2-Bromo-4,6-difluorobenzoic acid CAS 651026-99-2
| CAS No. | 651026-99-2 |
| Molecular Formula | C7H3BrF2O2 |
| Molecular Weight | 237.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-4,6-difluorobenzoic 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.
CATO supplies 2-Bromo-4,6-difluorobenzoic acid (CAS 651026-99-2), a certified reference material (molecular formula C7H3BrF2O2, MW 237.00 g/mol) for analytical method development and quality control.
Structurally, 2-Bromo-4,6-difluorobenzoic acid (C7H3BrF2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/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 237.00 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H3BrF2O2 |
| Molecular Weight | 237.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| 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.) | 1985 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 5-Bromo-3,4-difluoro-2-hydroxybenzaldehyde (CAS 1206969-61-0)
- 2-Bromo-3,6-difluorobenzoic acid (CAS 124244-65-1)
- 3-Bromo-4,5-difluorobenzoic Acid (CAS 1244642-73-6)
- 3-Bromo-2,5-difluorobenzoic acid (CAS 1520538-81-1)
- 2-Bromo-3,4-difluorobenzoic Acid (CAS 170108-05-1)
- 4-Bromo-2,6-difluorobenzoic Acid (CAS 183065-68-1)
- 6-Bromo-2,3-difluorobenzoic acid (CAS 183065-72-7)
- 5-Bromo-2,3-difluoro-4-hydroxybenzaldehyde (CAS 1895190-72-3)
Recommended Standards
- 2-Bromo-3,5-difluorobenzoic acid (CAS 651027-01-9)
- 3-Bromo-2,4-difluorobenzoic acid (CAS 651026-98-1)
- 2-Amino-6-iodopyrimidin-4(3H)-one (CAS 59524-88-8)
- 3-Bromo-2,6-difluorobenzoic Acid (CAS 28314-81-0)
- 4,8-Dichloro-5-methoxy-2-propylquinoline (CAS 1189105-73-4)
- Ethyl 2-amino-5-(dimethylphosphoryl)benzoate (CAS 2580231-61-2)
- 5-Iodo-1H-indene-1,3(2H)-dione (CAS 27117-94-8)
- Tadalafil Impurity 98 (CAS CATO-C4X-108798)
- 5-Bromo-1H-indole-7-carboxylic acid (CAS 860624-90-4)
- 4-(1-chloroethyl)-1,2-difluorobenzene (CAS 221031-54-5)
- N-(4-Phenylcyclohex-3-en-1-yl)benzamide (CAS 1820711-63-4)
- Bis(4-hydroxyphenyl)acetic Acid (CAS 40232-93-7)
- Piperazine, 2-methyl-, polymer with 1,3-diisocyanatomethylbenzene and 2-methyloxirane (CAS 63641-77-0)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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