thiophene-2-sulfonyl isocyanate CAS 64902-33-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64902-33-6 |
| Molecular Formula | C5H3NO3S2 |
| Molecular Weight | 189.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
thiophene-2-sulfonyl isocyanate (CAS 64902-33-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H3NO3S2. Molecular weight: 189.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H3NO3S2 |
| Molecular Weight | 189.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related thiophene Standards
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- 2-(Thiophene-2-carboxamido)acetic acid (CAS 33955-17-8)
- 3-Methyl-2-(thiophene-3-carbonyl)butanenitrile (CAS 1250351-55-3)
- 2-(thiophene-3-carbonyl)pentanenitrile (CAS 1510899-06-5)
- Thiophene-2-sulfonyl Chloride (CAS 16629-19-9)
Recommended Standards
- Tetrahydro-2-(2-nitropropoxy)-2H-pyran (CAS 97945-38-5)
- Trans-3-methyl-5-phenyl-4,5-dihydroisoxazole-4-carbaldehyde (CAS 89479-65-2)
- tert-butyl 4-hydroxyisoxazolidine-2-carboxylate (CAS 262444-52-0)
- 3-(Thiophene-2-carboxamido)cyclohexyl phenylcarbamate (CAS 1351609-11-4)
- [2-(difluoromethoxy)-6-fluorophenyl]methanamine (CAS 1153055-77-6)
- 2-Amino-3-(3-fluoro-5-(trifluoromethyl)phenyl)propanoic acid (CAS 1259992-93-2)
- 3-(Cyanomethyl)-5-(difluoromethyl)isonicotinonitrile (CAS 1805303-71-2)
- Ethyl 3-(hydroxymethyl)cyclohexane-1-carboxylate (CAS 190321-53-0)
- 2-Amino-2-(2-bromo-4-chlorophenyl)ethan-1-ol (CAS 1273663-48-1)
- β-Asp9-Tirzepatide (CAS CATO-CPTD788931)
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