4-Carboxy-2-nitrophenylboronic Acid CAS 85107-54-6
| CAS No. | 85107-54-6 |
| Molecular Formula | C7H6BNO6 |
| Molecular Weight | 210.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 210.94 g/mol gives 4-Carboxy-2-nitrophenylboronic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Carboxy-2-nitrophenylboronic Acid (CAS 85107-54-6), molecular formula C7H6BNO6 and molecular weight 210.94 g/mol, is a CATO reference standard with documented purity and traceability.
4-Carboxy-2-nitrophenylboronic Acid (C7H6BNO6) contains a carbohydrate-derived structure, an amide group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 4-Carboxy-2-nitrophenylboronic 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 | C7H6BNO6 |
| Molecular Weight | 210.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Methylbenzylmagnesium chloride 0.25 M in Tetrahydrofuran (CAS 738580-42-2)
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- 1-[2-(propan-2-yloxy)ethyl]piperidin-4-amine (CAS 1248926-25-1)
- (1''S)-4',5',5'',6''-Tetramethyl-[1,1':3',1'':3'',1'''-quaterphenyl]-2',2''-diol (CAS 619323-98-7)
- Cinacalcet Impurity N86 (CAS 129254-76-8)
- Repaglinide N-Oxide (CAS 121167-81-5)
- 1-(3,5-Dibromo-2,4-dihydroxyphenyl)ethan-1-one (CAS 36772-98-2)
- 3-Bromo-5-methylbenzyl Alcohol (CAS 648439-19-4)
- 1-(Tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-amine (CAS 1190380-49-4)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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