5,5-dioxo-4H,6H,7H-1,5$l^{6}-thieno[3,2-c]thiopyran-2-carboxylic acid CAS 1247630-44-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1247630-44-9 |
| Molecular Formula | C8H8O4S2 |
| Molecular Weight | 232.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5-dioxo-4H,6H,7H-1,5$l^{6}-thieno[3,2-c]thiopyran-2-carboxylic acid (CAS 1247630-44-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8O4S2. Molecular weight: 232.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H8O4S2 |
| Molecular Weight | 232.28 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3-Cyclohexyl-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol (CAS 1246553-27-4)
- tert-Butyl 5-amino-2H-isoindole-2-carboxylate (CAS 1251001-40-7)
- 4-(tert-Butoxy)-5-cyclopropoxynicotinonitrile (CAS 1243479-64-2)
- 3-(1-(3-Chloropropyl)piperidin-4-yl)-6-fluorobenzo[d]isoxazole, 97% (CAS 329977-73-3)
- 3-Methyl-4,6-bis(trifluoromethyl)isoxazolo[5,4-b]pyridine (CAS 380467-40-3)
- Tapentadol Impurity 13 (CAS CATO-C4X-209913)
- p-Aminooxanilic Acid (CAS 103-92-4)
- p-Nitro-Cyclic Pifithrin-a (CAS 60477-38-5)
- Uracil-5-carboxylicacid (CAS 23945-44-0)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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