2-Bromo-4,5-dichlorophenol CAS 2316-56-5
| CAS No. | 2316-56-5 |
| Molecular Formula | C6H3BrCl2O |
| Molecular Weight | 241.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-4,5-dichlorophenol 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.
2-Bromo-4,5-dichlorophenol (CAS 2316-56-5), molecular formula C6H3BrCl2O and molecular weight 241.90 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-4,5-dichlorophenol (C6H3BrCl2O) contains a hydroxyl group, an ether linkage, 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 241.90 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C6H3BrCl2O |
| Molecular Weight | 241.90 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 3-Bromo-2,5-dichlorophenol (CAS 1034709-00-6)
- 6-bromo-3,5-dichloropyridin-2-amine (CAS 105751-20-0)
- 5-Bromo-4,6-dichloro-2-methylpyrimidine (CAS 1086376-43-3)
- 4-Bromo-3,5-dichloropyridin-2-amine (CAS 1232430-80-6)
- 2-Bromo-5,6-dichloropyridin-3-amine (CAS 1253889-50-7)
- 2-Bromo-3,5-dichlorophenol (CAS 13659-22-8)
- 3-Bromo-2,6-dichloropyridin-4-amine (CAS 1404439-00-4)
- 5-Bromo-3,4-dichloropyridin-2-amine (CAS 1607837-98-8)
Recommended Standards
- 2-Bromo-3,6-dichlorophenol (CAS 63862-91-9)
- 3-Amino-6-bromo-2,4-dichloropyridine (CAS 237435-16-4)
- 2,4-Dichloro-6-bromophenol (CAS 4524-77-0)
- 4-Bromo-2,6-dichlorophenol (CAS 3217-15-0)
- Benzyl N-[1-(hydroxymethyl)cyclopropyl]carbamate (CAS 103500-22-7)
- 1-{3-[(2-chlorophenyl)methoxy]phenyl}piperazine dihydrochloride (CAS 1803581-77-2)
- 3,6-Dichloro-4-(pyridin-4-yl)pyridazine (CAS 202931-70-2)
- (3-(N,N-Diethylsulfamoyl)-5-methoxyphenyl)boronic acid (CAS 871333-03-8)
- 2-(4-Amino-5-(trifluoromethyl)pyridin-2-yl)acetic acid (CAS 1807099-63-3)
- 2-Chloro-1-(2,2,4,7-tetramethylquinolin-1(2H)-yl)ethan-1-one (CAS 28745-09-7)
- 1-(3-Chloro-4-hydroxyphenyl)-5-methoxy-1H-pyrazole-3-carboxamide (CAS 77935-72-9)
- 1-(6-Bromoindolin-1-yl)ethanone (CAS 114744-53-5)
- 1-Ethyl-4-(3-fluorobenzyl)piperazine (CAS 414877-20-6)
- Semaglutide impurity 215 (CAS CATO-C4X-2226215)
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