Thieno[2,3-b]thiophene-2-carbaldehyde CAS 31486-85-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31486-85-8 |
| Molecular Formula | C7H4OS2 |
| Molecular Weight | 168.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Thieno[2,3-b]thiophene-2-carbaldehyde (CAS 31486-85-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H4OS2. Molecular weight: 168.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H4OS2 |
| Molecular Weight | 168.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Sulfur Atoms | 2 |
Related Thieno Standards
- Thieno[2,3-d]pyrimidine-4-thiol (CAS 14080-55-8)
- thieno[3,2-d]pyrimidine-4-thiol (CAS 16229-24-6)
- Thieno[3,2-b]thiophene-2-carbaldehyde (CAS 31486-86-9)
- thieno[3,2-b]pyridine-6-carbonitrile (CAS 116538-95-5)
- thieno[2,3-b]pyridine-5-carbonitrile (CAS 21344-31-0)
- 1H-thieno[3,2-c]pyrazole-5-carboxylic acid (CAS 1313726-01-0)
- Thieno[3,2-b]furan-5-carboxylic acid (CAS 1334148-11-6)
- Thieno[2,3-b]pyrazine-2,3(1H,4H)-dione (CAS 149587-32-6)
Recommended Standards
- Thiazolo[5,4-b]pyridine-2-thiol (CAS 57135-09-8)
- Thiazole Impurity 3 (CAS 19960-72-6)
- 19805-75-5 2,2,5,5-Tetramethyl-3-pyrroline-3-carboxamide 2,5-Dihydro-2,2,5,5-tetramethyl-1H-pyrrole-3-carboxamide 3-Aminocarbonyl-2,2,5,5-tetramethyl-3-pyrroline 3-Carbamoyl-2,2,5,5-tetramethyl-3-pyrroline (CAS 19805-75-5)
- Guanosine-5-O-(1-thiotriphosphate) (CAS 81570-50-5)
- 2-(((Benzyloxy)carbonyl)amino)-3-cyclopropylpropanoic acid (CAS 1260642-92-9)
- 6-Methyl-3-phenylquinolin-2-ol (CAS 73108-78-8)
- Dipivefrine EP Impurity A (CAS 329-65-7)
- N-(4-Aminophenyl)-2-(2-chlorophenoxy)acetamide (CAS 953886-54-9)
- Milrinone impurity 39 (CAS CATO-C4X-109139)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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