4,7-dibromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one CAS 1189817-30-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1189817-30-8 |
| Molecular Formula | C10H8Br2O2 |
| Molecular Weight | 319.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,7-dibromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one (CAS 1189817-30-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8Br2O2. Molecular weight: 319.98 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8Br2O2 |
| Molecular Weight | 319.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
Related dibromo Standards
- 7,9-Dibromo-3,4-dihydrobenzo[b]oxepin-5(2H)-one (CAS 1342486-85-4)
- 4,7-Dibromo-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 1415467-17-2)
- 4,6-Dibromo-1,3-dimethyl-1H-benzo[d]imidazol-2(3H)-one (CAS 1644148-81-1)
- 1,1'-(2,5-Dibromo-1,4-phenylene)diethanone (CAS 717883-04-0)
- 5,6-Dibromo-1,3-dimethyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 24786-53-6)
- 1,6-Dibromo-8-fluoronaphthalen-2-ol (CAS 550998-28-2)
- 1-(2,2-Dibromo-1-methylcyclopropyl)-4-methoxybenzene (CAS 52178-73-1)
- 1,11-Dibromo-3,6,9-trioxaundecane (CAS 31255-26-2)
Recommended Standards
- 2,3,4,5-Tetrafluoro-6-iodobenzoic acid (CAS 110625-15-5)
- 5-Bromo-2-iodo-3-methoxypyridine 944805-60-1 C6H5BrINO V9442 (CAS 944805-60-1)
- 5-bromanyl-3-iodanyl-2-methoxy-pyridine 5-bromo-3-iodo-2-methoxypyridine 578007-66-6 A831607 (CAS 578007-66-6)
- 6-Methyl-2-phenyl-5,6-dihydrofuro[2,3-d]pyrimidin-4(3H)-one (CAS 23378-19-0)
- 5-Acetoxymethyl-2,3-dimethylpyridine N-oxide (CAS 1159977-00-0)
- 5-(2-Aminoethoxy)-1H-benzo[d]imidazol-2(3H)-one (CAS 380198-43-6)
- Ethyl [(2-imino-1,3-thiazol-3(2H)-yl)acetyl]-carbamate (CAS 1255147-25-1)
- Ethyl 2-amino-2-(4-methoxyphenyl)acetate hydrochloride (CAS 35092-69-4)
- 6-(Bromomethyl)-4-chloro-7-methoxyquinoline-3-carbonitrile (CAS 1259017-81-6)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com