2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2 CAS 2563-26-0
| CAS No. | 2563-26-0 |
| Molecular Formula | C6H10Br2O2 |
| Molecular Weight | 273.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2.
2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2 (CAS 2563-26-0), molecular formula C6H10Br2O2 and molecular weight 273.95 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H10Br2O2, 2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2 contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 273.95 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2563-26-0 4,5-Dibromobenzene-1,2-diol 8501AD C6H4Br2O2 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 | C6H10Br2O2 |
| Molecular Weight | 273.95 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Dibromobenzene Standards
- 3,5-Dibromobenzene-1,2-diol (CAS 111167-61-4)
- 3,6-Dibromobenzene-1,2-diol (CAS 123433-20-5)
- 2,3-Dibromobenzene-1,4-diol (CAS 6363-31-1)
- 2,6-Dibromobenzene-1,4-diol (CAS 3333-25-3)
- 2,5-Dibromobenzene-1,4-diamine (CAS 25462-61-7)
- 4,5-Dibromobenzene-1,2-diamine (CAS 49764-63-8)
- 4,6-Dibromobenzene-1,3-diamine (CAS 36210-57-8)
- 2,4-Dibromobenzene-1,3,5-triol (CAS 84743-75-9)
Recommended Standards
- tert-Butyl Dibromoacetate (CAS 69713-21-9)
- 1-(4-Bromo-5-chlorothiophen-2-yl)-2-chloroethan-1-one (CAS 306935-99-9)
- Perchlorothieno[3,2-d]pyrimidine (CAS 41102-24-3)
- 2-Bromo-1-(4,5-dichlorothiophen-2-yl)ethan-1-one (CAS 63723-02-4)
- 502651-38-9 6-Oxo-6-[4-(trifluoromethyl)phenyl]hexanoic acid DTXSID90620418 (CAS 502651-38-9)
- 5-Chloro-2-methyl-1-benzothiophene-3-sulfonyl chloride (CAS 220432-04-2)
- 1-([1,3]Dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6-yl)-3-(o-tolyl)urea (CAS 1226440-92-1)
- 3-[2-(2-Fluorophenoxy)ethyl]piperidinehydrochloride (CAS 1220018-74-5)
- 2-[(1,1-dioxido-1,2-benzisothiazol-3-yl)amino]-3-methylbutanoic acid (CAS 1396968-55-0)
- 4-Fluoro-N-methyl-N-phenylbenzamide (CAS 37950-87-1)
- 4-(3-Nitrobenzenesulfonyl)piperazin-2-one (CAS 1087784-42-6)
- (2E)-3-[(4-Methylphenyl)amino]-2-(thiophen-3-yl)prop-2-enenitrile (CAS 1164478-97-0)
- 6-Bromo-4-Nitronicotinic Acid (CAS 66092-63-5)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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