1-Methyl-4-sulfanylpyrrolidin-2-one CAS 222856-41-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 222856-41-9 |
| Molecular Formula | C5H9NOS |
| Molecular Weight | 131.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Methyl-4-sulfanylpyrrolidin-2-one (CAS 222856-41-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H9NOS. Molecular weight: 131.20 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H9NOS |
| Molecular Weight | 131.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1-Methoxy-2-isothiocyanato propane (CAS 362601-74-9)
- 2-(Methoxymethyl)-4,5-dihydro-1,3-thiazole (CAS 70349-07-4)
- 1-ethoxy-2-isothiocyanatoethane (CAS 59565-11-6)
- 2-(3-Chlorophenyl)-3-oxopentanenitrile (CAS 77186-53-9)
- Muramic Acid (CAS 1114-41-6)
- (S)-1-(4-Fluoropyridin-2-yl)ethan-1-ol (CAS 2227696-68-4)
- Cyclopentyl(piperazin-1-yl)methanone (CAS 64579-56-2)
- H-D-Ala-D-Ala-OH (CAS 923-16-0)
- Gadoteridol Impurity 53 (CAS CATO-C4X-225753)
- Tirzepatide Impurity 47 (CAS CATO-C4X-324047)
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