Methionine EP Impurity A CAS 3226-65-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3226-65-1 |
| Molecular Formula | C5H11NO3S |
| Molecular Weight | 165.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Methionine EP Impurity A (CAS 3226-65-1) pharmacopoeial impurity standards reference standard. Molecular formula: C5H11NO3S. Molecular weight: 165.21 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H11NO3S |
| Molecular Weight | 165.21 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methionine Standards
- D-Methionine Sulfoxide (CAS 21056-56-4)
- Methionine Impurity 22 (CAS 23631-84-7)
- DL-Methionine D7 (CAS 331665-05-5)
- L-Methionine--13C5,15N (CAS 202468-47-1)
- (±)-Methionine-d4 (CAS 93709-61-6)
- L-Methionine-3,3,4,4 D4 (CAS 67866-75-5)
- L-Methionine-methyl-13C,methyl-d3 73488-65-0 (CAS 73488-65-0)
- D-Methionine-d3 (S-methyl-d3) (CAS 284665-18-5)
Recommended Standards
- Tryptophan Impurity 23 (CAS 62697-73-8)
- Dotinurad Impurity 84 (CAS CATO-C4X-249484)
- Axitinib Impurity 13 (CAS 2527-66-4)
- N-Nitroso Venlafaxine EP Impurity D (CAS 2680662-11-5)
- Belumosudil Impurity 47 (CAS 3084112-89-7)
- (E)-(Benzyloxy)({1-[3-(2,3-dihydro-1H-isoindol-2-yl)phenyl]ethylidene})amine (CAS 861211-04-3)
- 2-Chlorobenzenesulfonamide (CAS 6961-82-6)
- Tert-butyl (1R,3S,5R)-3-(2-methoxy-2-oxoethyl)-2-azabicyclo[3.1.0]Hexane-2-carboxylate (CAS 2414675-52-6)
- (3-Chloro-4-methoxyphenyl)(1-(trifluoromethyl)spiro[benzo[b]pyrrolo[1,2-d][1,4]oxazine-4,4'-piperidin]-1'-yl)methanone (CAS 1433633-45-4)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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