(4-Methyl-3,5-Dinitrophenyl)boronic acid CAS 28249-49-2
| CAS No. | 28249-49-2 |
| Molecular Formula | C7H7BN2O6 |
| Molecular Weight | 225.95 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.
(4-Methyl-3,5-Dinitrophenyl)boronic acid (CAS 28249-49-2), molecular formula C7H7BN2O6 and molecular weight 225.95 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, an amide group, (4-Methyl-3,5-Dinitrophenyl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 225.95 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (4-Methyl-3,5-Dinitrophenyl)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 | C7H7BN2O6 |
| Molecular Weight | 225.95 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- (2-Methyl-3,5-dinitrophenyl)boronic acid (CAS 24341-76-2)
- (4-Methyl-2,6-dinitrophenyl)boronic acid (CAS 245729-69-5)
- 2-(2,6-Dinitrophenyl)acetic acid (CAS 37777-63-2)
- 2-(3,5-Dinitrophenyl)acetic acid (CAS 67688-83-9)
- 2,4-Dinitrophenyl acetate (CAS 4232-27-3)
- N1-(2,4-Dinitrophenyl)ethane-1,2-diamine (CAS 28767-75-1)
- N-(2,3-dinitrophenyl)acetamide (CAS 60956-27-6)
- N-(2,4-dinitrophenyl)acetamide (CAS 610-53-7)
Recommended Standards
- 4-Iodo-3-methyl-5-oxo-5H-1,2,3-oxadiazol-3-ium-2-ide (CAS 201282-57-7)
- 3,5-Dichloro-2,4,6-trifluoro-benzonitrile (CAS 31881-89-7)
- Thulium(III) fluoride (CAS 13760-79-7)
- 2-Bromo-3,4,5-trifluoroaniline (CAS 1000577-24-1)
- (R)-N-[4-(1-Amino-ethyl)-phenyl]-acetamide hydrochloride (CAS 1414960-53-4)
- 4-(2-Chloro-6-fluorophenyl)-4,7-dihydrofuro[3,4-b]pyridine-2,5(1H,3H)-dione (CAS 338960-22-8)
- Phenanthro[1,10-cd][1,2]dithiole (CAS 158690-51-8)
- Methyl (Z)-3-((5,5,5-trifluoro-4-oxopent-2-en-2-yl)amino)thiophene-2-carboxylate (CAS 882747-69-5)
- 2-methyl-2-(naphthalen-2-yl)propanenitrile (CAS 69849-14-5)
- tert-Butyl 9-bromo-2,3,4,5-tetrahydro-1h-1,4-benzodiazepine-4-carboxylate (CAS 1360438-06-7)
- 6-Bromo-2,5-dimethyl-3h-imidazo[4,5-b]pyridine (CAS 21714-55-6)
- (2-Bromomethyl)benzoyl chloride (CAS 7115-90-4)
- 1-(6-aminopyridin-3-yl)piperazin-2-one (CAS 1378851-84-3)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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