4-Bromobenzene-1,2,3-triol CAS 17345-72-1
| CAS No. | 17345-72-1 |
| Molecular Formula | C6H5BrO3 |
| Molecular Weight | 205.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromobenzene-1,2,3-triol 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.
4-Bromobenzene-1,2,3-triol (CAS 17345-72-1), molecular formula C6H5BrO3 and molecular weight 205.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromobenzene-1,2,3-triol (C6H5BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, 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 205.01 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C6H5BrO3 |
| Molecular Weight | 205.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
Related Bromobenzene Standards
- 5-Bromobenzene-1,2,3-triol (CAS 16492-75-4)
- 2-Bromobenzene-1,3,5-triol (CAS 84743-77-1)
- 3-Bromobenzene-1,2,4-triol (CAS 99910-88-0)
- 5-Bromobenzene-1,2,4-triol (CAS 98138-58-0)
- 3-bromobenzene-1,2-dicarbonitrile (CAS 76241-80-0)
- 5-Bromobenzene-1,2,3-triamine (CAS 1121586-23-9)
- methyl 3-bromobenzene-1-carboximidate (CAS 785719-23-5)
- 3-BROMOBENZENE-1-THIOL 3-BROMOBENZENETHIOL 3-BROMOPHENYL MERCAPTAN 3-BROMOTHIOPHENOL 6320-01-0 BC003193 M-BROMOBENZENETHIOL (CAS 6320-01-0)
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