2-(2,5-Difluorobenzenesulfonyl)-2-[(2E)-pyrrolidin-2-ylidene]acetonitrile CAS 1454881-52-7
| CAS No. | 1454881-52-7 |
| Molecular Formula | C12H10F2N2O2S |
| Molecular Weight | 284.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2,5-Difluorobenzenesulfonyl)-2-[(2E)-pyrrolidin-2-ylidene]acetonitrile 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.
2-(2,5-Difluorobenzenesulfonyl)-2-[(2E)-pyrrolidin-2-ylidene]acetonitrile (CAS 1454881-52-7) is a high-purity analytical reference standard with the molecular formula C12H10F2N2O2S and a molecular weight of 284.28 g/mol.
Based on its molecular formula C12H10F2N2O2S, 2-(2,5-Difluorobenzenesulfonyl)-2-[(2E)-pyrrolidin-2-ylidene]acetonitrile contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H10F2N2O2S |
| Molecular Weight | 284.28 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluorobenzenesulfonyl Standards
- 2-(2,4-Difluorobenzenesulfonyl)-2-[(2E)-pyrrolidin-2-ylidene]acetonitrile (CAS 1454881-56-1)
- 1-(2,4-Difluorobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 848290-17-5)
- 1-(2,5-Difluorobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 847759-02-8)
- 1-(3,4-Difluorobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 716361-66-9)
- 1-(2,4-Difluorobenzenesulfonyl)piperazine (CAS 847783-38-4)
- 2-(2,4-Difluorobenzenesulfonyl)-1-(4-ethoxyphenyl)ethan-1-one (CAS 1326877-00-2)
- (2Z)-2-(2,5-Difluorobenzenesulfonyl)-3-(dimethylamino)-1-phenylprop-2-en-1-one (CAS 1325549-86-7)
- 2,6-Difluorobenzenesulfonyl chloride (CAS 60230-36-6)
Recommended Standards
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