4-(Methylamino)tetrahydro-2H-thiopyran 1-oxide CAS 1303855-40-4
| CAS No. | 1303855-40-4 |
| Molecular Formula | C6H13NOS |
| Molecular Weight | 147.24 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.
4-(Methylamino)tetrahydro-2H-thiopyran 1-oxide (CAS 1303855-40-4), molecular formula C6H13NOS and molecular weight 147.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H13NOS, 4-(Methylamino)tetrahydro-2H-thiopyran 1-oxide contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 147.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-(Methylamino)tetrahydro-2H-thiopyran 1-oxide 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 | C6H13NOS |
| Molecular Weight | 147.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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