2,2,7,7-Tetrabromo-9,9-spirobifluorene CAS 128055-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128055-74-3 |
| Molecular Formula | C25H12Br4 |
| Molecular Weight | 631.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,2,7,7-Tetrabromo-9,9-spirobifluorene (CAS 128055-74-3) pharmaceutical standards reference standard. Molecular formula: C25H12Br4. Molecular weight: 631.98 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C25H12Br4 |
| Molecular Weight | 631.98 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Related Tetrabromo Standards
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18-hexahydrodibenzo[b,h][1,4,7,10,13]penta (CAS 302929-47-1)
- 4,5,6,7-Tetrabromo-3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one (CAS 13027-28-6)
- 1,2,3,5-Tetrabromo-4-(2,5-dibromophenoxy)benzene (CAS 446255-00-1)
- 2,2',7,7'-Tetrabromo-9,9'-bifluorenylidene (CAS 27192-91-2)
- 2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 152-75-0)
- 3,3',6,6'-Tetrabromo-9,9'-bicarbazole (CAS 18628-03-0)
- 2,3,13,14-Tetrabromo-6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine (CAS 40100-11-6)
- 2,3,6,7-Tetrabromo-1,4,5,8-tetrahydroxyanthracene-9,10-dione (CAS 106897-88-5)
Recommended Standards
- Iopromide Impurity 9 (CAS 111453-32-8)
- Tetrabromobisphenol A Bis(2-hydroxyethyl) Ether (CAS 4162-45-2)
- 2,6,14-Triiodo-9,10-dihydro-9,10-[1,2]benzenoanthracene (CAS 910324-13-9)
- 2-(Bicyclo[1.1.1]Pentan-1-yl)ethan-1-ol (CAS 2091785-54-3)
- 1-methoxyhex-5-yn-3-amine (CAS 1248088-99-4)
- N-(3,5-bis(trifluoromethyl)phenyl)-2-bromoacetamide (CAS 99468-72-1)
- 7-Methoxy-N-(3-methylisothiazol-5-yl)benzofuran-2-carboxamide (CAS 1219911-58-6)
- Methyl 1-(3,4-Dimethoxyphenyl)-4-oxocyclohexanecarboxylate (CAS 1385694-65-4)
- [1,4'-Bipiperidine]-4-carbonitrile (CAS 930604-25-4)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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