6-Methyl-1H-benzo[d][1,3]oxazin-2(4H)-one CAS 695154-43-9
| CAS No. | 695154-43-9 |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6-Methyl-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 695154-43-9), molecular formula C9H9NO2 and molecular weight 163.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9NO2, 6-Methyl-1H-benzo[d][1,3]oxazin-2(4H)-one 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 163.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 6-Methyl-1H-benzo[d][1,3]oxazin-2(4H)-one 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 | C9H9NO2 |
| Molecular Weight | 163.17 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 6-Methoxyoxindole (CAS 7699-19-6)
- 6-Methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 39522-26-4)
- 6-Methoxy-3-methylbenzo[d]isoxazole (CAS 73344-39-5)
- 7-(Hydroxymethyl)isoindolin-1-one (CAS 771-07-3)
- 2-Bromo-1-(4-methoxyphenyl)butan-1-one (CAS 881-43-6)
- 3-(2,3-Difluorobenzyl)pyrrolidine (CAS 1337289-05-0)
- 5-Ethynyl-1,2,3-trimethoxybenzene (CAS 53560-33-1)
- 2,4,9-Triazaspiro[5.5]undecan-3-one (CAS 561314-56-5)
- n-(6-(1h-1,2,4-Triazol-1-yl)pyridin-3-yl)propionamide (CAS 1050801-63-2)
- 6-Chloro-2,4-dimethyl-2,3,4,9-tetrahydro-1h-carbazole (CAS 1484999-98-5)
- 3-(tert-Butyl)-1-(isoquinolin-7-yl)-1H-pyrazol-5-amine (CAS 1951451-74-3)
- 3-((1-Ethyl-1,2,3,4-tetrahydroquinolin-6-yl)methylene)chroman-4-one (CAS 75535-23-8)
- 3-(Methylsulfonyl)-1H-pyrrole (CAS 82511-59-9)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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