1-(3-Benzyloxypropyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole CAS 1309960-92-6
| CAS No. | 1309960-92-6 |
| Molecular Formula | C19H27BN2O3 |
| Molecular Weight | 342.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1-(3-Benzyloxypropyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 1309960-92-6) is a high-purity analytical reference standard with the molecular formula C19H27BN2O3 and a molecular weight of 342.24 g/mol.
1-(3-Benzyloxypropyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (C19H27BN2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C19H27BN2O3 |
| Molecular Weight | 342.24 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.) | 1990 |
| Nitrogen Atoms | 2 |
Related Benzyloxypropyl Standards
Recommended Standards
- 1-(4-Methoxy-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 1232027-73-4)
- 3-methyl-1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (CAS 1777783-16-0)
- Foritinib Impurity 9 (CAS CATO-C4X-33109)
- 3,4-Dichloro-N-(1-(thiazol-2-yl)pyrrolidin-3-yl)benzamide (CAS 1797709-69-3)
- N-(6-Hydroxy-1H-indazol-3-yl)benzamide (CAS 511225-25-5)
- N-(3-Cyanothiophen-2-yl)-3,4-dimethylbenzamide (CAS 865545-88-6)
- 1-(Bromomethyl)-3-fluoro-5-nitrobenzene (CAS 883987-75-5)
- n-(4-(Pyrrolidin-1-yl)benzyl)ethanamine (CAS 1095224-25-1)
- Bisphenol F Bis(2,3-dihydroxypropyl) ether (CAS 72406-26-9)
- N-Nitroso-Demethyl Mepyramine (CAS CATO-C4X-26002)
- 1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618101-72-7)
- Moxifloxacin Impurity 90 (CAS 765-30-0)
- rel-Methyl L-allothreoninate (CAS 68331-48-6)
- Peptide 433 (CAS CATO-CPTD788433)
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