(5E)-1,6-bis(4-bromophenyl)-3-(dimethylamino)-5-(1-(dimethylamino)ethylidene)hex-2-ene-1,6-dione CAS 178261-64-8
| CAS No. | 178261-64-8 |
| Molecular Formula | C24H26Br2N2O2 |
| Molecular Weight | 534.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (5E)-1,6-bis(4-bromophenyl)-3-(dimethylamino)-5-(1-(dimethylamino)ethylidene)hex-2-ene-1,6-dione (C24H26Br2N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 534.28 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(5E)-1,6-bis(4-bromophenyl)-3-(dimethylamino)-5-(1-(dimethylamino)ethylidene)hex-2-ene-1,6-dione (CAS 178261-64-8), molecular formula C24H26Br2N2O2 and molecular weight 534.28 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), (5E)-1,6-bis(4-bromophenyl)-3-(dimethylamino)-5-(1-(dimethylamino)ethylidene)hex-2-ene-1,6-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C24H26Br2N2O2 |
| Molecular Weight | 534.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 6396-07-2 Phosphorane, diiodotriphenyl- 4-16-00-01013 (Beilstein Handbook Reference) BRN 2740417 Diiodotriphenylphosphorane Iodotriphenylphosphoranium iodide (CAS 6396-07-2)
- N-[3-(Dimethylamino)Propyl]-1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-Pentadecafluoroheptane-1-Sulphonamide (CAS 67584-54-7)
- 2-((4-Chloro-N-(2,4-dichloro-5-methoxyphenyl)phenyl)sulfonamido)-N-(4-chlorophenyl)acetamide (CAS 338961-40-3)
- CAS 2247993-78-6 (CAS 2247993-78-6)
- 7-Amino-3-(1H-benzo[d]imidazol-2-yl)-2H-chromen-2-one (CAS 31911-20-3)
- 3-(3-Chloro-5-fluorophenyl)acrylic acid (CAS 773132-05-1)
- Methyl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 6375-89-9)
- Argatroban Impurity 71 (CAS CATO-C4X-100771)
- Methyl 1-(2-((tert-butoxycarbonyl)amino)ethyl)-1H-1,2,3-triazole-4-carboxylate (CAS 1613134-38-5)
- N-(2-phenoxyethyl)tetrahydro-2H-pyran-4-amine (CAS 1245710-87-5)
- 1-(2-hydroxyethyl)-5-phenyl-1H-pyrazole-4-carboxylic acid (CAS 1292636-75-9)
- 4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butan-2-one (CAS 778647-06-6)
- 9-[4-(5,5-Dimethyl-1,3-dioxan-2-yl)butyryl]anthracene (CAS 898757-50-1)
- Ephrin-A2-Selective YSA-Peptide (CAS 532441-10-4)
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 18665070610 / Nicole.chen@cato-chem.com