3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one CAS 22842-38-2
| CAS No. | 22842-38-2 |
| Molecular Formula | C7H12OS |
| Molecular Weight | 144.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one (CAS 22842-38-2), molecular formula C7H12OS and molecular weight 144.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one (C7H12OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 144.23 g/mol, it falls into the low-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one 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 | C7H12OS |
| Molecular Weight | 144.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 1 |
Related Dimethyldihydro Standards
- 5,5-Dimethyldihydro-2H-thiopyran-3(4H)-one (CAS 18615-62-8)
- 6,6-Dimethyldihydro-2H-pyran-2,4(3H)-dione (CAS 84465-82-7)
- cis-3,5-Dimethyldihydro-2H-pyran-2,6(3H)-dione (CAS 4295-92-5)
- 2,3-Dimethyldihydro-2H-pyran-4(3H)-one (CAS 102548-02-7)
- 2,6-dimethyldihydro-2h-pyran-4(3h)-one (CAS 1073-79-6)
- 2,2-Dimethyldihydro-2H-pyran-3(4H)-one (CAS 1194800-59-3)
- 4,4-Dimethyldihydro-2H-pyran-3(4H)-one (CAS 133871-97-3)
- cis-2,6-Dimethyldihydro-2H-pyran-4(3H)-one (CAS 14505-80-7)
Recommended Standards
- 2-Oxa-7-thiaspiro[3.5]nonane (CAS 2892449-71-5)
- 3-Methyl-2-buten-1-yl thiolacetate (CAS 33049-93-3)
- 2,6-DIMETHYLTETRAHYDRO-4H-THIOPYRAN-4-ONE (CAS 2323-17-3)
- 5-(propan-2-yl)thiolan-3-one (CAS 75782-71-7)
- Ethyl 2,2-bis(hydroxymethyl)but-3-enoate (CAS 1509910-52-4)
- Ethyl 2-(3-ethoxy-3-oxopropyl)-5-methyl-6-oxo-3,6-dihydropyrimidine-4-carboxylate (CAS 75624-19-0)
- 2-Pentenal (CAS 764-39-6)
- 2-(Chloromethyl)-5-propylpyrimidine (CAS 944899-65-4)
- Safinamide Impurity 27 (CAS 1240529-51-4)
- 3-Bromo-5-fluoro-N-isopropylbenzamide (CAS 1181538-97-5)
- 4-(5-Acetyl-4-methylthiazol-2-yl)pyridin-1-ium chloride (CAS 477762-15-5)
- 2-(tert-Butoxy)-4-cyclopropoxy-3-ethylpyridine (CAS 1243360-96-4)
- 3,7,11-Trimethyl-2,6,10-tridecatrienoic Acid Methyl Ester (CAS 22095-09-6)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
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