DL-Methionine

• CAS: 59-51-8
• Catalog Number: ACM59518
• Category: Amino Acids
• Molecular Weight: 149.21
• Molecular Formula: CH3SCH2CH2CH(NH2)COOH
• Description: DL-Methionine is an essential amino acid containing sulphur. Methionine consists of an asymmetric carbon and exists as D (dextrogyre) and L (levogyre) optical isomers. The L-methionine is considered as biologically active. The racemic mixture of D and L-isomers forms DL-methionine, which is the commercially available methionine.
• Synonyms: (±)-2-Amino-4-(methylmercapto)butyric acid, DL-2-Amino-4-(methylthio)butanoic acid
• IUPAC Name: 2-Amino-4-methylsulfanylbutanoic acid
• Canonical SMILES: CSCCC(N)C(O)=O
• InChI: 1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)
• InChI Key: FFEARJCKVFRZRR-UHFFFAOYSA-N
• Melting Point: 280 ℃(dec.) (lit.)
• Density: 1.34 g/ml
• Solubility: H2O: soluble
• Appearance: White powder
• Application: DL-Methionine has been used to study its effect on the growth and feed utilization of Nile tilapia. It has also been used as a part of standard diet in animal models.
• Storage: Powder-20°C, 3 years; 4°C, 2 years; In solvent-80°C, 6 months; -20°C, 1 month.
• Assay: ≥99%
• Beilstein: 636185
• Biochem Physiol Actions: DL-Methionine is an amino acid that has a role in the defence of oxidative stress.
• Color: white
• EC Number: 200-432-1
• Form: powder
• MDL Number: MFCD00063096
• NACRES: NA.26
• Optical Activity: [α]/D, c = 5 in 5 M HCl (inactive)
• pH: 5.4-6.1
• Physical State: Solid
• PubChem ID: 24897336
• Quality Level: 200
• Shipping: Can be shipped at room temperature, where not in use may vary.
• Source: PlantsChenopodiaceaeKochia scoparia L. Schrad.
• Storage Temperature: 2-8℃
• Technique: cell culture | insect: suitable; cell culture | mammalian: suitable