3-Methyl-6,7-dihydrobenzo[d]isoxazol-4-ol CAS 383377-52-4
| CAS No. | 383377-52-4 |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methyl-6,7-dihydrobenzo[d]isoxazol-4-ol (CAS 383377-52-4), a certified reference material (molecular formula C8H9NO2, MW 151.16 g/mol) for analytical method development and quality control.
Structurally, 3-Methyl-6,7-dihydrobenzo[d]isoxazol-4-ol (C8H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 151.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-Methyl-6,7-dihydrobenzo[d]isoxazol-4-ol 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 | C8H9NO2 |
| Molecular Weight | 151.16 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 2-Methyl-6,7-dihydrobenzo[d]oxazol-5(4H)-one (CAS 1196147-31-5)
- 3-Methyl-6,7-dihydrobenzo[d]isoxazol-5(4H)-one (CAS 154928-96-8)
- 3-Methyl-5,6-dihydrobenzo[d]isoxazol-7(4H)-one (CAS 170487-35-1)
- 2,3-Dihydrobenzo[b]thiophen-6-amine (CAS 54928-74-4)
- 2,3-Dihydrobenzo[b][1,4]dioxin-2-ol (CAS 5770-59-2)
- 2,3-Dihydrobenzo[b]thiophen-5-ol (CAS 129478-13-3)
- 6,7-Dihydrobenzo[b]thiophen-4-one (CAS 13414-95-4)
- 5,6-Dihydrobenzo[b]thiophen-7(4H)-one (CAS 1468-84-4)
Recommended Standards
- 3-Hydroxy-4-(methylamino)benzaldehyde (CAS 54903-56-9)
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- 4-(Furan-2-yl)pyrrolidin-2-one (CAS 88221-11-8)
- 3-(3-(Trifluoromethyl)-1H-1,2,4-triazol-1-yl)piperidine (CAS 1707391-91-0)
- 5-(2-(1-(Trifluoromethyl)cyclopropyl)-pyridin-4-yl)thiazol-2-amine (CAS 1395492-77-9)
- 2,4,6-Trithiocyanato-1,3,5-triazine (CAS 30863-24-2)
- Cyclophosphamide EP Impurity F (CAS 1071-28-9)
- Methyl 5-Methylpyrazole-3-carboxylate (CAS 25016-17-5)
- N-Isobutyryl-D-cysteine (CAS 124529-07-3)
- N-Isopentyl-5-methyl-3-phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 890637-77-1)
- (S)-5-(Hydroxymethyl)-3-methyloxazolidin-2-one (CAS 637343-86-3)
- 3-Amino-2-(1H-pyrrol-2-yl)quinazolin-4(3H)-one (CAS 89812-73-7)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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