(8-Methoxy-2-methylquinolin-5-yl)boronic acid trihydrate CAS 1263986-52-2
| CAS No. | 1263986-52-2 |
| Molecular Formula | C11H12BNO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (8-Methoxy-2-methylquinolin-5-yl)boronic acid trihydrate is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(8-Methoxy-2-methylquinolin-5-yl)boronic acid trihydrate (CAS 1263986-52-2), molecular formula C11H12BNO3H2O and molecular weight 235.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (8-Methoxy-2-methylquinolin-5-yl)boronic acid trihydrate (C11H12BNO3H2O) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 235.05 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H12BNO3 3*H2O |
| Molecular Weight | 235.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1990 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
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- 6-Methoxy-4-nitro-1H-indazole (CAS 1000341-08-1)
Recommended Standards
- Ethyl 5-bromo-3-oxobenzo[d]isoxazole-2(3H)-carboxylate (CAS 73806-36-7)
- (3-Chloro-5-fluoro-4-isopropoxyphenyl)methanol (CAS 2432848-84-3)
- 5-(2,4-Difluorophenyl)-2-methoxypyrimidine (CAS 1352318-16-1)
- N'-hydroxy-1,3-thiazole-4-carboximidamide (CAS 89829-63-0)
- 2-Mercapto-1H-indole-3-carbaldehyde (CAS 183946-30-7)
- Neridronate Sodium Salt (CAS 80729-79-9)
- Maribavir Impurity 28 (CAS CATO-C4X-300728)
- 4-Iodo-5-methyl-3-nitro-1H-pyrazole (CAS 1281872-29-4)
- Ketoprofen Impurity 72 (CAS CATO-C4X-147172)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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