(1Z,3Z)-1,4-Dibromo-1,4-diphenylbuta-1,3-diene CAS 55373-68-7
| CAS No. | 55373-68-7 |
| Molecular Formula | C16H12Br2 |
| Molecular Weight | 364.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1Z,3Z)-1,4-Dibromo-1,4-diphenylbuta-1,3-diene (CAS 55373-68-7) is a high-purity analytical reference standard with the molecular formula C16H12Br2 and a molecular weight of 364.07 g/mol.
Based on its molecular formula C16H12Br2, (1Z,3Z)-1,4-Dibromo-1,4-diphenylbuta-1,3-diene contains bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 364.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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), (1Z,3Z)-1,4-Dibromo-1,4-diphenylbuta-1,3-diene 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 | C16H12Br2 |
| Molecular Weight | 364.07 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
Recommended Standards
- 2,7-Dibromo-4,5,9,10-tetrahydropyrene (CAS 17533-36-7)
- 1,14-Dibromo-3,6,9,12-tetraoxatetradecane (CAS 57602-02-5)
- tert-Butyl 3,5-bis(bromomethyl)benzoate (CAS 156597-80-7)
- 3,6-Dibromo-1-methylphenanthrene (CAS 52650-97-2)
- N-hydroxy-3-(trifluoromethyl)benzimidamide (CAS 40067-80-9)
- 7-Isopropyl-2-methyl-1H-indole (CAS 432025-17-7)
- n-(2-Hydroxypropyl)-3-(2-oxopyridin-1(2h)-yl)propanamide (CAS 1153282-73-5)
- (2R,3R,4S,5S)-2-(6-Amino-9H-purin-9-yl)-5-(((4-nitrophenyl)thio)methyl)tetrahydrofuran-3,4-diol (CAS 71732-41-7)
- (R)-2-Acetamido-2-(4-fluorophenyl)aceticacid (CAS 136814-99-8)
- 2-Bromo-3-chloro-5H-pyrrolo[2,3-b]pyrazine (CAS 1569514-98-2)
- (2-Phenylcyclopropyl)(pyridin-2-yl)methanone (CAS 338401-33-5)
- Methyl 5-(tosylmethyl)furan-2-carboxylate (CAS 897775-93-8)
- 4-(4-Methoxybenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 1708401-70-0)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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