2,3-Difluoro-5-methoxypyridine CAS 1227573-20-7
| CAS No. | 1227573-20-7 |
| Molecular Formula | C6H5F2NO |
| Molecular Weight | 145.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Difluoro-5-methoxypyridine (C6H5F2NO) contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2,3-Difluoro-5-methoxypyridine (CAS 1227573-20-7), molecular formula C6H5F2NO and molecular weight 145.11 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,3-Difluoro-5-methoxypyridine 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.
Physical & Chemical Properties
| Molecular Formula | C6H5F2NO |
| Molecular Weight | 145.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoro Standards
- (2,6-Difluoro-3-pyridyl)methanol (CAS 1105510-11-9)
- 3,5-Difluoro-2-methoxypyridine (CAS 1171918-06-1)
- 2,6-Difluoro-4-methoxypyridine (CAS 1184172-35-7)
- 3,5-Difluoro-4-methoxypyridine (CAS 1186195-24-3)
- 2,5-Difluoro-4-methoxypyridine (CAS 1210868-65-7)
- 3,6-Difluoro-2-methoxypyridine (CAS 1214323-06-4)
- 2,6-Difluoro-3-methoxypyridine (CAS 1214331-52-8)
- 2,3-Difluoro-6-methoxypyridine (CAS 1227564-48-8)
Recommended Standards
- 2,4-Difluoro-6-methoxypyridine (CAS 1227574-25-5)
- 3,4-Difluoro-2-methoxypyridine (CAS 1227574-42-6)
- (2,3-Difluoropyridin-4-yl)methanol (CAS 1227579-07-8)
- (2,5-Difluoropyridin-3-yl)methanol (CAS 1227588-79-5)
- (3S,6R)-Methyl 6-methylpiperidine-3-carboxylate hydrochloride (CAS 1951445-14-9)
- 3-(5,5,6-Trimethylbicyclo[2.2.1]heptan-2-yl)cyclohexyl acrylate (CAS 903876-45-9)
- 2-(2-Oxocyclopentyl)acetyl chloride (CAS 1824151-73-6)
- (R)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid (CAS 228857-58-7)
- Amorolfine Impurity 39 (CAS CATO-C4X-154239)
- 2-(4-(Aminomethyl)phenoxy)-1-morpholinoethan-1-one (CAS 926224-62-6)
- Metaraminol Impurity 26 (CAS CATO-C4X-225226)
- 2-(4-Bromonaphthalen-1-yl)acetonitrile (CAS 30098-50-1)
- 4-PPBP maleate, 98% (CAS 207572-62-1)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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