Benzofuro[7,6-d]isoxazole CAS 210-98-0
| CAS No. | 210-98-0 |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Benzofuro[7,6-d]isoxazole is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Benzofuro[7,6-d]isoxazole (CAS 210-98-0), molecular formula C9H5NO2 and molecular weight 159.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5NO2, Benzofuro[7,6-d]isoxazole contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 159.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Benzofuro[7,6-d]isoxazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1957 |
| 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]oxazole (CAS 25885-39-6)
- Benzofuro[7,6-d]oxazole (CAS 66037-80-7)
- Benzofuro[6,7-d]isoxazole (CAS 211-48-3)
- Ceftazidime Impurity 22 (CAS 5408-04-8)
- 4-(6-(Phenylamino)pyridin-3-yl)pyrimidin-2-amine (CAS 1227158-52-2)
- 1-methyl-2-(propan-2-yl)-1H-1,3-benzodiazole (CAS 52460-28-3)
- Methyl 2-(1-(pyridin-3-ylmethyl)piperidin-4-yl)acetate (CAS 946699-25-8)
- Halometasone Monohydrate (CAS 1310709-74-0)
- cis-4-Hydroxy TamoxifenDiscontinued (CAS 174592-47-3)
- Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 99446-40-9)
- 3-Nitrobenzimidamide (CAS 3459-99-2)
- Etrasimod Impurity 39 (CAS 2863533-38-2)
- 7-Bromo-2-chloro-4-methoxyquinoline (CAS 847900-61-2)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
Why CATO?
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