(2-(Tert-butyl)-5-cyclopropylpyridin-3-yl)boronic acid CAS 2225169-23-1
| CAS No. | 2225169-23-1 |
| Molecular Formula | C12H18BNO2 |
| Molecular Weight | 219.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 219.09 g/mol gives (2-(Tert-butyl)-5-cyclopropylpyridin-3-yl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2-(Tert-butyl)-5-cyclopropylpyridin-3-yl)boronic acid (CAS 2225169-23-1), molecular formula C12H18BNO2 and molecular weight 219.09 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2-(Tert-butyl)-5-cyclopropylpyridin-3-yl)boronic acid (C12H18BNO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 219.09 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.
As a certified reference material (CRM), (2-(Tert-butyl)-5-cyclopropylpyridin-3-yl)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 | C12H18BNO2 |
| Molecular Weight | 219.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2-(Piperidin-1-ylmethyl)phenyl)boronic acid (CAS 878289-33-9)
- (2-Methyl-4-(piperidin-1-yl)phenyl)boronic acid (CAS 2159136-20-4)
- 5,6-dichloro-1,3-dihydrobenzimidazole-2-thione (CAS 19462-98-7)
- (3-Methyl-4-(piperidin-4-yl)phenyl)boronic acid (CAS 2225176-55-4)
- 5-Cyclopropoxy-6-iodopyridin-3-amine (CAS 1243384-57-7)
- 2-(2-Amino-3-hydroxy-propionylamino)-4-methyl-pentanoic acid amide hydrochloride (CAS 1397007-57-6)
- 1-(2-aminoethoxy)-2,4-difluorobenzene (CAS 762228-01-3)
- 5-Ethoxy-2-formamidopentanoic acid (CAS 1465083-51-5)
- tert-Butyl 3-amino-3-(2-methoxy-2-oxoethyl)pyrrolidine-1-carboxylate (CAS 1784037-40-6)
- 3-Methoxyisoxazol-4-amine (CAS 2573216-39-2)
- Methyl 2-(2-methyl-4-phenyloxazol-5-yl)acetate (CAS 89150-40-3)
- 4-(2-Dimethylamino)ethoxycinnamic Acid Hydrochloride (CAS 1807885-04-6)
- 2-Amino-2-(thiophen-2-yl)ethanol hydrochloride (CAS 2089378-72-1)
- Peptide Impurity 05 (CAS 2322924-83-2)
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