2,3,6-Tribromobenzoic acid CAS 21739-99-1
| CAS No. | 21739-99-1 |
| Molecular Formula | C7H3Br3O2 |
| Molecular Weight | 358.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3,6-Tribromobenzoic acid (CAS 21739-99-1), molecular formula C7H3Br3O2 and molecular weight 358.81 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3,6-Tribromobenzoic acid (C7H3Br3O2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 358.81 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3,6-Tribromobenzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H3Br3O2 |
| Molecular Weight | 358.81 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
Related Tribromobenzoic Standards
Recommended Standards
- 1-(2-Chloro-4-fluorophenoxy)-3-tosylpropan-2-ol (CAS 478079-86-6)
- Ethyl 2-chloro-5-oxo-5H-benzo[4,5]thiazolo[3,2-a][1,8]naphthyridine-6-carboxylate (CAS 881633-93-8)
- 2,4-Dimethyl 3-[(4-chlorophenyl)carbamoyl]-1,3-thiazolidine-2,4-dicarboxylate (CAS 318247-35-7)
- 4-Chloro-2-cyclopentylphenyl-β-D-galactopyranoside (CAS 24718-43-2)
- 1-Boc-1,2,3,6-tetrahydropyridine-4-carboxylic Acid (CAS 70684-84-3)
- 5-(Piperidin-1-ylmethyl)furan-2-carbaldehyde (CAS 15433-82-6)
- Benzyl (S)-2-amino-4-((tert-butoxycarbonyl)amino)butanoate hydrochloride (CAS 2044702-45-4)
- Bumetanide Impurity 46 (CAS 28328-56-5)
- 5-Bromo-1-isopropylpyridin-2(1H)-one (CAS 851087-08-6)
- 3-Isopropyl-1H-1,2,4-triazole-5-carboxylic acid (CAS 944906-51-8)
- N-(3-(1H-Benzo[d]imidazol-2-yl)-1H-pyrazol-4-yl)-2,6-dimethylbenzamide (CAS 825616-51-1)
- 1-(Methylamino)-3-(4-nitrophenoxy)propan-2-ol hydrochloride (CAS 1235440-99-9)
- (2,3-Difluoro-4-(hexyloxy)phenyl)boronic acid (CAS 121219-20-3)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com