5,6-Dihydro-2H-thiopyran-3-carboxylic acid 1,1-dioxide CAS 167011-44-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 167011-44-1 |
| Molecular Formula | C6H8O4S |
| Molecular Weight | 176.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dihydro-2H-thiopyran-3-carboxylic acid 1,1-dioxide (CAS 167011-44-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H8O4S. Molecular weight: 176.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H8O4S |
| Molecular Weight | 176.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2004 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 3,4-Dihydro-2H-thiopyran-5-carboxylic acid 1,1-dioxide (CAS 99418-18-5)
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- 8-ethyl-3,4-dihydro-2H-1-benzopyran-4-one (CAS 1094750-05-6)
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Recommended Standards
- 1-(4-Fluorophenyl)-5-methyl-1H-pyrazole (CAS 166588-11-0)
- N-(1,2-oxazol-5-ylmethyl)methanesulfonamide (CAS 1698589-38-6)
- 1-(4-Fluorophenyl)-3-methyl-1h-pyrazole (CAS 166588-10-9)
- 5-(5-Bromo-2-hydroxy-3-methoxybenzylidene)-3-ethyl-2-thioxothiazolidin-4-one (CAS 359899-47-1)
- 3-Methoxy-2-methylpropane-1,2-diamine (CAS 1248944-55-9)
- 3-((3-Methoxypropyl)amino)thietane 1,1-dioxide (CAS 1865021-65-3)
- Bedaquiline impurity 39 (CAS 72543-44-3)
- 2-(3,5-Dimethylbenzoyl)-6-methoxypyridine (CAS 1187171-18-1)
- 1,3-Dimethoxy-N-methylpropan-2-amine (CAS 78531-30-3)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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 13829788188 / jacky.chen@cato-chem.com