6-Methyl-1,2-benzisoxazol-3-ol CAS 66571-26-4
| CAS No. | 66571-26-4 |
| Molecular Formula | C8H7NO2 |
| Molecular Weight | 149.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 6-Methyl-1,2-benzisoxazol-3-ol 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.
6-Methyl-1,2-benzisoxazol-3-ol (CAS 66571-26-4), molecular formula C8H7NO2 and molecular weight 149.15 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methyl-1,2-benzisoxazol-3-ol (C8H7NO2) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7NO2 |
| Molecular Weight | 149.15 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 4-Methyl-1,2-benzisoxazol-3(2H)-one (CAS 1195552-73-8)
- 5-Methyl-1,2-benzisoxazol-3(2H)-one (CAS 65685-49-6)
- 1,2-BENZISOXAZOL-3(2H)-ONE 1,2-BENZISOXAZOL-3-OL 1,2-BENZOXAZOL-3-OL 21725-69-9 3-HYDROXY-1,2-BENZISOXAZOLE AS06287 benzo[d]isoxazol-3-ol (CAS 21725-69-9)
- 1,2-Benzisoxazol-6-ol (CAS 65685-55-4)
- 1,2-Benzisoxazol-3-amine (CAS 36216-80-5)
- 1,2-Benzisoxazol-3-ylacetyl chloride 84637-43-4 (CAS 84637-43-4)
- 2-(3-Phenyl-2,1-benzisoxazol-5-yl)-2H-tetrazole-5-carboxylic Acid (CAS 951896-38-1)
Recommended Standards
- 6-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-amine (CAS 27471-24-5)
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- 6-Methyl-[1,2,4]triazolo[4,3-a]pyridin-3-ol (CAS 4926-19-6)
- 6-Methyl-1H-pyrazolo[3,4-b]pyridin-3(2H)-one (CAS 28491-63-6)
- Methyl 2-(1-aminoethylidene)-6,6,6-trifluoro-5-oxohex-3-enoate (CAS 215657-66-2)
- (Z)-3-(3,4-Dimethoxyphenyl)-2-(pyridin-3-yl)acrylonitrile (CAS 149286-90-8)
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- 3-(1H-indol-3-yl)-1H-1,2,4-triazol-5-amine (CAS 1374407-88-1)
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- ([13C6]Leu14)-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802078-39-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com