Sodium 7-methoxynaphthalene-2-sulfonate CAS 60949-02-2
| CAS No. | 60949-02-2 |
| Molecular Formula | C11H9O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sodium 7-methoxynaphthalene-2-sulfonate (CAS 60949-02-2), molecular formula C11H9O4SNa and molecular weight 260.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9O4SNa, Sodium 7-methoxynaphthalene-2-sulfonate contains a sulfone group, 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 260.24 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.
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 | C11H9O4S Na |
| Molecular Weight | 260.24 g/mol |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Sulfur Atoms | 1 |
Related Sodium Standards
- 2-Methoxynaphthalene-1-sulfinamide (CAS 102333-37-9)
- 3-Methoxynaphthalene-2-boronic acid (CAS 104115-76-6)
- 2-Methoxynaphthalene-1-boronic Acid (CAS 104116-17-8)
- 2-Methoxynaphthalene-1,3,4,5,6,7,8-d7 (CAS 1219795-25-1)
- 5-methoxynaphthalene-1-carbaldehyde (CAS 134594-22-2)
- 4-Methoxynaphthalene-1-sulfonic acid (CAS 141870-15-7)
- 3-Methoxynaphthalene-1,2-dione (CAS 14557-84-7)
- Sodium 6-methoxynaphthalene-2-sulfonate (CAS 149353-39-9)
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