Methyl (4R)-4,5-dihydro-2-methyl-4-thiazolecarboxylate CAS 2519-89-3
| CAS No. | 2519-89-3 |
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl (4R)-4,5-dihydro-2-methyl-4-thiazolecarboxylate (CAS 2519-89-3), molecular formula C6H9NO2S and molecular weight 159.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H9NO2S, Methyl (4R)-4,5-dihydro-2-methyl-4-thiazolecarboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 159.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Methyl (4R)-4,5-dihydro-2-methyl-4-thiazolecarboxylate 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 | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 5-(1-Methoxyethyl)-1,3,4-thiadiazol-2-amine 79885-43-1 9894AE C5H9N3OS (CAS 79885-43-1)
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- Tetrahydro-2H-thiopyran-4-carbonitrile 1,1-dioxide (CAS 912578-71-3)
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