2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-butyric acid tert-butyl ester CAS 1940181-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1940181-12-3 |
| Molecular Formula | C17H29BN2O4 |
| Molecular Weight | 336.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-butyric acid tert-butyl ester (CAS 1940181-12-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H29BN2O4. Molecular weight: 336.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H29BN2O4 |
| Molecular Weight | 336.23 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related Tetramethyl Standards
- 3-[1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)ethenyl]dibenzothiophene (CAS 2559765-34-1)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 942589-66-4)
- 2-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-12-0)
- 3-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-13-1)
- 4-(((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)methyl)benzonitrile (CAS 1346708-14-2)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-4-amine (CAS 942589-84-6)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-6-amine (CAS 942589-97-1)
- N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[d]oxazol-2-amine (CAS 330793-73-2)
Recommended Standards
- [3,5-Dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-acetic acid tert-butyl ester (CAS 1426671-41-1)
- (2E)-2,3-Dichloro-N-(2-methylphenyl)-3-(propane-2-sulfonyl)prop-2-enamide (CAS 861211-89-4)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(4-fluoro-2-methylphenyl)thiophen-2-yl)boronate (CAS 1402227-74-0)
- 2-(((5-Methyl-2-(m-tolyl)oxazol-4-yl)methyl)thio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 902588-62-9)
- N-Benzyl-2-(4-fluorophenyl)-6-methylimidazo[1,2-a]pyridin-3-amine (CAS 728024-50-8)
- 4-Chloro-2,6-dipropylpyrimidine (CAS 90972-76-2)
- 3-Amino-3-(2,5-dimethylphenyl)propanoic acid (CAS 117391-55-6)
- 2-Chloro-4-(1H-1,2,4-triazol-1-yl)benzohydrazide (CAS 952183-16-3)
- N-(2,4-dichlorophenyl)-2,2,2-trifluoroacetamide (CAS 121806-47-1)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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