5-fluoro-2-(1,2-oxazol-3-yl)-1H-1,3-benzodiazole CAS 1339020-09-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1339020-09-5 |
| Molecular Formula | C10H6FN3O |
| Molecular Weight | 203.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-fluoro-2-(1,2-oxazol-3-yl)-1H-1,3-benzodiazole (CAS 1339020-09-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H6FN3O. Molecular weight: 203.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H6FN3O |
| Molecular Weight | 203.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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- 4-fluoro-2-oxo-3H-1,3-benzoxazole-7-carboxylic acid (CAS 130721-79-8)
- 6-fluoro-2-oxo-3H-1,3-benzoxazole-7-carboxylic acid (CAS 1546229-90-6)
- 7-fluoro-2-oxo-3H-1,3-benzoxazole-5-carboxylic acid (CAS 1553181-67-1)
- 4-fluoro-2-oxo-3H-1,3-benzoxazole-6-carboxylic acid (CAS 1558344-82-3)
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Recommended Standards
- 4-Nitrobenzenesulfonic Acid (CAS 138-42-1)
- 2-(3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)acetonitrile (CAS 1239730-26-7)
- 4-Sulfopicolinic acid (CAS 14045-14-8)
- 2-acetyl-3-fluorocyclohex-2-en-1-one (CAS 134614-45-2)
- 2,2-Difluorobenzo[d][1,3]dioxole-4-sulfonyl chloride (CAS 89819-42-1)
- 5-Methyl-[1,2,4]triazolo[4,3-a]pyrimidine-7-carboxylic acid (CAS 916212-21-0)
- 5-Chloro-3-[(4-chlorophenyl)methyl]-1,2,4-thiadiazole (CAS 90418-16-9)
- 3,3'-Oxybis(propane-1,2-diol) (CAS 627-82-7)
- Vonoprazan Impurity 233 (CAS CATO-C4X-1020233)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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