5-(Methylthio)thiophene-2-carboxylic Acid CAS 20873-58-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20873-58-9 |
| Molecular Formula | C6H6O2S2 |
| Molecular Weight | 174.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Methylthio)thiophene-2-carboxylic Acid (CAS 20873-58-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H6O2S2. Molecular weight: 174.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H6O2S2 |
| Molecular Weight | 174.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 2 |
Related Methylthio Standards
- 5-(Methylthio)thiazole-2-carboxamide (CAS 1379026-56-8)
- 2-(Methylthio)thiophene-3-carboxylic acid (CAS 71154-30-8)
- 3,6-bis(methylthio)-1,2,4,5-tetrazine (CAS 1672-34-0)
- 2-(Methylthio)-1-(piperazin-1-yl)ethan-1-one (CAS 1042793-62-3)
- (S)-6-(2-(Methylthio)ethyl)piperazin-2-one (CAS 1240585-02-7)
- (R)-3-(2-(Methylthio)ethyl)piperazin-2-one (CAS 1240585-19-6)
- (R)-5-(2-(Methylthio)ethyl)piperazin-2-one (CAS 1240585-33-4)
- (R)-6-(2-(Methylthio)ethyl)piperazin-2-one (CAS 1240586-26-8)
Recommended Standards
- 5-(Methylsulfanyl)thiophene-3-carboxylic acid (CAS 88511-90-4)
- 5,5-Diethoxypentanal (CAS 79893-96-2)
- 5-(Aminomethylene)-3-methyl-2-thioxothiazolidin-4-one (CAS 73855-56-8)
- N-(4-((2-chlorophenyl)thio)phenyl)-2,6-difluorobenzamide (CAS 339105-26-9)
- 4,4'-(((2-Bromo-1,4-phenylene)bis(oxy))bis(methylene))bis(2,2-dimethyl-1,3-dioxolane) (CAS 1956332-70-9)
- Furosemide Impurity 48 Sodium Salt (CAS 133989-65-8（free base）)
- 5-(Chloromethyl)-2-(trifluoromethyl)pyrimidine (CAS 944901-26-2)
- Lovastatin Impurity 35 (CAS CATO-C4X-168435)
- 5-Fluoro-1-(tetrahydrothiophen-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 68321-44-8)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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