L-Methionine CAS 63-68-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 63-68-3 |
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order L-Methionine (CAS 63-68-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H11NO2S. Molecular weight: 149.21 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H11NO2S |
| Molecular Weight | 149.21 g/mol |
| Purity | >95% |
| 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) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related L Standards
- D-Methionine (CAS 348-67-4)
- Dl-Methionine (CAS 59-51-8)
- 68799-90-6 (1-~13~C)Methionine DTXSID00583944 (CAS 68799-90-6)
- 81202-04-2 L-Methionine-(carboxy-13C,methyl-d3) L-Methionine-1-13C SILAC Amino Acid (CAS 81202-04-2)
- DL-Methionine-2-d1 (CAS 67866-74-4)
- L-Methionine-34S (CAS 1006386-95-3)
- D-Methionine-d3 (S-methyl-d3) (CAS 284665-18-5)
- Methionine-methyl-d3 (CAS 284665-20-9)
Recommended Standards
- Benzyl Thiocyanate (CAS 3012-37-1)
- Hydantoin Impurity 2 (CAS 49540-21-8)
- D-Penicillamine (CAS 52-67-5)
- 3-(4-Chlorophenyl)-4-(piperidin-1-ylmethyl)isoxazol-5(2H)-one (CAS 61194-93-2)
- 2-Amino-2-(5-bromo-2-fluorophenyl)propanoic acid hydrochloride (CAS 1374765-83-9)
- 3-(Benzylsulfanyl)-1,2,4-thiadiazol-5-amine (CAS 83757-08-8)
- 6-Fluoro-4-methylnicotinaldehyde (CAS 1266253-68-2)
- 2,6-Difluoro-[1,1'-biphenyl]-4-amine (CAS 1208083-67-3)
- N1,N1-dimethyl-2-(4-chloro-3,5-dimethylphenoxy)-5-(trifluoromethyl)aniline (CAS 218156-44-6)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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