rel-(3S,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride CAS 2754410-49-4
| CAS No. | 2754410-49-4 |
| Molecular Formula | C5H9ClFNO3S |
| Molecular Weight | 217.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 217.65 g/mol gives rel-(3S,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
rel-(3S,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride (CAS 2754410-49-4), molecular formula C5H9ClFNO3S and molecular weight 217.65 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, rel-(3S,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride (C5H9ClFNO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 217.65 g/mol, it falls into the medium-molecular-weight range. 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), rel-(3S,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride 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 | C5H9ClFNO3S |
| Molecular Weight | 217.65 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 methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- rel-(3R,4S)-3-Fluoro-4-methoxypyrrolidine-1-sulfonyl chloride (CAS 2754410-04-1)
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- Ethyl 4-chloro-5-formyl-3,6-dihydropyridine-1(2H)-carboxylate (CAS 96507-72-1)
- Urapidil Impurity 29 (CAS 34654-88-1)
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