5-Methoxynaphthalene-1-sulfonyl chloride CAS 56875-56-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56875-56-0 |
| Molecular Formula | C11H9ClO3S |
| Molecular Weight | 256.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methoxynaphthalene-1-sulfonyl chloride (CAS 56875-56-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9ClO3S. Molecular weight: 256.71 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9ClO3S |
| Molecular Weight | 256.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxynaphthalene Standards
- 1-Methoxynaphthalene-2-sulfonyl chloride (CAS 56875-52-6)
- 4-Methoxynaphthalene-1-sulfonyl chloride (CAS 56875-55-9)
- 6-Methoxynaphthalene-1-sulfonyl chloride (CAS 66413-57-8)
- 6-Methoxynaphthalene-2-sulfonyl chloride (CAS 56875-59-3)
- 7-Methoxynaphthalene-1-sulfonyl chloride (CAS 56875-61-7)
- 7-Methoxynaphthalene-2-sulfonyl chloride (CAS 56875-60-6)
- Sodium 6-methoxynaphthalene-2-sulfonate (CAS 149353-39-9)
- 1-Benzyl-5-methoxynaphthalene (CAS 690232-00-9)
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