1-Ethyl-3-methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-pyrazole CAS 2019997-43-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2019997-43-2 |
| Molecular Formula | C12H21BN2O2 |
| Molecular Weight | 236.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-Ethyl-3-methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1h-pyrazole (CAS 2019997-43-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H21BN2O2. Molecular weight: 236.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H21BN2O2 |
| Molecular Weight | 236.12 g/mol |
| Appearance | 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1,3,5-Trimethylpyrazole-4-boronic Acid Pinacol Ester (CAS 844891-04-9)
- 1-Ethyl-4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2223054-75-7)
- (2,6-Bis((dimethylamino)methyl)phenyl)boronic acid (CAS 89291-18-9)
- Ethyl 3-(4-chlorobenzamido)-2-oxo-6-phenyl-2H-pyran-5-carboxylate (CAS 338404-92-5)
- (R)-2,2,2-Trifluoro-1-(3-isopropoxyphenyl)ethan-1-amine (CAS 1213886-30-6)
- N-{2-[(4-bromophenyl)sulfanyl]ethyl}-4-fluorobenzamide (CAS 338955-70-7)
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- 2-(2,4-Dichlorophenoxy)nicotinonitrile (CAS 289662-03-9)
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