(2-Methoxy-5-nitrophenyl)boronic acid CAS 677746-35-9
| CAS No. | 677746-35-9 |
| Molecular Formula | C7H8BNO5 |
| Molecular Weight | 196.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2-Methoxy-5-nitrophenyl)boronic acid (CAS 677746-35-9) is a high-purity analytical reference standard with the molecular formula C7H8BNO5 and a molecular weight of 196.95 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, (2-Methoxy-5-nitrophenyl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 196.95 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), (2-Methoxy-5-nitrophenyl)boronic 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 | C7H8BNO5 |
| Molecular Weight | 196.95 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 3-Methoxy-4-nitrophenylboronic acid (CAS 1377248-58-2)
- (3-Methoxy-5-nitrophenyl)boronic acid (CAS 2851877-07-9)
- (4-Methoxy-2-nitrophenyl)boronic acid (CAS 860034-09-9)
- 2-Methoxy-4-nitrophenylboronic Acid (CAS 949892-13-1)
- 4-Methoxy-3-nitrophenylboronic Acid (CAS 827614-67-5)
- 5-Methoxy-2-nitrophenylboronic acid (CAS 860033-98-3)
- 5-Methoxy-6-nitrobenzo[d][1,3]dioxole (CAS 10310-02-8)
- 2-Methoxy-3-nitrobenzoic acid (CAS 40751-88-0)
Recommended Standards
- (2-(Hydroxymethyl)-5-nitrophenyl)boronic acid (CAS 914397-70-9)
- 422-39-9 2,2-Dichloro-3,3,3-trifluoropropanoic acid DTXSID50546564 (CAS 422-39-9)
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