2-(3-Bromobut-3-en-1-yl)-1,4-dichlorobenzene CAS 951892-82-3
| CAS No. | 951892-82-3 |
| Molecular Formula | C10H9BrCl2 |
| Molecular Weight | 279.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(3-Bromobut-3-en-1-yl)-1,4-dichlorobenzene (CAS 951892-82-3), molecular formula C10H9BrCl2 and molecular weight 279.99 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3-Bromobut-3-en-1-yl)-1,4-dichlorobenzene (C10H9BrCl2) contains chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 279.99 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 2-(3-Bromobut-3-en-1-yl)-1,4-dichlorobenzene 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 | C10H9BrCl2 |
| Molecular Weight | 279.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
Related Bromobut Standards
- 1-(3-Bromobut-3-en-1-yl)-2,4-dichlorobenzene (CAS 951892-61-8)
- 1-(3-Bromobut-3-en-1-yl)-3,5-dichlorobenzene (CAS 951893-21-3)
- 2-(3-Bromobut-3-en-1-yl)-1,3-dichlorobenzene (CAS 951892-91-4)
- 4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene (CAS 951893-03-1)
- Ethyl 2-(3-bromobut-3-en-1-yl)benzoate (CAS 731772-81-9)
- 2-(3-Bromobut-3-en-1-yl)-1,1'-biphenyl (CAS 951890-08-7)
- 1-(3-Bromobut-3-en-1-yl)-3,5-dimethoxybenzene (CAS 34217-65-7)
- 2-(3-Bromobut-3-en-1-yl)phenyl acetate (CAS 890097-76-4)
Recommended Standards
- 3-(2,4-Dichlorophenyl)-1-propene (CAS 951892-52-7)
- 2-Iodo-5-(trifluoromethyl)-1,3,4-thiadiazole (CAS 1393843-44-1)
- 2,2'-(Ethene-1,1-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 339166-89-1)
- 6,8-Difluoro-1-iodoimidazo[1,5-a]pyridine (CAS 1431163-22-2)
- Isoindoline-1,3-diol (CAS 342402-85-1)
- 5-Chloro-N-isopropyl-2-methylaniline (CAS 1019507-97-1)
- 2,4-Difluorobenzotrifluoride (CAS 64248-61-9)
- [(2-bromo-4-methylphenyl)methyl](oxolan-2-ylmethyl)amine (CAS 1549084-74-3)
- tert-Butyl 3-amino-6-chloro-1H-indole-2-carboxylate (CAS 165107-86-8)
- 3-(5-(Chloromethyl)-1,2,4-oxadiazol-3-yl)-4-methoxybenzoic acid (CAS 1119450-89-3)
- Anorexigenic Peptide (CAS 69275-10-1)
- 2-Hydroxy-5-nitrocinnamic acid, 97% (CAS 50396-49-1)
- 2-(3-Bromopropoxy)-1,4-dimethylbenzene (CAS 3245-55-4)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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