4-Chloro-1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole CAS 1430057-83-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1430057-83-2 |
| Molecular Formula | C10H16BClN2O2 |
| Molecular Weight | 242.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1430057-83-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H16BClN2O2. Molecular weight: 242.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H16BClN2O2 |
| Molecular Weight | 242.51 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-1-methylimidazole-5-boronic Acid Pinacol Ester (CAS 1315281-29-8)
- 3-Chloro-5-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2641339-68-4)
- 4-Chloro-2-(pentyloxy)phenylboronic acid (CAS 2096338-13-3)
- 4-Chloro-6-iodobenzene-1,2,3,5-d4 (CAS 1062120-53-9)
- 6-Chloro-3-nitro-5-(trifluoromethyl)pyridin-2(1H)-one (CAS 111928-62-2)
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- 2-(3-Chloro-2-fluorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane (CAS 2096996-17-5)
- 2-(5-Chloro-2-fluorophenyl)-5,5-dimethyl-1,3,2-dioxaborinane (CAS 628692-19-3)
Recommended Standards
- 1H-Pyrazole, 5-chloro-1-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 2913212-63-0)
- 8-Bromo-7-chloroisoquinoline (CAS 2092424-29-6)
- 3-[tert-Butyldimethylsilyl]oxy-1-propyn-1-yl]trimethyl-silane (CAS 83578-59-0)
- 2-(Chloromethyl)-5-ethylpyridine hydrochloride (CAS 71670-78-5)
- 1-(2-Methoxyphenyl)-2-methylpropan-1-amine (CAS 105598-03-6)
- (4-([1,1'-Biphenyl]-4-yl(9,9-dimethyl-9H-fluoren-2-yl)amino)phenyl)boronic acid (CAS 1265177-27-2)
- (1R,6R)-3-azabicyclo[4.1.0]Heptan-1-ol (CAS 1820574-33-1)
- 1,2-Dicyclopropylethan-1-one (CAS 14113-96-3)
- 2,3-Diamino-5-fluorobenzoic acid (CAS 177960-38-2)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
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