3,4-dihydro-2H-thiopyran CAS 13042-80-3
| CAS No. | 13042-80-3 |
| Molecular Formula | C5H8S |
| Molecular Weight | 100.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,4-dihydro-2H-thiopyran under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3,4-dihydro-2H-thiopyran (CAS 13042-80-3), molecular formula C5H8S and molecular weight 100.18 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3,4-dihydro-2H-thiopyran (C5H8S) is characterized by sulfur-containing functionality. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H8S |
| Molecular Weight | 100.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1960 |
| Sulfur Atoms | 1 |
Related dihydro Standards
- 2,4-Dihydro-3H-pyrazole-3-thione (CAS 63562-25-4)
- (4,5-Dihydro-1H-imidazol-4-yl)methanol (CAS 1071753-95-1)
- (3R)-3,6-dihydro-2H-pyran-3-ol (CAS 1379810-22-6)
- 5,6-Dihydro-4H-1,3-oxazin-2-amine (CAS 1848-68-6)
- (3S)-3,6-dihydro-2H-pyran-3-ol (CAS 85620-84-4)
- 3,4-Dihydro-2H-pyran-6-ol (CAS 477330-52-2)
- 3,6-dihydro-2H-pyran-3-ol (CAS 445378-38-1)
- 3,6-DIhydro-2h-pyran-4-ol (CAS 378795-26-7)
Recommended Standards
- Hexanenitrile-6,6,6-d3 (CAS 1219805-03-4)
- 3-Methylidenethiolane (CAS 143435-56-7)
- Acetaldehyde Dimethyl Acetal-d10 (CAS 1219798-83-0)
- 4-Pentyne-1-thiol (>90%) (CAS 77213-88-8)
- 5-Butyl-6-ethyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 99167-36-9)
- Ethyl 2-cyano-3-methylhexanoate (CAS 19823-28-0)
- 1,6-Naphthyridine-5-carboxylic acid (CAS 74048-24-1)
- 3-(Hydrazinylmethyl)-1-methyl-1H-pyrazole (CAS 1550708-91-2)
- Ethyl (1S,3R,4S)-4-((tert-butoxycarbonyl)amino)-3-fluorocyclohexane-1-carboxylate (CAS 2306248-28-0)
- sodium 2-{2-[(3-methylpentan-2-yl)amino]-1,3-thiazol-4-yl}acetate (CAS 2060006-13-3)
- N-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-6-sulfonamide (CAS 379254-64-5)
- 4-Amino-5-chloro-6-(difluoromethyl)nicotinaldehyde (CAS 1806831-09-3)
- 2-(2,6-Difluorophenyl)-2-ethoxyethan-1-amine (CAS 1269528-24-6)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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