1-{2-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}pyrrolidin-2-one CAS 1342834-87-0
| CAS No. | 1342834-87-0 |
| Molecular Formula | C15H24BN3O3 |
| Molecular Weight | 305.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-{2-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}pyrrolidin-2-one (CAS 1342834-87-0) is a high-purity analytical reference standard with the molecular formula C15H24BN3O3 and a molecular weight of 305.18 g/mol.
1-{2-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}pyrrolidin-2-one (C15H24BN3O3) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 1-{2-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}pyrrolidin-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H24BN3O3 |
| Molecular Weight | 305.18 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Tetramethyl Standards
- N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholin-4-amine (CAS 1073354-38-7)
- 1-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperidin-4-ol (CAS 1202805-26-2)
- 3'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-3-carbonitrile (CAS 1345508-91-9)
- 4-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazol-1-yl]piperidine-1-carbaldehyde (CAS 1349722-89-9)
- 1-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]piperidin-3-ol (CAS 1355388-42-9)
- {1-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]pyrrolidin-3-yl}methanol (CAS 1421325-54-3)
- 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-3-carbonitrile (CAS 1565857-82-0)
- 4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)[1,1'-biphenyl]-4-carbonitrile (CAS 406482-72-2)
Recommended Standards
- tert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate (CAS 1310404-19-3)
- tert-Butyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isonicotinate (CAS 1310385-01-3)
- tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (CAS 1309982-38-4)
- tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate (CAS 1354356-24-3)
- N-[(5-Cyclopropyl-4-methyl-4H-1,2,4-triazol-3-yl)methyl]-N-methylpyrrolidin-3-amine (CAS 1423033-84-4)
- 6-bromo-2,4-dichloropyrrolo[2,1-f][1,2,4]triazine (CAS 1160995-23-2)
- 3-hydroxyspiro[3.4]octane-3-carbaldehyde (CAS 2302994-80-3)
- dibenzothiophene-2-carbaldehyde (CAS 22099-23-6)
- 3-Cyclopropyl-2-(4-methoxyphenyl)-3-oxopropanenitrile (CAS 95664-79-2)
- Methyl 4-(4-morpholinophenyl)-2,4-dioxobutanoate (CAS 1181537-45-0)
- Loratadine Impurity 63 (CAS CATO-C4X-142663)
- (S)-Benzyl 5-(hydroxymethyl)-2,2-dimethylmorpholine-4-carboxylate (CAS 1263078-30-3)
- 2-(2-Chlorophenyl)imidazo[1,2-a]pyrimidine-3-carboxylic acid (CAS 1923069-07-1)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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