3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid CAS 869296-21-9

Purity 97%+In StockPharmaceutical Standards
CAS No.869296-21-9
Molecular FormulaC10H9N3O3
Molecular Weight219.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid CAS 869296-21-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 219.20 g/mol gives 3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid (CAS 869296-21-9), molecular formula C10H9N3O3 and molecular weight 219.20 g/mol, is a CATO reference standard with documented purity and traceability.

3,4-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-carboxylic Acid (C10H9N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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-Dihydro-4-oxo-pyrido[3,4-d]pyrimidine-2-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 FormulaC10H9N3O3
Molecular Weight219.20 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
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.)1987
Nitrogen Atoms3

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Why CATO?