1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid CAS 13317-12-9

Purity 97%+In StockPharmaceutical Standards
CAS No.13317-12-9
Molecular FormulaC11H10N2O3
Molecular Weight218.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid CAS 13317-12-9 chemical structure

Description

The occurrence of 1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (CAS 13317-12-9) is a high-purity analytical reference standard with the molecular formula C11H10N2O3 and a molecular weight of 218.21 g/mol.

Structurally, 1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (C11H10N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 218.21 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), 1,7-Dimethyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-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 FormulaC11H10N2O3
Molecular Weight218.21 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 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.)1960
Nitrogen Atoms2

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