2-Bromo-1,3,5-benzenetricarboxylic acid - H3BTC-Br CAS 13520-03-1
| CAS No. | 13520-03-1 |
| Molecular Formula | C9H5BrO6 |
| Molecular Weight | 289.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H5BrO6, 2-Bromo-1,3,5-benzenetricarboxylic acid - H3BTC-Br 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 289.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-Bromo-1,3,5-benzenetricarboxylic acid - H3BTC-Br (CAS 13520-03-1), molecular formula C9H5BrO6 and molecular weight 289.04 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Bromo-1,3,5-benzenetricarboxylic acid - H3BTC-Br 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 | C9H5BrO6 |
| Molecular Weight | 289.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
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- Ethyl 2,3-dibromo-4-fluorobenzoate (CAS 1807041-51-5)
- 2-(2-methylphenyl)-3-oxo-5-phenylpentanenitrile (CAS 1097048-05-9)
- Ethyl Pyrazine-2-carboxylate (CAS 6924-68-1)
- 4-chloro-acetoaceticacimethylester (CAS 32807-28-6)
- 5-Fluoro-2-methoxy-4-nitrobenzaldehyde (CAS 678969-88-5)
- R-Clenbuterol Hydrochloride (CAS 50310-85-5)
- 2,4-Dibromo-1-(trifluoromethyl)benzene (CAS 7657-10-5)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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