1,3-Dibromo-2,5-dichlorobenzene CAS 81067-41-6
| CAS No. | 81067-41-6 |
| Molecular Formula | C6H2Br2Cl2 |
| Molecular Weight | 304.79 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.
CATO supplies 1,3-Dibromo-2,5-dichlorobenzene (CAS 81067-41-6), a certified reference material (molecular formula C6H2Br2Cl2, MW 304.79 g/mol) for analytical method development and quality control.
Structurally, 1,3-Dibromo-2,5-dichlorobenzene (C6H2Br2Cl2) contains chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 304.79 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H2Br2Cl2 |
| Molecular Weight | 304.79 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl/Br-containing |
Related Dibromo Standards
- 1,3-Dibromo-2,4-dichlorobenzene (CAS 100191-19-3)
- 1,4-Dibromo-2,3-dichlorobenzene (CAS 100191-20-6)
- 1,5-Dibromo-2,4-dichlorobenzene (CAS 100191-21-7)
- 1,2-Dibromo-3,6-dichlorobenzene (CAS 100191-22-8)
- 1,2-Dibromo-3,4-dichlorobenzene (CAS 100191-48-8)
- 2,5-Dibromo-1,3-dichlorobenzene (CAS 19393-97-6)
- 1,2-Dibromo-3,5-dichlorobenzene (CAS 81067-40-5)
- 1,2-Dibromo-4,5-dichlorobenzene (CAS 73557-66-1)
Recommended Standards
- 1,4-Dibromo-2,5-dichlorobenzene (CAS 4571-24-8)
- 1,5-Dibromo-2,3-dichlorobenzene (CAS 81067-42-7)
- 1-(Benzylcarbamothioyl)-N-(3-chlorophenyl)formamide (CAS 329079-21-2)
- 2-(Benzylamino)-N-(4-chlorophenyl)-2-thioxoacetamide (CAS 380626-11-9)
- Methyl 3-(aminomethyl)-4-fluoro-1-benzothiophene-2-carboxylate hydrochloride (CAS 1305711-69-6)
- (S)-3-Hydroxy Warfarin (CAS 124952-36-9)
- 2-(methylamino)propane-1,3-diol (CAS CATO-CIM-105902)
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- (4-Methyl-1H-benzo[d]imidazol-2-yl)methanamine dihydrochloride (CAS 1269087-76-4)
- 2-(3-Isopropyl-1-methyl-1h-1,2,4-triazol-5-yl)pentan-2-amine (CAS 1341597-86-1)
- 3-(2,6-Difluorophenyl)-1h-1,2,4-triazol-5-amine (CAS 1016713-07-7)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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