Dimethyl 2,5-dihydrothiophene-3,4-dicarboxylate CAS 20946-32-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20946-32-1 |
| Molecular Formula | C8H10O4S |
| Molecular Weight | 202.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Dimethyl 2,5-dihydrothiophene-3,4-dicarboxylate (CAS 20946-32-1) pharmaceutical standards reference standard. Molecular formula: C8H10O4S. Molecular weight: 202.23 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H10O4S |
| Molecular Weight | 202.23 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Dihydro-1-(2-methoxyethyl)-2-thioxo-4,6(1H,5H)-pyrimidinedione (CAS 560995-25-7)
- Ethyl 2-amino-4-(hydroxymethyl)thiazole-5-carboxylate (CAS 25039-77-4)
- Benzo[4,5]thieno[3,2-d]pyrimidin-4(3H)-one (CAS 36822-08-9)
- 5-Amino-3-methyl-1-phenylpyrazole-4-thiol (CAS 96497-49-3)
- 5-(Pyridin-3-yl)pyrimidine (CAS 73082-69-6)
- 2-Chloro-1,2,3,4-tetrahydronaphthalen-1-one (CAS 17215-80-4)
- Pyrrolidine, 2-methyl-5-phenyl- (CAS 1357391-22-0)
- (4-Cyclopentylthiophen-2-yl)boronic acid (CAS 2225179-88-2)
- N-benzyl-2-bromo-N-methylprop-2-en-1-amine (CAS 111831-90-4)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com