1,1'-(4-Bromobutylidene)Bis[4-Fluorobenzene] CAS 57668-61-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57668-61-8 |
| Molecular Formula | C11H11N5O |
| Molecular Weight | 229.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-(4-Bromobutylidene)Bis[4-Fluorobenzene] (CAS 57668-61-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H11N5O. Molecular weight: 229.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H11N5O |
| Molecular Weight | 229.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1973 |
| Nitrogen Atoms | 5 |
Recommended Standards
- 1-(4,6-Diamino-1,3,5-triazin-2-yl)-2-phenylethanone (CAS 197571-72-5)
- 1,5-Diamino-4-(1H-benzimidazol-2-yl)-1,2-dihydro-3H-pyrrol-3-one (CAS 885457-79-4)
- 5-(5-Nitrofuran-2-yl)-1,3,4-thiadiazole-2(3H)-thione (CAS 16865-27-3)
- 5-Chloro-2-methoxy-3-methylpyridin-4-amine (CAS 2450343-15-2)
- 2-(2,4-Dichlorophenyl)-2-methylpropanenitrile (CAS 71679-41-9)
- Fmoc-allo-Thr-OH (CAS 146306-75-4)
- 2-Oxo-1,2-dihydropyrido[2,3-b]pyrazine-3-carboxylic acid (CAS 91997-11-4)
- (2,5-Dimethoxyphenyl)(pyridin-2-yl)methanone (CAS 64306-56-5)
- n-(4-Iodophenyl)isoxazole-3-carboxamide (CAS 1249743-38-1)
- Cycloaspeptide D (CAS 691363-62-9)
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