3-Methylthieno[3,2-b]thiophene-2-carboxylic acid CAS 1901-41-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1901-41-3 |
| Molecular Formula | C8H6O2S2 |
| Molecular Weight | 198.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methylthieno[3,2-b]thiophene-2-carboxylic acid (CAS 1901-41-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H6O2S2. Molecular weight: 198.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H6O2S2 |
| Molecular Weight | 198.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Sulfur Atoms | 2 |
Related Methylthieno Standards
- 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid (CAS 70060-21-8)
- 3-Methylthieno[2,3-c]isothiazole-5-carboxylic acid (CAS 82000-58-6)
- 5-methylthieno[2,3-c]isoquinoline (CAS 1558046-65-3)
- 5-methylthieno[3,2-c]isoquinoline (CAS 894102-32-0)
- 6-methylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 193400-55-4)
- 5-methylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 193400-56-5)
- 3-methylthieno[2,3-c]pyridine-7-carboxylic acid (CAS 2306272-59-1)
- 5-Ethyl-6-methylthieno[2,3-d]pyrimidin-4-ol (CAS 439692-89-4)
Recommended Standards
- methyl 3-methylimidazo[1,5-a]pyridine-7-carboxylate (CAS 1892799-57-3)
- rac-(2R,3S)-2-(piperidin-4-yl)oxolane-3-carboxamide (CAS 1909293-65-7)
- Ethyl 4-Oxo-2-nonenoate (CAS 18812-29-8)
- 2,5-Dibromo-4-ethoxypyridine (CAS 52311-22-5)
- 4-(2-Chloro-6-fluorophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1248079-27-7)
- 1398AF 5,7-Dimethyl-pyrazolo[1,5-a]pyrimidine-3-carbaldehyde 878414-63-2 C9H9N3O (CAS 878414-63-2)
- Omeprazole Impurity 54 (CAS 187222-18-0)
- oxyfenamate (CAS 50-19-1)
- 3-Tert-butyl-1,2,3,4-tetrahydroquinoline (CAS 1344085-17-1)
- Eledoisin Related Peptide (CAS 2990-43-4)
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