7,7'-Dibromo-2,2',3,3'-tetrahydro-5,5'-bithieno[3,4-b][1,4]dioxine CAS 287924-56-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 287924-56-5 |
| Molecular Formula | C12H8Br2O4S2 |
| Molecular Weight | 440.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7,7'-Dibromo-2,2',3,3'-tetrahydro-5,5'-bithieno[3,4-b][1,4]dioxine (CAS 287924-56-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H8Br2O4S2. Molecular weight: 440.13 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H8Br2O4S2 |
| Molecular Weight | 440.13 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Dibromo Standards
- 5,7-Dibromo-2,3-diphenylquinoxaline (CAS 313067-47-9)
- 5,8-Dibromo-2,3-diphenylquinoxaline (CAS 94544-77-1)
- 4,4'-Dibromo-2,2'-dimethyl-1,1'-binaphthalene (CAS 797035-61-1)
- 4,4'-Dibromo-3,3'-dimethyl-1,1'-binaphthalene (CAS 74866-25-4)
- 4,7-Dibromo-2-(6-bromohexyl)-benzotriazole (CAS 890704-02-6)
- 1,2-Dibromo-1,2,3,3,3-pentafluoro-1-(2,2,3,3,3-pentafluoropropoxy)propane (CAS 396716-50-0)
- 3-(3,5-Dibromo-4-hydroxy-phenylimino)-5-nitro-1,3-dihydro-indol-2-one (CAS 1380572-55-3)
- 3,7-Dibromo-6-hydroxy-4-methoxy-N-phenylbenzofuran-5-carboxamide (CAS 1373132-53-6)
Recommended Standards
- 8-(Allyloxy)-1,1,1,2,2,3,3,4,4,5,5,6,6,7,7-pentadecafluorooctane (CAS 812-72-6)
- L-Proline, 5-oxo-, iron complex (CAS 85994-36-1)
- 3,3,4,4,5,5,6,6,6-Nonafluorohexyl (2,2,3,3,3-pentafluoropropyl) carbonate (CAS 1980048-74-5)
- 2-(2-(Methoxymethyl)-7-methylquinoxalin-5-yl)thiazole (CAS 2172977-48-7)
- N-(3,5-di-tert-butylphenyl)benzamide (CAS 205651-75-8)
- 2-Amino-N-((1S)-2-(dimethylamino)cyclohexyl)-N-methylpropanamide (CAS 1354028-67-3)
- Cefuroxime Sodium Impurity 29 (CAS CATO-C4X-124529)
- Tolvaptan Impurity 121 (CAS CATO-C4X-1955121)
- 7-Phenyl-2-pyrrolidin-1-yl[1,3]thiazolo[4,5-d]pyridazin-4(5H)-one (CAS 1105192-40-2)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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