1,6-Naphthyridine-5-carboxylic acid CAS 74048-24-1
| CAS No. | 74048-24-1 |
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1,6-Naphthyridine-5-carboxylic acid (CAS 74048-24-1), a certified reference material (molecular formula C9H6N2O2, MW 174.16 g/mol) for analytical method development and quality control.
1,6-Naphthyridine-5-carboxylic acid (C9H6N2O2) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 1,6-Naphthyridine-5-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
Related Naphthyridine Standards
- 1,8-Naphthyridine-3-carboxylic acid (CAS 104866-53-7)
- 1,7-Naphthyridine-8-carboxylic acid (CAS 1060816-77-4)
- 2,6-naphthyridine-3-carboxylic acid (CAS 1251103-01-1)
- 1,7-Naphthyridine-6-carboxylic acid (CAS 1368175-86-3)
- 1,8-Naphthyridine-2-carboxylic Acid (CAS 215523-34-5)
- 1,8-Naphthyridine-4-carboxylic acid (CAS 99066-71-4)
- 1,8-Naphthyridine-2-boronic Acid (CAS 1227623-09-7)
- (E)-1,5-Naphthyridine-3-carbaldehyde oxime (CAS 1261399-02-3)
Recommended Standards
- 1,4-Dimethyl-2-(trifluoromethyl)benzene (CAS 84796-70-3)
- 1,3-Dimethyl-5-(trifluoromethyl)benzene (CAS 86845-29-6)
- 1,3-Dimethyl-2-(trifluoromethyl)benzene (CAS 41818-96-6)
- 1-Ethyl-2-(trifluoromethyl)benzene (CAS 74423-01-1)
- 6-oxo-3,6-dihydropyridazine-3-carboxylic acid (CAS 36405-91-1)
- 4-Bromo-2,6-dichloro-3-nitropyridine (CAS 1807697-58-0)
- 2-Methyl-4-[(4-methylphenyl)methyl]thiomorpholine-3,5-dione (CAS 344264-73-9)
- n-Ethyl-2,3-dimethylaniline (CAS 41115-23-5)
- 1-(4-Chloro-2-fluorophenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 926206-35-1)
- 3,4-Dimethylbenzimidamide (CAS 26130-47-2)
- 4-[(2-hydroxyethyl)(methyl)amino]pyridine-2-carbonitrile (CAS 1341051-97-5)
- 9-Ethyl-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)-3H-carbazol-9-ium hydrogensulfate (CAS 85283-94-9)
- 1-(2,4,6-Trichloropyridin-3-yl)ethan-1-ol (CAS 1347759-12-9)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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