3,5-Dimethyl-1-(2-methyl-benzyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole CAS 2246835-74-3
| CAS No. | 2246835-74-3 |
| Molecular Formula | C19H27BN2O2 |
| Molecular Weight | 326.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,5-Dimethyl-1-(2-methyl-benzyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 2246835-74-3), molecular formula C19H27BN2O2 and molecular weight 326.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H27BN2O2, 3,5-Dimethyl-1-(2-methyl-benzyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 326.24 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.
CATO manufactures 3,5-Dimethyl-1-(2-methyl-benzyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-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 | C19H27BN2O2 |
| Molecular Weight | 326.24 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.) | 1998 |
| Nitrogen Atoms | 2 |
Related Dimethyl Standards
- 3,5-Dimethyl-1-(3-methylbenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1534377-88-2)
- 2,2-Dimethyl-4-oxo-4H-benzo[d][1,3]dioxin-5-yl trifluoromethanesulfonate (CAS 164014-40-8)
- Dimethyl (2-oxo-3-(4-(trifluoromethyl)phenoxy)propyl)phosphonate (CAS 1310798-67-4)
- Dimethyl (2-oxo-3-(2-(trifluoromethyl)phenoxy)propyl)phosphonate (CAS 1398504-07-8)
- Dimethyl 4,4’-Oxalyldibenzoate (CAS 66553-02-4)
- 1,3-Dimethyl-6-(3-nitrophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carbohydrazide (CAS 938017-83-5)
- Methyl 1,3-dimethyl-6-(3-nitrophenyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 834897-24-4)
- 1-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 1226437-07-5)
Recommended Standards
- 3,4-Dichloro-N-(2-(phenylthio)ethyl)benzamide (CAS 339100-18-4)
- 3-Amino-3-benzyl-1-(3,4-dichlorophenyl)thiourea (CAS 723332-86-3)
- 2,2-Dichloro-N-(4-(p-tolylthio)phenyl)acetamide (CAS 339096-21-8)
- 3-Chloro-N-{2-[(4-chlorophenyl)sulfanyl]ethyl}benzamide (CAS 338411-68-0)
- 1-Methyl-4-nitro-1H-pyrazole-3-carboxylic Acid (CAS 4598-86-1)
- Nafarelin Acetate (CAS 86220-42-0)
- Bambuterol Hydrochloride (CAS 81732-46-9)
- 5-Isopentyl-1,2,4-oxadiazol-3-amine (CAS 1342292-38-9)
- rel-(3R,4R)-1-(tert-Butoxycarbonyl)-3-phenylpiperidine-4-carboxylic acid (CAS 1068522-17-7)
- N-(4-Aminopiperazin-1-yl)-2-phenylacetamide (CAS 801154-27-8)
- 1-(3-Butoxy-4-fluorophenyl)ethan-1-ol (CAS 1443325-16-3)
- Cefodizime Impurity 19 (CAS CATO-C4X-180619)
- 5-Bromo-3-chloro-2-hydroxybenzonitrile (CAS 1260810-06-7)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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