2-ethylnaphthalene-1-carboxylic acid CAS 1999-98-0
| CAS No. | 1999-98-0 |
| Molecular Formula | C13H12O2 |
| Molecular Weight | 200.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-ethylnaphthalene-1-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.
2-ethylnaphthalene-1-carboxylic acid (CAS 1999-98-0), molecular formula C13H12O2 and molecular weight 200.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H12O2, 2-ethylnaphthalene-1-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 200.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H12O2 |
| Molecular Weight | 200.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related ethylnaphthalene Standards
- 6-Ethylnaphthalene-1,4-dione (CAS 17539-30-9)
- ethyl 8-ethylnaphthalene-1-carboxylate (CAS 945543-41-9)
- n-Ethylnaphthalene-1-sulfonamide (CAS 898645-51-7)
- N-ethylnaphthalene-2-sulfonamide (CAS 71862-50-5)
- 1-Ethylnaphthalene (CAS 1127-76-0)
- 2-Ethylnaphthalene (CAS 939-27-5)
- 2-Ethylnaphthalene-1-sulfonic acid (CAS 76214-58-9)
Recommended Standards
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- 6-Chloro-1H-pyrrolo[3,2-b]pyridine-5-carbonitrile (CAS 2231673-27-9)
- 4-[(azepan-1-yl)methyl]-5-hydroxy-2-methyl-n-(4-methylphenyl)-1-benzofuran-3-carboxamide (CAS 880440-91-5)
- N-(2-(4-Ethyl-6-oxopyrimidin-1(6H)-yl)ethyl)-6-(1H-pyrazol-1-yl)pyridazine-3-carboxamide (CAS 1396861-34-9)
- 3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzamide (CAS 328030-25-7)
- endo-Arg30-Semaglutide (CAS CATO-C4X-2226281)
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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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com