Tetrahydro-2H-thiopyran-2-one CAS 1003-42-5
| CAS No. | 1003-42-5 |
| Molecular Formula | C5H8OS |
| Molecular Weight | 116.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Tetrahydro-2H-thiopyran-2-one is closely related to sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Tetrahydro-2H-thiopyran-2-one (CAS 1003-42-5) is a high-purity analytical reference standard with the molecular formula C5H8OS and a molecular weight of 116.18 g/mol.
Tetrahydro-2H-thiopyran-2-one (C5H8OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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), Tetrahydro-2H-thiopyran-2-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 | C5H8OS |
| Molecular Weight | 116.18 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.) | 1957 |
| Sulfur Atoms | 1 |
Related Tetrahydro Standards
- Tetrahydro-2H-pyran-2-thione (CAS 72037-37-7)
- 3,4,5,6-Tetrahydro-2-Pyrimidinethiol (CAS 2055-46-1)
- 3-Methyl-tetrahydro-pyran-4-ol (CAS 89534-37-2)
- Tetrahydro-2-methyl-2-furanmethanol (CAS 81887-61-8)
- Tetrahydro-2-methyl-3-furanmethanol (CAS 39161-15-4)
- Tetrahydro-5-methyl-2-furanmethanol (CAS 6126-49-4)
- Tetrahydro-5-methyl-3-furanmethanol (CAS 22600-86-8)
- Tetrahydro-3-furoic Acid (CAS 89364-31-8)
Recommended Standards
- 4-Aminophenol-d7 (CAS 285132-88-9)
- N-Methyl-4,5-dihydro-1,3-thiazol-2-amine (CAS 10416-51-0)
- 2-Ethyl-4-methyl-1,3-dioxolane (CAS 4359-46-0)
- 5-Methyl-4,5-dihydro-1,3-thiazol-2-amine (CAS 10416-80-5)
- 78-50-2 Trioctyl phosphine oxide Phosphine oxide, trioctyl- Trioctylphosphine oxide Cyanex 921 EINECS 201-121-3 Hostarex PX 324 TOPO Tri-n-octylphosphine oxide EC 201-121-3 (CAS 78-50-2)
- 5-Amino-1,3,4-thiadiazole-2-carbonitrile (CAS 1782071-20-8)
- 3-Iodo-4-(trifluoromethyl)pyridine (CAS 625115-02-8)
- Toringin (CAS 1329-10-8)
- δ-Cadinol (CAS 19435-97-3)
- Roflumilast Impurity 34 (CAS 1882067-44-8)
- Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6R)-Isomer (CAS 125971-94-0)
- 2-(Naphthalen-2-ylsulfonyl)acetonitrile (CAS 32083-60-6)
- Isavuconazole Impurity N14 (CAS 338990-63-9)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com