Thiophene-3-sulfonamide CAS 64255-63-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64255-63-6 |
| Molecular Formula | C4H5NO2S2 |
| Molecular Weight | 163.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Thiophene-3-sulfonamide (CAS 64255-63-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5NO2S2. Molecular weight: 163.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5NO2S2 |
| Molecular Weight | 163.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Thiophene Standards
- Thiophene-2-sulfonic acid (CAS 79-84-5)
- 2,2'-(Thiophene-2,3-diyl)diacetonitrile (CAS 38447-33-5)
- 2,2'-(Thiophene-2,5-diyl)diacetonitrile (CAS 702-22-7)
- 2,2'-(Thiophene-3,4-diyl)diacetonitrile (CAS 38447-32-4)
- thiophene-2-sulfonyl fluoride 382-99-0 VS-0067 (CAS 382-99-0)
- Thiophene-3-carboxylic acid 1,1-dioxide (CAS 1858240-97-7)
- Thiophene impurity 6 (CAS CATO-C4X-25476)
- 1305351-51-2 Thiophene, 4-chloro-2-(chloromethyl)- (CAS 1305351-51-2)
Recommended Standards
- Sarizotan Impurity 3 (CAS 404337-71-9)
- 2,3-Dihydro-5-methoxy-2-methyl-1H-indole 2-Methyl-5-methoxyindoline 41568-27-8 5-Methoxy-2-methylindoline (CAS 41568-27-8)
- Rotigotine Impurity 7 (CAS 94425-22-6)
- tert-Butyl [3,3'-biazetidine]-1-carboxylate hydrochloride (CAS 2007910-70-3)
- AZD-9567, >98% (HPLC) (CAS 1893415-00-3)
- cis-2-[2-(4-Methylphenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid (CAS 736136-31-5)
- 1-(3,4-Difluorophenyl)-3-(1,3-dioxolan-2-yl)propan-1-one (CAS 842124-00-9)
- 1-(4-Chlorophenyl)-4-(2-hydroxyethyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 1262865-49-5)
- Methyl (2-(4-bromophenyl)acetyl)glycinate (CAS 524032-63-1)
- Tirzepatide (CAS 2023788-19-2)
Why CATO?
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