1H-Indazole-5-boronic Acid Pinacol Ester CAS 862723-42-0
| CAS No. | 862723-42-0 |
| Molecular Formula | C13H17BN2O2 |
| Molecular Weight | 244.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Indazole-5-boronic Acid Pinacol Ester (CAS 862723-42-0) is a high-purity analytical reference standard with the molecular formula C13H17BN2O2 and a molecular weight of 244.10 g/mol.
1H-Indazole-5-boronic Acid Pinacol Ester (C13H17BN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
CATO manufactures 1H-Indazole-5-boronic Acid Pinacol Ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H17BN2O2 |
| Molecular Weight | 244.10 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1H-Indazol-4-ylboronic Acid Pinacol Ester (CAS 885618-33-7)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)acetonitrile (CAS 2019997-20-5)
- (2-Cyano-4-(4-methylpiperidin-1-yl)phenyl)boronic acid (CAS 2225155-95-1)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[3,2-c]pyridine (CAS 2133046-28-1)
- 2-Amino-2-methyl-5-(5-methyl-1h-pyrazol-1-yl)pentanamide (CAS 1343382-49-9)
- Ethyl (2-iodobenzoyl)glycinate (CAS 333349-48-7)
- (1-Butyl-3,5-dimethyl-1h-pyrazol-4-yl)methanamine (CAS 1155590-99-0)
- Methyl 1-(4-aminophenyl)cyclobutane-1-carboxylate (CAS 1215017-84-7)
- (2S,2'S,3S,3'S)-DI-iPr-BABIBOP (CAS 2207601-12-3)
- Golgicide A-4 (CAS CATO-C4X-30644)
- 2-(2-(tert-Butyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)acetic acid (CAS 1713461-93-8)
- 4,4,5,5-Tetramethyl-2-(4-phenoxy-2-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane (CAS 1196395-85-3)
- 1-(2-Allylphenoxy)-3-(piperidin-1-yl)propan-2-ol (CAS 391219-51-5)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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