L-Methionine-(S)-sulfoximine CAS 21752-32-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21752-32-9 |
| Molecular Formula | C5H12N2O3S |
| Molecular Weight | 180.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies L-Methionine-(S)-sulfoximine (CAS 21752-32-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H12N2O3S. Molecular weight: 180.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H12N2O3S |
| Molecular Weight | 180.23 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related L Standards
- L-Methionine [R,S]-Sulfoximine (CAS 15985-39-4)
- DL-Methionine Sulfone (CAS 820-10-0)
- L-Methionine Sulfone (CAS 7314-32-1)
- Methionine Impurity 1 (CAS 1509-92-8)
- D-Methionine Sulfoxide (CAS 21056-56-4)
- Methionine Impurity 22 (CAS 23631-84-7)
- Methionine EP Impurity A (CAS 3226-65-1)
- DL-Methionine D7 (CAS 331665-05-5)
Recommended Standards
- Ethyl 10-chloro-10-oxodecanoate (CAS 6946-46-9)
- n-(3-Sulfamoylpropyl)acetamide (CAS 861059-86-1)
- 9-Methyl-8-(methylthio)-9H-purine (CAS 24851-51-2)
- Benzyl (2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)carbamate (CAS 108895-98-3)
- Ethyl 3-(((benzyloxy)carbonyl)amino)-3-methylbutanoate (CAS 1381947-21-2)
- N-(4-Nitrophenylsulfonyl)-L-phenylalanine (CAS 64501-87-7)
- 1H-imidazole-2-sulfonyl chloride (CAS 281221-70-3)
- Venetoclax Impurity 96 (CAS CATO-C4X-249596)
- 8-Methoxy-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 35975-70-3)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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