7-Oxo-4,7-dihydro-5H-thieno[2,3-c]pyran-5-carboxylic acid CAS 1312137-84-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1312137-84-0 |
| Molecular Formula | C8H6O4S |
| Molecular Weight | 198.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Oxo-4,7-dihydro-5H-thieno[2,3-c]pyran-5-carboxylic acid (CAS 1312137-84-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6O4S. Molecular weight: 198.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6O4S |
| Molecular Weight | 198.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid (CAS 1427667-74-0)
- 5-Oxo-2,3-dihydro-5H-pyrimido[2,1-b][1,3]thiazole-6-carboxylic acid (CAS 32084-55-2)
- 9-methyl-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one (CAS 1012068-73-3)
- 5-Phenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 142954-77-6)
- 2-(4,5-Dihydro-1H-imidazol-2-yl)quinoxaline (CAS 187753-87-3)
- 1-Methyl-2,9-dihydro-3H-pyrido[3,4-b]indol-3-one (CAS 35296-52-7)
- 2,3-dihydro-1H-indole-7-sulfonamide (CAS 111048-65-8)
- 5-Methyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid (CAS 1169491-35-3)
Recommended Standards
- 4-(6-Fluoropyridin-2-yl)benzonitrile (CAS 1245646-03-0)
- 2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide (CAS 13338-00-6)
- 4-Cyano-3-hydroxybenzenesulfonamide (CAS 1243458-36-7)
- 2-(Pyrimidin-5-yl)acetaldehyde (CAS 944898-40-2)
- 5-Bromo-2-formylbenzoic acid (CAS 4785-52-8)
- 4-[(1,3-thiazol-2-yl)sulfamoyl]benzoic acid (CAS 857540-99-9)
- 2-(2-Sulfanyl-1,3-thiazol-4-yl)acetic acid (CAS 36365-79-4)
- 2-Chloro-5-(1,1,2,2-tetrafluoroethoxy)phenylacetic acid (CAS 1309602-07-0)
- Rocuronium Bromide EP Impurity H (CAS 1190105-67-9)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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