(2s,4r)-1-((3,4-Dimethylphenyl)sulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid CAS 1955473-73-0
| CAS No. | 1955473-73-0 |
| Molecular Formula | C13H17NO5S |
| Molecular Weight | 299.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2s,4r)-1-((3,4-Dimethylphenyl)sulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (CAS 1955473-73-0), molecular formula C13H17NO5S and molecular weight 299.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2s,4r)-1-((3,4-Dimethylphenyl)sulfonyl)-4-hydroxypyrrolidine-2-carboxylic acid (C13H17NO5S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 299.34 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2s,4r)-1-((3,4-Dimethylphenyl)sulfonyl)-4-hydroxypyrrolidine-2-carboxylic 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 | C13H17NO5S |
| Molecular Weight | 299.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-[(3-Oxo-2-phenyl-2,3-dihydro-1H-isoindol-1-yl)sulfanyl]acetic acid (CAS 189271-24-7)
- Methyl 1-(4-fluorophenyl)-2-phenylpyrrolidine-3-carboxylate (CAS 1956380-42-9)
- Tert-butyl 4-phenyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide (CAS 1800416-05-0)
- Methyl 2-(4-fluorophenyl)-1-phenylpyrrolidine-3-carboxylate (CAS 1956383-23-5)
- Potassium Methyltrifluoroborate (CAS 13862-28-7)
- [3-(4-Nitrophenyl)aziridin-2-yl]methanol (CAS 1858242-57-5)
- 4-Benzyltetrahydro-2h-pyran-4-amine hydrochloride (CAS 1385696-59-2)
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- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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