1,1-Dioxo-2,5-dihydro-1lambda6-thiophene-3-carbonitrile CAS 122131-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 122131-77-5 |
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1-Dioxo-2,5-dihydro-1lambda6-thiophene-3-carbonitrile (CAS 122131-77-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H5NO2S. Molecular weight: 143.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dioxo Standards
- 3,5-Dioxo-1,2,4-triazolidine-1-carboxamide (CAS 88947-34-6)
- 1,1-dioxo-1λ⁶-thiolane-3-carbonitrile (CAS 17389-09-2)
- 2,4-Dioxo-3,4-dihydropyrimidine-1(2H)-carbaldehyde (CAS 219818-01-6)
- 2,5-Dioxo-2,5-dihydro-1h-pyrrole-1-carboxamide (CAS 3345-50-4)
- 6,6-Dioxo-6-thia-1-azaspiro[3.3]heptane (CAS 1272412-71-1)
- 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetaldehyde (CAS 188985-04-8)
- 4-Methyl-2,2-dioxo-1,3,2-dioxathiolane (CAS 5689-83-8)
- 3,5-dioxo-2H-1,2,4-triazine-6-carbonitrile (CAS 88796-54-7)
Recommended Standards
- 3-Methyl-2-oxo-2,3-dihydrothiazole-5-carbaldehyde (CAS 1211513-62-0)
- 2-Ethyl-3-methylmaleic Anhydride-d3 (CAS 1346599-26-5)
- 5-Methylthiazole-4-carboxylic acid (CAS 120237-76-5)
- (butan-2-yl)(methoxy)amine hydrochloride (CAS 1421602-73-4)
- 6-Bromo-8-fluoro-4-methylquinoline (CAS 1513146-12-7)
- 5-Chloro-2-phenylquinazolin-4(3H)-one (CAS 19407-57-9)
- Cholecalciferol Impurity 12 (CAS 156965-15-0)
- 2-(Tert-butyl) 3-ethyl (1R,3S,5S)-5-(hydroxymethyl)-2-azabicyclo[3.1.0]Hexane-2,3-dicarboxylate (CAS 1386461-22-8)
- 3,3-Dimethyl-1-[3-methyl-4-(propan-2-yl)phenyl]urea (CAS 79473-12-4)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
Why CATO?
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