4-Hydroxy-7-methyl-1,8-naphthyridine-3-carboxylic acid CAS 13250-97-0
| CAS No. | 13250-97-0 |
| Molecular Formula | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H8N2O3, 4-Hydroxy-7-methyl-1,8-naphthyridine-3-carboxylic acid 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 204.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 supplies 4-Hydroxy-7-methyl-1,8-naphthyridine-3-carboxylic acid (CAS 13250-97-0), a certified reference material (molecular formula C10H8N2O3, MW 204.18 g/mol) for analytical method development and quality control.
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-Hydroxy-7-methyl-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 Formula | C10H8N2O3 |
| Molecular Weight | 204.18 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 methanol, ethanol, DMSO |
| 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.) | 1960 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 4-hydroxy-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 1006492-88-1)
- 3-Acetyl-7-hydroxy-2H-chromen-2-one (CAS 10441-27-7)
- 3-Hydroxy-4-phenyl-1H-pyrazole-5-carboxylic acid (CAS 1144488-84-5)
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- 4-Hydroxy-6-methylquinazoline-8-carboxylic acid (CAS 1269421-64-8)
- 2-[hydroxy(4-nitrophenyl)methyl]prop-2-enenitrile (CAS 127489-24-1)
- 4-Hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 139713-59-0)
- 5-Hydroxy-2-methoxynaphthalene-1,4-dione (CAS 15127-94-3)
Recommended Standards
- 2-(5-phenyl-1,3,4-oxadiazol-2-yl)acetic acid (CAS 131467-94-2)
- 7-Methyl-4-oxo-3,4-dihydro-1,8-naphthyridine-3-carboxylic acid (CAS 13317-11-8)
- Methyl 3-amino-1-oxo-1H-isoindole-5-carboxylate (CAS 127511-08-4)
- 2-(Furan-3-yl)-4-methylpyrimidine-5-carboxylic acid (CAS 1343794-88-6)
- Methyl 3-((1,1-dioxidotetrahydrothiophen-3-yl)amino)propanoate hydrochloride (CAS 1179474-10-2)
- 5-Methoxy-2-benzylbenzimidazole (CAS 40608-76-2)
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- 7-Chloro-4,5-dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one (CAS 258850-08-7)
- ethyl 2-amino-5-(trifluoromethyl)thiophene-3-carboxylate (CAS 1481609-27-1)
- 1-(2-Methyl-1H-benzo[d]imidazol-5-yl)ethanone (CAS 13535-47-2)
- (2R-3R-4S-5R-6S)-3-4-5-Trihydroxy-2-hydroxymethyl-7-9-diaza-1-oxa-spiro[4-5]decane-10-one-8-thione (CAS 189633-62-3)
- N-C12-desoxymethylsphingosine (CAS 1246298-55-4)
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