1,5-Dimethyl-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole CAS 2243322-62-3
| CAS No. | 2243322-62-3 |
| Molecular Formula | C11H19BN2O2 |
| Molecular Weight | 222.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H19BN2O2, 1,5-Dimethyl-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 222.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 1,5-Dimethyl-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole (CAS 2243322-62-3), a certified reference material (molecular formula C11H19BN2O2, MW 222.09 g/mol) for analytical method development and quality control.
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 1,5-Dimethyl-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole 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 | C11H19BN2O2 |
| Molecular Weight | 222.09 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.) | 1998 |
| Nitrogen Atoms | 2 |
Related Dimethyl Standards
- 5-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-1-propyl-1H-pyrazole (CAS 1487355-92-9)
- 5-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-1-isopropyl-1H-pyrazole (CAS 1487356-83-1)
- 1,2-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole (CAS 2223050-13-1)
- 1,4-Dimethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2223043-80-7)
- B-[2-[(2,2-Dimethyl-1-oxopropyl)amino]-3-pyridinyl]boronic acid (CAS 1036243-43-2)
- 3,3-Dimethyl-2,4-dihydro-1,5-benzodioxepine-6-boronic acid (CAS 2096341-50-1)
- Dimethyl(4-(trifluoromethyl)phenyl)phosphine oxide (CAS 1333230-26-4)
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Recommended Standards
- 2-(Allylthio)-4,6-dichloro-1,3,5-triazine (CAS 25713-56-8)
- 1,3-Dimethylpyrazole-5-boronic Acid Pinacol Ester (CAS 847818-79-5)
- 2,2,3,3,3-Pentafluoropropyl 2-fluoroacrylate (CAS 96250-35-0)
- 2,2-Bis(trifluoromethyl)cyclopropane-1-carboxylic acid (CAS 390388-87-1)
- n-(Oxan-4-yl)piperidin-4-amine (CAS 914654-73-2)
- 2-Amino-4,6-dimethylbenzonitrile (CAS 35490-77-8)
- Phenyl 6-(benzylcarbamoyl)-4-(trifluoromethyl)pyridine-2-carboxylate (CAS 1208653-41-1)
- D-Phenyl-alanine-N-t-Boc-d5 (CAS 1213661-19-8)
- 3-(4-Bromophenyl)-5-p-tolyl-1,2,4-oxadiazole (CAS 587006-12-0)
- Landiolol Impurity 21 (CAS CATO-C4X-262121)
- 6-(4-Isopropoxybenzamido)hexanoic acid (CAS 305858-63-3)
- 5-(Azetidin-3-yl)-3-(2-(trifluoromethoxy)phenyl)-1,2,4-oxadiazole hydrochloride (CAS 1426290-54-1)
- 6,8-Di-tert-butyl-4-oxo-4H-chromene-2-carboxylic acid (CAS 37456-21-6)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
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