Benzofuro[6,5-d]oxazole CAS 20419-35-6
| CAS No. | 20419-35-6 |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Benzofuro[6,5-d]oxazole.
Benzofuro[6,5-d]oxazole (CAS 20419-35-6), molecular formula C9H5NO2 and molecular weight 159.14 g/mol, is a CATO reference standard with documented purity and traceability.
Benzofuro[6,5-d]oxazole (C9H5NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; 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).
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), Benzofuro[6,5-d]oxazole 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 | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Benzofuro Standards
- Benzofuro[5,4-d]oxazole (CAS 115422-75-8)
- Benzofuro[6,5-d]isoxazole (CAS 153965-77-6)
- 2H-Benzofuro[2,3-d][1,2,3]triazole (CAS 33080-67-0)
- 2H-Benzofuro[4,5-d][1,2,3]triazole (CAS 210-91-3)
- Benzofuro[4,5-c]isoxazole (CAS 64399-46-8)
- Benzofuro[4,5-d]oxazole (CAS 50511-87-0)
- Benzofuro[5,6-d]isoxazole (CAS 267-57-2)
- Benzofuro[5,6-d]oxazole (CAS 25885-38-5)
Recommended Standards
- Benzofuro[6,7-d]isoxazole (CAS 211-48-3)
- Benzofuro[6,7-d]oxazole (CAS 25885-39-6)
- Benzofuro[7,6-d]isoxazole (CAS 210-98-0)
- Benzofuro[7,6-d]oxazole (CAS 66037-80-7)
- 2-(5-Bromo-1h-indol-3-yl)ethan-1-amine (CAS 3610-42-2)
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- 2-Chloro-N-[3-(dimethylsulfamoyl)phenyl]acetamide (CAS 379255-29-5)
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