(1-(tert-Butoxycarbonyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)boronic acid pinacol ester, 97% CAS 1131121-50-0
| CAS No. | 1131121-50-0 |
| Molecular Formula | C18H26BN3O4 |
| Molecular Weight | 359.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (1-(tert-Butoxycarbonyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)boronic acid pinacol ester, 97%.
(1-(tert-Butoxycarbonyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)boronic acid pinacol ester, 97% (CAS 1131121-50-0), molecular formula C18H26BN3O4 and molecular weight 359.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1-(tert-Butoxycarbonyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)boronic acid pinacol ester, 97% (C18H26BN3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 359.23 g/mol, it falls into the moderately-high-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.
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 (1-(tert-Butoxycarbonyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)boronic acid pinacol ester, 97% 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 | C18H26BN3O4 |
| Molecular Weight | 359.23 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related tert Standards
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Recommended Standards
- tert-Butyl 4-(3-bromo-5-fluorophenyl)piperazine-1-carboxylate (CAS 1129540-98-2)
- 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2':6',2''-terpyridine (CAS 1176879-36-9)
- tert-Butyl 4-(4-bromo-2-fluorophenyl)piperazine-1-carboxylate (CAS 1055120-85-8)
- Tert-butyl (4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-6-yl)carbamate (CAS 1549642-67-2)
- Methyl 2-(4-(3-chloro-2,2-dimethylpropanamido)phenoxy)benzoate (CAS 865660-49-7)
- ((Hex-5-yn-1-yloxy)methyl)benzene (CAS 60789-55-1)
- Ligustilone (CAS 30557-81-4)
- Methyl 2-(5-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1823184-20-8)
- N-(ε-Aminocaproyl)-β-L-fucopyranosylamine (CAS 35978-97-3)
- Benzyl (S)-3-amino-4-phenylbutanoate hydrochloride (CAS 1329063-33-3)
- 5-Chloro-2,2-dimethylpentanenitrile (CAS 4207-54-9)
- Isopentyl 2-(3-oxopiperazin-2-yl)acetate (CAS 1032338-42-3)
- Diisobutyl 4,10-dicyanoperylene-3,9-dicarboxylate (CAS 100443-95-6)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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