4,12-Dibromo[2.2]paracyclophane CAS 23927-40-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23927-40-4 |
| Molecular Formula | C16H14Br2 |
| Molecular Weight | 366.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,12-Dibromo[2.2]paracyclophane (CAS 23927-40-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H14Br2. Molecular weight: 366.09 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H14Br2 |
| Molecular Weight | 366.09 g/mol |
| Appearance | Pale yellow to 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 4,16-Dibromo[2.2]paracyclophane (CAS 96392-77-7)
- 5,11-Dibromo-5,6,11,12-tetrahydrodibenzo[a,e][8]annulene (CAS 94275-22-6)
- 1,8-Dibromo-2-methyl-9H-fluoren-9-one (CAS 127375-23-9)
- 2,3-Dibromo-5-ethoxy-4-isopropoxybenzaldehyde (CAS 832674-18-7)
- 2,3-Dibromo-5-ethoxy-4-propoxybenzaldehyde (CAS 832674-11-0)
- 2-[3,5-Dibromo-4-(propan-2-yloxy)phenyl]-1,3-dioxolane (CAS 2221812-17-3)
- 3,6-Dibromo-8-methyl-2-phenylimidazo[1,2-a]pyridine (CAS 2404733-66-8)
- 3,7-Dibromo-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one (CAS 226946-20-9)
Recommended Standards
- Tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene, 5,11-dibromo-, stereoisomer (CAS 196316-30-0)
- 2,2,3,3,4,4,5,5,6,6,7,7,7-tridecafluoroheptane-1,1-diol (CAS 64739-16-8)
- Tetrachlorobisphenol A (CAS 79-95-8)
- 5-(4-Bromophenyl)pyrimidin-2-amine (CAS 31483-56-4)
- 5-[(2-Fluorophenyl)methyl]-2-[(1H-1,2,4-triazol-1-yl)methyl]pyrimidine-4,6-diamine (CAS 338965-24-5)
- Starch BRP (CAS 9005-84-9)
- 3-(4-Aminophenyl)-1,2,4-oxadiazol-5(2h)-one (CAS 864680-71-7)
- 3-Methyl-1-(m-tolyl)-1H-pyrazol-5-ol (CAS 2235-75-8)
- 3-(((2,6-Dichlorobenzyl)thio)methyl)-4-ethyl-5-((4-nitrobenzyl)thio)-4H-1,2,4-triazole (CAS 344270-95-7)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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