2,6-Dibromo-3,5-dihydroxybenzoic acid CAS 79200-80-9
| CAS No. | 79200-80-9 |
| Molecular Formula | C7H4Br2O4 |
| Molecular Weight | 311.91 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.
2,6-Dibromo-3,5-dihydroxybenzoic acid (CAS 79200-80-9), molecular formula C7H4Br2O4 and molecular weight 311.91 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4Br2O4, 2,6-Dibromo-3,5-dihydroxybenzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 311.91 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.
As a certified reference material (CRM), 2,6-Dibromo-3,5-dihydroxybenzoic acid 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 | C7H4Br2O4 |
| Molecular Weight | 311.91 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 3,5-Dibromo-4-(difluoromethyl)picolinonitrile (CAS 1804445-37-1)
- 3,4-Dibromo-5-(difluoromethyl)picolinonitrile (CAS 1805042-12-9)
- 4,5-Dibromo-3-(difluoromethyl)picolinonitrile (CAS 1805042-24-3)
- 3,6-Dibromo-2-(difluoromethyl)isonicotinonitrile (CAS 1805316-19-1)
- 3,5-Dibromo-2,4-dihydroxybenzoic acid (CAS 3147-46-4)
- 2,6-Dibromo-3-methoxy-4-nitropyridine (CAS 2140305-69-5)
- 2,6-Dibromo-3-methoxy-5-nitropyridine (CAS 79491-46-6)
- Methyl 3,4-dibromo-5-fluorobenzoate (CAS 1160574-59-3)
Recommended Standards
- 4-Cyano-2,6-dibromo-3-(difluoromethyl)pyridine (CAS 1806877-79-1)
- 2-(3-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione (CAS 1257531-11-5)
- 2-(4-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione (CAS 1257640-97-3)
- 2-(2-Bromophenyl)-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione (CAS 1257649-57-2)
- 1'-[(tert-Butoxy)carbonyl]-[1,3'-biazetidine]-3-carboxylic acid (CAS 889952-23-2)
- Ethyl 3-bromo-4-(chlorosulfonyl)benzoate (CAS 1000932-93-3)
- (8-Bromonaphthalen-1-yl)methanol (CAS 14938-58-0)
- 2-((5,5-Dimethyl-1,4,5,6-tetrahydropyrimidin-2-yl)thio)acetic acid (CAS 942348-24-5)
- 3,4-Di-O-benzyl DL-erythro-Droxidopa Hydrochloride (CAS 73594-44-2)
- 4-Amino-5-benzoylisoxazole-3-carboxamide (CAS 76390-64-2)
- (2S,3S)-2-(Benzo[d][1,3]dioxol-5-yl)-1-ethyl-6-oxopiperidine-3-carboxylic acid (CAS 1415811-76-5)
- N-1-(4-NItrophenyl)leucinamide (CAS 16010-99-4)
- 2-Bromo-3,4-dichlorobenzophenone (CAS 951891-41-1)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
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