3-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[3,4-b]pyridine CAS 2005430-89-5
| CAS No. | 2005430-89-5 |
| Molecular Formula | C14H20BN3O2 |
| Molecular Weight | 273.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[3,4-b]pyridine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[3,4-b]pyridine (CAS 2005430-89-5), molecular formula C14H20BN3O2 and molecular weight 273.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H20BN3O2, 3-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[3,4-b]pyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 273.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C14H20BN3O2 |
| Molecular Weight | 273.14 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.) | 1996 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one (CAS 1002309-19-4)
- N-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acrylamide (CAS 1218790-42-1)
- 1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one (CAS 1220696-38-7)
- 2-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one (CAS 1221239-09-3)
- 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroisoquinolin-1(2H)-one (CAS 1231892-74-2)
- 1-((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)methyl)cyclopropane-1-carbonitrile (CAS 1233526-27-6)
- 2-Ethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazo[4,5-b]pyridine (CAS 1373622-16-2)
- 6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydroquinolin-4(1H)-one (CAS 1445800-21-4)
Recommended Standards
- 3-chloro-5-(2-chlorophenyl)isothiazole-4-carboxamide (CAS 680212-80-0)
- 4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)azetidin-2-one (CAS 2369772-35-8)
- 3-Chloro-4-((5-chloropyrazin-2-yl)thio)pyridin-2-amine (CAS 2056004-13-6)
- 4-Bromo-2,2-dimethyl-2-fluorobutyrophenone (CAS 898765-84-9)
- 4-Chloro-n-(4-(trifluoromethyl)phenyl)benzenesulfonamide (CAS 107491-59-8)
- N-(benzo[d][1,3]dioxol-5-yl)piperidin-4-amine (CAS 245057-69-6)
- 1-(4-Bromophenyl)-3-((4-ethylphenyl)amino)propan-1-one (CAS 423735-02-8)
- 1-(2,5-difluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1430751-16-8)
- 4-Hydrazinyl-2,5,7-trimethylquinoline hydrochloride (CAS 1170959-06-4)
- 1-(2-Chloroethyl)-3,5-dimethyl-1H-1,2,4-triazole hydrochloride (CAS 52497-34-4)
- 4-(Piperidin-1-ylmethyl)quinolin-2-ol (CAS 13629-28-2)
- 3-(bromomethyl)-3-fluorooxetane (CAS 865451-86-1)
- 6-Amino-1-benzyl-5-bromo-3-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 610259-81-9)
- Peptide T (CAS 106362-32-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com