6-tert-Butyl-2-methyl-3,4-dihydro-2h-1,4-benzoxazin-3-one CAS 862249-75-0
| CAS No. | 862249-75-0 |
| Molecular Formula | C13H17NO2 |
| Molecular Weight | 219.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-tert-Butyl-2-methyl-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 862249-75-0) is a high-purity analytical reference standard with the molecular formula C13H17NO2 and a molecular weight of 219.28 g/mol.
Structurally, 6-tert-Butyl-2-methyl-3,4-dihydro-2h-1,4-benzoxazin-3-one (C13H17NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 219.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H17NO2 |
| Molecular Weight | 219.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 6-Methyl-2-phenylquinoline (CAS 27356-46-3)
- 8-(PIPERAZIN-1-YL)-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE (CAS 98224-30-7)
- 6-Ethoxy-N-isopropyl-1H-benzo[d]imidazol-2-amine (CAS 233605-85-1)
- 8-Methyl-2-phenylquinoline (CAS 5353-90-2)
- 2-Aminothiazol-5(2H)-one (CAS 857969-56-3)
- 6-((Methylthio)methyl)-2-(pyridin-2-yl)pyrimidin-4-ol (CAS 477886-09-2)
- 2-(furan-2-yl)propanenitrile (CAS 24954-01-6)
- Norepinephrine Impurity 22 (CAS 1197-09-7)
- Ethyl 6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)hexanoate (CAS 1339928-17-4)
- Bumetanide Impurity 85 (CAS CATO-C4X-198685)
- 5-Decanoyl-2-hydroxybenzoic acid (CAS 78418-02-7)
- 7-Methyl-2-naphthol (CAS 26593-50-0)
- 6-Fluoro-3,4-dihydro-2H-1,4-benzothiazine (CAS 1551174-98-1)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
Why CATO?
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