1-(Methylsulfonyl)-4-pyrazoleboronic acid pinacol ester, 97% CAS 944994-03-0
| CAS No. | 944994-03-0 |
| Molecular Formula | C10H17BN2O4S |
| Molecular Weight | 272.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(Methylsulfonyl)-4-pyrazoleboronic acid pinacol ester, 97% is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(Methylsulfonyl)-4-pyrazoleboronic acid pinacol ester, 97% (CAS 944994-03-0) is a high-purity analytical reference standard with the molecular formula C10H17BN2O4S and a molecular weight of 272.13 g/mol.
Based on its molecular formula C10H17BN2O4S, 1-(Methylsulfonyl)-4-pyrazoleboronic acid pinacol ester, 97% contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 272.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(Methylsulfonyl)-4-pyrazoleboronic acid pinacol ester, 97% 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 | C10H17BN2O4S |
| Molecular Weight | 272.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 4-Methyl-3-(methylsulfonyl)-5-(5-nitrofuran-2-yl)-4H-1,2,4-triazole (CAS 41735-56-2)
- 1-(Methylsulfonyl)-N-(1h-pyrazol-4-yl)piperidine-4-carboxamide (CAS 1153949-08-6)
- 5-(Methylsulfonyl)-2-phenyl-1H-benzo[d]imidazole (CAS 1255098-90-8)
- 2-(4-[Methylsulfonyl]phenyl)-1H-benzimidazole (CAS 143426-39-5)
- 5-(4-(Methylsulfonyl)phenyl)-1H-pyrrolo[2,3-b]pyridine (CAS 858117-29-0)
- n-(1-(Methylsulfonyl)piperidin-4-yl)furan-2-carboxamide (CAS 606112-62-3)
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Recommended Standards
- 1-(3,4-Dichlorobenzoyl)piperidin-4-one (CAS 223632-67-5)
- 4-(NEOPENTYLOXYSULFONYL)PHENYLBORONIC ACID (CAS 957060-74-1)
- 1-(3-(2,6-Dichlorophenyl)-1,2,4-oxadiazol-5-yl)-N,N-dimethylmethanamine (CAS 680216-25-5)
- 4,6-Dichloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine (CAS 2271323-66-9)
- Benzyl (3R,4R)-3-fluoro-4-(methylamino)piperidine-1-carboxylate (CAS 847041-31-0)
- 3-(2,4-Dimethylphenyl)-2-thioxothiazolidin-4-one (CAS 93623-64-4)
- 1-(5-Chloropentyl)piperidine hydrochloride (CAS 91976-94-2)
- n-(4-Nitrobenzyl)ethanamine (CAS 17847-35-7)
- 1-Isopentyl-2-(thiophen-2-yl)-1H-benzo[d]imidazole (CAS 615281-41-9)
- 4-(2-Bromoacetamido)-2,2,6,6-tetramethyl-1-piperidinyloxy (CAS 24567-97-3)
- Methyl behenate (CAS 929-77-1)
- Methyl 4-bromo-6-(chlorosulfonyl)picolinate (CAS 1393545-64-6)
- 1-(1,1-Difluoropropyl)-2-fluoro-3-(trifluoromethyl)benzene (CAS 1138445-48-3)
- (Cys2)-Neuropeptide Y-8-aminooctanoyl-(D-Cys27)-Neuropeptide Y (25-32) (H-3298.0500) (CAS 128806-04-2)
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