(4-Cyclopropyl-3-(methoxycarbonyl)phenyl)boronic acid CAS 1451374-93-8
| CAS No. | 1451374-93-8 |
| Molecular Formula | C11H13BO4 |
| Molecular Weight | 220.03 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-Cyclopropyl-3-(methoxycarbonyl)phenyl)boronic acid (CAS 1451374-93-8), molecular formula C11H13BO4 and molecular weight 220.03 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (4-Cyclopropyl-3-(methoxycarbonyl)phenyl)boronic acid (C11H13BO4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H13BO4 |
| Molecular Weight | 220.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
Related Cyclopropyl Standards
- (4-Cyclopropyl-2-(methoxycarbonyl)phenyl)boronic acid (CAS 1395826-22-8)
- (3-Cyclopropyl-4-(methoxycarbonyl)phenyl)boronic acid (CAS 1422975-77-6)
- (2-Cyclopropyl-4-(methoxycarbonyl)phenyl)boronic acid (CAS 2225170-42-1)
- (2-Cyclopropyl-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2225169-37-7)
- (3-Cyclopropyl-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2225181-61-1)
- (5-Cyclopropyl-2-(methoxycarbonyl)phenyl)boronic acid (CAS 2225179-23-5)
- 1-Cyclopropyl-5-(trifluoromethyl)-1H-pyrazole-3-carboxylic acid (CAS 2384171-56-4)
- 3-Cyclopropyl-6-oxo-6h,7h-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1160246-15-0)
Recommended Standards
- 3-Amino-5-(cyclopropylcarbamoyl)phenylboronic acid (CAS 1423129-20-7)
- 4,4-Difluoro-1,3-dimethyl-4-bora-3a,4a-diaza-s-indacene (CAS 154793-49-4)
- 1-[4-(Dihydroxyboranyl)-3-methylphenyl]cyclopropane-1-carboxylic acid (CAS 1628507-89-0)
- 4-(1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-7-yl)butanoic acid (CAS 1268335-64-3)
- 2-((Benzoyloxy)imino)-1-(4-(phenylthio)phenyl)octan-1-one (CAS 253585-83-0)
- 1049030-31-0 5-[4-(2-Methoxyethoxy)phenyl]-5-oxovaleric acid MFCD09965870 (CAS 1049030-31-0)
- 4-Fluoro-3-hydroxypicolinic acid (CAS 1806416-26-1)
- tert-Butyl (3-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate (CAS 1704065-37-1)
- 3-Chloromethyl-2-fluoro-6-(trifluoromethyl)pyridine (CAS 1227581-13-6)
- 3,4-Dihydroxyquinoline-5-carboxylic acid (CAS 127980-50-1)
- Tos-PEG4-acid (CAS 1453117-42-4)
- 9-(m-Tolyl)-3H-purin-6(9H)-one (CAS 73941-32-9)
- 3-(2-Methoxyphenyl)oxetan-3-amine hydrochloride (CAS 1332765-89-5)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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