5-hydroxynaphthalene-1-carboxylic acid CAS 2437-16-3
| CAS No. | 2437-16-3 |
| Molecular Formula | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-hydroxynaphthalene-1-carboxylic acid (CAS 2437-16-3), a certified reference material (molecular formula C11H18O3, MW 198.26 g/mol) for analytical method development and quality control.
5-hydroxynaphthalene-1-carboxylic acid (C11H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H18O3 |
| Molecular Weight | 198.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Related hydroxynaphthalene Standards
- 3-hydroxynaphthalene-1-carboxylic acid (CAS 19700-42-6)
- 7-hydroxynaphthalene-1-carboxylic acid (CAS 2623-37-2)
- 7-hydroxynaphthalene-2-carboxylic acid (CAS 613-17-2)
- 8-hydroxynaphthalene-2-carboxylic acid (CAS 5776-28-3)
- 4-Hydroxynaphthalene-1,3-dicarbaldehyde (CAS 933775-00-9)
- 1-Hydroxynaphthalene-2-carbohydrazide (CAS 7732-44-7)
- 2-Ethyl-3-hydroxynaphthalene-1,4-dione (CAS 29366-44-7)
- 3-Hydroxynaphthalene-2-carbohydrazide (CAS 5341-58-2)
Recommended Standards
- 5-Hexyl-5-methylhydantoin (CAS 5336-03-8)
- 5-methoxy-7-methyl-3H-benzimidazole-4-carbaldehyde (CAS 2760670-75-3)
- 5-(Tert-butyl)-2-oxocyclohexane-1-carboxylic acid (CAS 42031-70-9)
- 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid (CAS 70060-21-8)
- N,N-Dimethyl-4-oxo-1,4-dihydropyridine-3-sulfonamide (CAS 1341810-23-8)
- 4-Methyl-1,2,3,4-tetrahydro-9-acridinecarboxylic acid (CAS 436092-44-3)
- 1-[(6-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)sulfonyl]piperidine-4-carboxylic acid (CAS 697257-17-3)
- 2-Ethoxy-5-methylbenzene-1-sulfonyl chloride (CAS 187471-28-9)
- 2-(2-(2,4-Dichlorophenoxy)propanoyl)-N-(4-nitrophenyl)hydrazine-1-carbothioamide (CAS 894574-75-5)
- 2-(5-Bromo-2-methylphenyl)acetic Acid (CAS 854646-94-9)
- 1-(4-Acetylphenyl)-5-methyl-2,3-dihydro-1h-imidazol-2-one (CAS 14059-26-8)
- Vonoprazan Impurity 230 (CAS CATO-C4X-1020230)
- Terizidone Impurity 4 (CAS CATO-C4X-30544)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
Why CATO?
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