Thiophene-3-sulfinic acid CAS 101250-92-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 101250-92-4 |
| Molecular Formula | C4H4O2S2 |
| Molecular Weight | 148.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Thiophene-3-sulfinic acid (CAS 101250-92-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4O2S2. Molecular weight: 148.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4O2S2 |
| Molecular Weight | 148.20 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Sulfur Atoms | 2 |
Related Thiophene Standards
- Thiophene-2-sulfinic acid (CAS 40723-34-0)
- Thiophene-3-carbothioic acid amide thiophene-3-thioamide thiophene-3-thiocarboxamide thiophene-3-carbothioamide 3-Thiophenethiocarboxamide 24044-76-6 (CAS 24044-76-6)
- Thiophene-2,3-dimethanol (CAS 13250-85-6)
- thiophene-2,4-dicarbaldehyde (CAS 932-93-4)
- Thiophene-2,5-diyldimethanol (CAS 6007-86-9)
- 932-95-6 A844510 thiophene-2,5-dicarbaldehyde thiophene-2,5-dicarboxaldehyde (CAS 932-95-6)
- Thiophene impurity 5 (CAS CATO-C4X-25475)
- Thiophene-2-carbonyl isocyanate (CAS 4753-94-0)
Recommended Standards
- (R)-2-(Pyrrolidin-3-yl)pyridine (CAS 1008112-19-3)
- 1,1,3-Trimethoxybutane (CAS 10138-89-3)
- (S)-2-(Pyrrolidin-3-yl)pyridine (CAS 1008112-18-2)
- (2-(2-((Tert-butyldimethylsilyl)oxy)ethyl)phenyl)boronic acid (CAS 913835-62-8)
- Ethyl (2-(2,2-di(1H-indol-3-yl)ethyl)phenyl)carbamate (CAS 88048-51-5)
- 8-Methyl-2-((methylamino)methyl)quinazolin-4-ol (CAS 1322605-15-1)
- 3-Chloro-1-methyl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 17012-31-6)
- tert-butyl N-[(3R,4R)-3-aminotetrahydropyran-4-yl]carbamate (CAS 1340474-87-4)
- α-Hydroxy(E)-Olopatadine (CAS 1331822-32-2)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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