5-Fluoro-2-methyl-6-nitrobenzo[d]oxazole CAS 40703-40-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40703-40-0 |
| Molecular Formula | C8H5FN2O3 |
| Molecular Weight | 196.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-2-methyl-6-nitrobenzo[d]oxazole (CAS 40703-40-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H5FN2O3. Molecular weight: 196.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H5FN2O3 |
| Molecular Weight | 196.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1968 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 5-Fluoro-7-nitro-2-oxyindole (CAS 1082990-05-3)
- 3-Fluoro-5-methoxy-4-nitrobenzonitrile (CAS 1137869-92-1)
- 5-Fluoro-2-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-6-carboxylic acid (CAS 1190315-87-7)
- 3-Fluoro-4-methoxy-5-nitrobenzonitrile (CAS 1255783-15-3)
- 7-Fluoro-5-nitroindolin-2-one (CAS 1266336-47-3)
- 6-Fluoro-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1388060-01-2)
- 3-Fluoro-5-methoxy-2-nitrobenzonitrile (CAS 2167773-78-4)
- 4-Fluoro-3-methoxy-2-nitrobenzonitrile (CAS 887202-43-9)
Recommended Standards
- 5-Fluoro-1-(furan-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 62396-95-6)
- 5-Fluoro-4-methoxy-2-nitrobenzonitrile (CAS 2168328-64-9)
- 4-fluoro-5-methoxy-2-nitrobenzonitrile (CAS 2060006-03-1)
- tert-Butyl 3-(aminomethyl)azetidine-1-carboxylateHCl (CAS 1173206-71-7)
- N-(2,3-dichlorophenyl)-2-((1-phenyl-1H-tetrazol-5-yl)thio)acetamide (CAS 306732-16-1)
- 3-[1-(4-tert-Butylbenzoyl)piperidin-4-yl]-4-[(4-fluorophenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775542-06-7)
- 1-(2-Chloropyridin-4-yl)cyclopropanol (CAS 1492031-45-4)
- Naphtho[2,3-a]coronene (CAS 190-74-9)
- 2-[(4-methylphenyl)methoxy]acetic acid (CAS 51934-40-8)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com