4-(Fluorosulfonyl)-1-hydroxy-2-naphthoic acid CAS 839-78-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 839-78-1 |
| Molecular Formula | C11H7FO5S |
| Molecular Weight | 270.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Fluorosulfonyl)-1-hydroxy-2-naphthoic acid (CAS 839-78-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7FO5S. Molecular weight: 270.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H7FO5S |
| Molecular Weight | 270.23 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Oxo-6-(thiophen-2-yl)-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile (CAS 22123-11-1)
- 4-(Furan-2-yl)-2-mercapto-6-(trifluoromethyl)nicotinonitrile (CAS 438218-38-3)
- (5-oxo-3a,4,6,6a-tetrahydro-1H-pentalen-2-yl) trifluoromethanesulfonate (CAS 2417112-66-2)
- Methyl (2S,4S)-4-phenoxy-2-pyrrolidinecarboxylate hydrochloride (CAS 93967-76-1)
- 3-[1-(4-ethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-3-oxopropanenitrile (CAS 554407-01-1)
- 1-((3-Bromo-4-methoxyphenyl)sulfonyl)pyrrolidine (CAS 332354-62-8)
- (4,4-Dimethyl-pyrrolidin-3-yl)-carbamic acid tert-butyl ester hydrochloride (CAS 2097068-47-6)
- 2-Methylserotonin (CAS 78263-90-8)
- 3-(3-Bromophenyl)-1-(3-(trifluoromethyl)phenyl)propan-1-one (CAS 898760-54-8)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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