,3-dicarboxylate CAS 110239-03-7

Purity 97%+In StockPharmaceutical Standards
CAS No.110239-03-7
Molecular FormulaC12H15NO4
Molecular Weight237.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Diethyl 4-methylpyridine-2,3-dicarboxylate CAS 110239-03-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 237.25 g/mol gives Diethyl 4-methylpyridine-2,3-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Diethyl 4-methylpyridine-2,3-dicarboxylate (CAS 110239-03-7), molecular formula C12H15NO4 and molecular weight 237.25 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H15NO4, Diethyl 4-methylpyridine-2,3-dicarboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.25 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).

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), Diethyl 4-methylpyridine-2,3-dicarboxylate 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 FormulaC12H15NO4
Molecular Weight237.25 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms1

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