6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione CAS 488726-65-4
Purity 97%+In StockPharmaceutical Standards
| 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
6,8-Dibromo-3-(3,4-dimethylphenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione (CAS 488726-65-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H11Br2NO3. Molecular weight: 425.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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)
- (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)
- 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)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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