3,4,6-Tribromo-5-methylbenzene-1,2-diol CAS 56759-56-9
| CAS No. | 56759-56-9 |
| Molecular Formula | C7H5Br3O2 |
| Molecular Weight | 360.83 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.
3,4,6-Tribromo-5-methylbenzene-1,2-diol (CAS 56759-56-9), molecular formula C7H5Br3O2 and molecular weight 360.83 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 3,4,6-Tribromo-5-methylbenzene-1,2-diol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 360.83 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3,4,6-Tribromo-5-methylbenzene-1,2-diol 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 | C7H5Br3O2 |
| Molecular Weight | 360.83 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1973 |
| Halogen Content | Br-containing |
Related Tribromo Standards
- 2,4,6-Tribromo-3-(hydroxymethyl)phenol (CAS 2316-63-4)
- 2,4,6-Tribromo-3-methoxyphenol (CAS 24967-79-1)
- 2,4,6-Tribromo-5-methylbenzene-1,3-diol (CAS 3163-24-4)
- 2,3,5-Tribromo-6-ethoxypyridine (CAS 887571-04-2)
- 2,4,6-Tribromo-3-methoxyaniline (CAS 36255-23-9)
- 1,2,3-Tribromo-5-nitrobenzene (CAS 3460-20-6)
- 1,2,4-Tribromo-5-nitrobenzene (CAS 89365-48-0)
- 1,3,5-Tribromo-2-nitrobenzene (CAS 3463-40-9)
Recommended Standards
- 4-[3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]-1-oxa-4-azaspiro[4.5]decane (CAS 329702-13-8)
- n-Benzyl-2-chloro-n-[4-(4-fluorophenyl)-1,3-thiazol-2-yl]acetamide (CAS 730976-67-7)
- Choline Fenofibrate Impurity 30 (CAS CATO-C4X-101830)
- 2-(4-Chloro-2-methylphenoxy)-N-(2-morpholinophenyl)acetamide (CAS 529501-79-9)
- Methyl 19-methyleicosanoate (CAS 95799-86-3)
- rac 4-Bocamino-2-benzyl-butyric acid, 98% (CAS 1015070-59-3)
- N-[(E)-2-(3-{[(4-chlorophenyl)methyl]sulfanyl}-6-methyl-1,2,4-triazin-5-yl)ethenyl]-4-methylaniline (CAS 477866-56-1)
- 4-(3-(4,6-Dimethylpyrimidin-2-yl)guanidino)benzoic acid (CAS 354994-01-7)
- 1-(4-(3-Chlorophenyl)thiazol-2-yl)guanidine (CAS 123309-82-0)
- (S)-2-Amino-3-(quinolin-4-yl)propanoic acid (CAS 137855-78-8)
- Iohexol EP Impurity N (CAS CATO-C4X-166410)
- (8-Amino-2,3-dihydrobenzo[b][1,4]dioxin-5-yl)methanol (CAS 935534-14-8)
- 4-(4,5-Dimethyl-1H-imidazol-2-yl)aniline (CAS 937660-36-1)
- Hippocampal Cholinergic Neurostimulating Peptide (CAS 140158-49-2)
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