(3S,4R)-3-Amino-4-methyloxetan-2-one; 4-methylbenzene-1-sulfonic acid CAS 131131-06-1
| CAS No. | 131131-06-1 |
| Molecular Formula | C7H8O3S |
| Molecular Weight | N/A |
| 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.
(3S,4R)-3-Amino-4-methyloxetan-2-one; 4-methylbenzene-1-sulfonic acid (CAS 131131-06-1), molecular formula C7H8O3SC4H7NO2 and molecular weight 273.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3S,4R)-3-Amino-4-methyloxetan-2-one; 4-methylbenzene-1-sulfonic acid (C7H8O3SC4H7NO2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 273.30 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), (3S,4R)-3-Amino-4-methyloxetan-2-one; 4-methylbenzene-1-sulfonic 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 | C7H8O3S C4H7NO2 |
| Molecular Weight | 273.30 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 2138-34-3 1-(4-bromophenyl)-3-(dimethylamino)propan-1-one DTXSID40276782 (CAS 2138-34-3)
- 2-(6-Bromo-2-methyl-4-oxoquinolin-1(4H)-yl)acetic acid (CAS 1215543-11-5)
- 1,2,3-Benzotriazine-4-thiol (CAS 2536-88-1)
- Peptide 438 (CAS CATO-CPTD788438)
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