4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide CAS 81253-04-5

Purity 97%+In StockPharmaceutical Standards
CAS No.81253-04-5
Molecular FormulaC15H10N3O3
Molecular Weight280.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide CAS 81253-04-5 chemical structure

Description

The occurrence of 4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide (CAS 81253-04-5), a certified reference material (molecular formula C15H10N3O3, MW 280.26 g/mol) for analytical method development and quality control.

Structurally, 4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide (C15H10N3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 280.26 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), 4-Pyridinecarboxylic acid, 2-(1,3-dihydro-1,3-dioxo-2H-inden-2-ylidene)hydrazide 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 FormulaC15H10N3O3
Molecular Weight280.26 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°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)12.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Nitrogen Atoms3

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