3-Hydroxy-6-methoxy-1,2-benzisoxazole CAS 89942-57-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89942-57-4 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Hydroxy-6-methoxy-1,2-benzisoxazole (CAS 89942-57-4) pharmaceutical standards reference standard. Molecular formula: C8H7NO3. Molecular weight: 165.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-6-methyl-1,2-dihydro-pyrazolo[3,4-b]pyridin-3-one (CAS 116081-20-0)
- 6-Hydroxy-4-methylbenzo[d]oxazol-2(3H)-one (CAS 1231749-32-8)
- 4-hydroxy-1-methyl-1,2-dihydro-3H-pyrazolo[3,4-b]pyridin-3-one (CAS 1305712-64-4)
- 5-Hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 177210-33-2)
- 8-Hydroxy-3,4-dihydro-2H-1,3-benzoxazin-2-one (CAS 1779842-32-8)
- 7-Hydroxy-3,4-dihydro-2H-1,3-benzoxazin-2-one (CAS 1783742-44-8)
- 4-Hydroxy-2-methoxybenzo[d]oxazole (CAS 1804412-50-7)
- 2-Hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one (CAS 23520-34-5)
Recommended Standards
- 3-Hydroxy-5-methylpyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 2795141-07-8)
- 3-Methoxy-3H-purin-6-amine (CAS 225640-39-1)
- 3-Amino-4-cyano-1-methyl-1h-pyrrole-2-carboxylic acid (CAS 923255-40-7)
- O-(2-(3-(trifluoromethyl)phenoxy)ethyl)hydroxylamine hydrochloride (CAS 113211-36-2)
- 2',5'-Dimethoxy-[1,1'-biphenyl]-3-carboxylic acid (CAS 925909-06-4)
- (Tetrahydro-2h-pyran-4-yl)(o-tolyl)methanamine (CAS 1343470-62-1)
- 5-(4-Bromophenyl)-1H-imidazol-2-amine hemisulfate (CAS 1177346-50-7)
- Humantenidine (CAS 114027-39-3)
- 4-Chloro-2-ethoxybenzoic acid (CAS 1195264-76-6)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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