(2-Methyl-4-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid CAS 1217501-51-3
| CAS No. | 1217501-51-3 |
| Molecular Formula | C11H16BNO4S |
| Molecular Weight | 269.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-Methyl-4-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (CAS 1217501-51-3), molecular formula C11H16BNO4S and molecular weight 269.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2-Methyl-4-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (C11H16BNO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 269.13 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), (2-Methyl-4-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid 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 | C11H16BNO4S |
| Molecular Weight | 269.13 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- (4-Methyl-3-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (CAS 1704068-81-4)
- (2-Methyl-5-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (CAS 871333-01-6)
- 1098391-16-2 4-[(Pyrrolidin-1-ylsulfonyl)methyl]benzoic acid MFCD11549006 (CAS 1098391-16-2)
- 2-(4-(Pyrrolidin-1-ylsulfonyl)phenyl)acetic acid (CAS 346611-59-4)
- 4-(pyrrolidin-1-ylsulfonyl)benzohydrazide (CAS 735322-66-4)
- Methyl 4-(pyrrolidin-1-ylsulfonyl)benzoate (CAS 333787-82-9)
- 1-Benzyl-4-(pyrrolidin-1-yl)piperidine-4-carbonitrile (CAS 93725-12-3)
- 4-{[3-(pyrrolidin-1-yl)propane]sulfonyl}aniline (CAS 1275283-14-1)
Recommended Standards
- Ethyl 1-(4-Bromophenyl)cyclopropanecarboxylate (CAS 1215205-50-7)
- (4-(Piperidin-4-ylsulfonyl)phenyl)boronic acid (CAS 1232424-27-9)
- 1-(3-Bromo-4-cyclopropylmethoxyphenyl)-ethanone (CAS 1185836-84-3)
- Methyl 1-(4-bromophenyl)cyclobutane-1-carboxylate (CAS 1236357-65-5)
- 1,1-Diphenylpropane (CAS 1530-03-6)
- N1-(Thiophen-2-ylmethyl)-N2-(2,2,2-trifluoroethyl)oxalamide (CAS 1209753-03-6)
- Potassium hexachloroiridium(IV)ate (CAS 16920-56-2)
- 5-(3-Methoxyphenyl)-1-phenyl-3a,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(1H,5H)-dione (CAS 1171522-93-2)
- H-Thr-Ser-Lys-OH·xTFA salt (CAS 71730-64-8)
- N-[(3-Hydroxy-2-pyridinyl)carbonyl]glycine (CAS 3458-69-3)
- Pinaverium Impurity 38 (CAS 149253-41-8)
- Agomelatine Impurity 27 (CAS CATO-C4X-110827)
- 2-(4-Methyl-6,7-dihydro-4H-thieno[3,2-c]pyran-4-yl)ethan-1-ol (CAS 898289-60-6)
- Peptide Impurity 27 (CAS 1350456-68-6)
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