2,5-Dihydrothiophene-3,4-dicarboxylic Acid CAS 20688-07-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20688-07-7 |
| Molecular Formula | C6H6O4S |
| Molecular Weight | 174.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,5-Dihydrothiophene-3,4-dicarboxylic Acid (CAS 20688-07-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H6O4S. Molecular weight: 174.17 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H6O4S |
| Molecular Weight | 174.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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 |
Related Dihydrothiophene Standards
- Methyl 2,5-dihydrothiophene-3-carboxylate 1,1-dioxide (CAS 67488-50-0)
- 3-Phenyl-2,5-dihydrothiophene 1,1-dioxide (CAS 57465-40-4)
- Methyl 2,5-dihydrothiophene-3-carboxylate (CAS 67488-46-4)
- 2,3-Dihydrothiophene-3-ol 1,1-dioxide (CAS 6211-59-2)
- 3-Methyl-2,5-dihydrothiophene-1,1-dioxide (CAS 1193-10-8)
- 2-Methyl-2,5-dihydrothiophene 1,1-dioxide (CAS 6007-71-2)
- 4-Methyl-2,3-dihydrothiophene 1,1-Dioxide (CAS 872-94-6)
- 2,5-Dihydrothiophene-3-sulfonyl chloride 1,1-dioxide (CAS 112161-61-2)
Recommended Standards
- 2-(7-Fluoro-1H-indol-3-yl)acetonitrile (CAS 959236-14-7)
- 2-Fluoro-1-naphthalenecarboxaldehyde (CAS 82128-49-2)
- 2-(5-Fluoro-1h-indol-3-yl)acetonitrile (CAS 73139-85-2)
- (5-Carbamoylpyridin-3-yl)boronic acid (CAS 1321900-96-2)
- (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-(propan-2-yloxy)propanoic acid (CAS 711018-10-9)
- (R)-1-(2,3-dimethylphenyl)-2,2-dimethylpropan-1-amine (CAS 1390668-49-1)
- 2-((2,6-Dichlorobenzyl)oxy)-5-methoxybenzaldehyde (CAS 1094483-21-2)
- (S)-1-(4-Fluorophenyl)propan-1-amine hydrochloride (CAS 1145786-74-8)
- Cbz-L-alaninol (CAS 66674-16-6)
- Osteoblast Activating Peptide (mouse, rat) (H-7262.0500) (CAS 1222950-80-2)
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