5-Fluoro-2-methoxy-1-naphthalenol CAS 741693-89-0
| CAS No. | 741693-89-0 |
| Molecular Formula | C11H9FO2 |
| Molecular Weight | 192.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Fluoro-2-methoxy-1-naphthalenol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-Fluoro-2-methoxy-1-naphthalenol (CAS 741693-89-0), molecular formula C11H9FO2 and molecular weight 192.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 5-Fluoro-2-methoxy-1-naphthalenol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 192.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 | C11H9FO2 |
| Molecular Weight | 192.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1986 |
| Halogen Content | F-containing |
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Recommended Standards
- 5-Fluoro-2-((propan-2-ylideneamino)oxy)benzonitrile (CAS 868271-04-9)
- 5-Fluoro-N-methyl-1H-indole-2-carboxamide (CAS 518059-00-2)
- 5-Acetyloxy-1,3-oxathiolane-2-carboxylic Acid (CAS 440105-45-3)
- 6-(2-Fluorophenyl)-4,5-dihydropyridazin-3(2H)-one (CAS 66549-04-0)
- 2,3,4,6,7,8-Hexahydropyrrolo[1,2-a]pyrimidine 2-(9-oxo-9H-xanthen-2-yl)propanoate (CAS 1346753-04-5)
- 2-[4-(Aminomethyl)phenyl]-2-methylpropanenitrile (CAS 1006390-32-4)
- 4-(1-Cyanocyclopropyl)phenylboronic Acid (CAS 1217501-00-2)
- 5-Bromo-2-(trifluoromethoxy)aniline (CAS 886762-08-9)
- 6-((3,7,9-Trimethyldeca-2,6-dien-1-yl)oxy)-2,3-dihydrobenzofuran (CAS 51079-41-5)
- 2-(5-(tert-Butyl)-1H-1,2,4-triazol-3-yl)acetic acid (CAS 178744-14-4)
- Temozolomide Impurity 18 (CAS 4919-04-4)
- 3,5-Bis(3-methoxyphenyl)-4-methyl-1H-pyrazole (CAS 1159937-05-9)
- Dimethyl 1-(4-fluorophenyl)-5-iodo-1H-pyrazole-3,4-dicarboxylate (CAS 618442-04-9)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
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