2-(Methoxycarbonyl)-4-methylphenylboronic Acid CAS 1256355-43-7
| CAS No. | 1256355-43-7 |
| Molecular Formula | C9H11BO4 |
| Molecular Weight | 193.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Methoxycarbonyl)-4-methylphenylboronic Acid (CAS 1256355-43-7) is a high-purity analytical reference standard with the molecular formula C9H11BO4 and a molecular weight of 193.99 g/mol.
Based on its molecular formula C9H11BO4, 2-(Methoxycarbonyl)-4-methylphenylboronic Acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-(Methoxycarbonyl)-4-methylphenylboronic 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 | C9H11BO4 |
| Molecular Weight | 193.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Methoxycarbonyl Standards
- (3-(Methoxycarbonyl)-4-methylphenyl)boronic acid (CAS 1048330-10-4)
- 2-Methoxycarbonyl-3-methylphenylboronic acid (CAS 1256355-42-6)
- 3-(Methoxycarbonyl)-2-methylphenylboronic acid (CAS 1451374-90-5)
- (2-(Methoxycarbonyl)-5-methylphenyl)boronic acid (CAS 2225178-96-9)
- (3-(Methoxycarbonyl)-5-methylphenyl)boronic acid (CAS 929626-18-6)
- (5-(Methoxycarbonyl)-2-methylphenyl)boronic acid (CAS 876189-18-3)
- 4-Methoxycarbonyl-3-methyl-benzoicacid (CAS 116934-87-3)
- 4-(Methoxycarbonyl)-2-methylbenzoic acid (CAS 1245919-29-2)
Recommended Standards
- 2,6-Dichloro-5-fluoronicotinaldehyde (CAS 1260758-33-5)
- (5-Acetyl-2-methoxyphenyl)boronic acid (CAS 1215281-20-1)
- (2-Ethoxy-6-formylphenyl)boronic acid (CAS 1364685-32-4)
- 3,4-Dihydro-2h-1,5-benzodioxepin-6-ylboronic acid (CAS 1107064-09-4)
- 4-Nitro-3-(trifluoromethyl)benzoic Acid (CAS 320-38-7)
- Ethyl 3-(3,5-dimethoxyphenyl)propanoate (CAS 54901-09-6)
- (E)-1-(4-((4-chlorobenzyl)oxy)phenyl)-3-(dimethylamino)prop-2-en-1-one (CAS 1306753-64-9)
- [Glu4]Carbetocin X TFA Salt (CAS CATO-C4X-191132)
- 7-Chloro-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1301214-58-3)
- 4-Amino-4-(p-tolyl)butanoic acid hydrochloride (CAS 1810070-01-9)
- 5-Cyclobutylpyrimidine-2,4(1H,3H)-dione (CAS 63676-30-2)
- 6-Fluoro-5-methyl-1H-indazol-3-amine (CAS 1037206-99-7)
- 286460-74-0 Fmoc-Val-OH-1-13C L-Valine-1-13C, N-Fmoc derivative N-(9-Fluorenylmethoxycarbonyl)-L-valine-1-13C (CAS 286460-74-0)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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