6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione CAS 488726-65-4
| CAS No. | 488726-65-4 |
| Molecular Formula | C16H11Br2NO3 |
| Molecular Weight | 425.07 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.
6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione (CAS 488726-65-4) is a high-purity analytical reference standard with the molecular formula C16H11Br2NO3 and a molecular weight of 425.07 g/mol.
Based on its molecular formula C16H11Br2NO3, 6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 425.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione 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 | C16H11Br2NO3 |
| Molecular Weight | 425.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Crisaborole impurity 110 (CAS CATO-C4X-2021110)
- Declaben (CAS 111149-90-7)
- (E)-3-(2,6-dichlorophenyl)-5-(2-((2,4-dichlorophenyl)amino)vinyl)isoxazole-4-carbonitrile (CAS 338402-63-4)
- 2-(Dibromomethyl)-1-nitroanthracene-9,10-dione (CAS 6941-85-1)
- (R)-6-Bromo-4-methyl-4,5-dihydro-1H-benzo[b][1,4]diazepin-2(3H)-one (CAS 1884712-55-3)
- Mercury(II) perchlorate trihydrate,99.00% (CAS 73491-34-6)
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2-hydroxy-2-methyl-4-(methylthio)butyl)urea (CAS 1396853-49-8)
- 2-Chlorooxazolo[4,5-c]pyridine hydrochloride (CAS 1956310-04-5)
- 2,2-Difluoro-2-(4-fluorophenyl)acetic Acid (CAS 94010-78-3)
- 4-Methyl-3-(methylsulfinyl)-5-(thiophen-2-yl)-4H-1,2,4-triazole (CAS 116850-55-6)
- Benzyl 3-(chlorosulfonyl)pyrrolidine-1-carboxylate (CAS 1035173-74-0)
- N-{2-[2-(sec-Butyl)phenoxy]ethyl}-4-(2-cyclohexylethoxy)aniline (CAS 1040692-97-4)
- N1-(2,4-Dinitrophenyl)-3,6,9,12,15,18,21,24,27-nonaoxanonacosane-1,29-diamine (CAS 2187509-51-7)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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