Thermo Scientific Chemicals L-Methionine, 98+%

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 63-68-3
• Molecular Formula: C5H11NO2S
• Molecular Weight (g/mol): 149.21
• MDL Number: MFCD00063097 MFCD00801344
• InChI Key: FFEARJCKVFRZRR-BYPYZUCNSA-N
• Synonym: l-methionine, methionine, h-met-oh, s-2-amino-4-methylthio butanoic acid, cymethion, l---methionine, liquimeth, s-methionine, l-methioninum, methilanin
• PubChem CID: 6137
• ChEBI: CHEBI:16643
• SMILES: CSCC[C@H](N)C(O)=O

• Melting Point: 276.0°C to 279.0°C
• Ammonium: 300ppm max.
• pH: 5.5 to 6.5 (aq. soln. 1 in 100)
• Color: White
• Chloride: 500ppm max.
• Heavy Metals (as Pb): 15ppm max.
• Individual Impurity: 0.5% max. of any individual impurity
• Infrared Spectrum: Authentic
• Iron (Fe): 30ppm max.
• Assay Percent Range: 98+%
• Loss on Drying: 0.5% max. (1 g, 105°C)
• Packaging: Plastic Bottle
• Linear Formula: CH₃SCH₂CH₂CH(NH₂)CO₂H
• Beilstein: 04, II, 938
• Specific Rotation: + 23.25
• Sulfate: 300ppm max.
• Merck Index: 15, 6047
• Sulfated Ash: 0.1% max.
• Solubility Information: Solubility in water: soluble in water: 53.7g/L (20°C). Other solubilities: insoluble in abs.alcohol, ether, petr.ether,, benzene,acetone, ethanol, diethylether, soluble in mineral acids, soluble in warm, dilute alcohol
• IUPAC Name: (2S)-2-amino-4-(methylsulfanyl)butanoic acid
• Specific Rotation Condition: +23.25° (20°C c=2,6N HCl)
• Quantity: 25 g
• Formula Weight: 149.21
• Percent Purity: ≥98%
• Physical Form: Crystalline Powder or Crystals
• Chemical Name or Material: L-Methionine, 98+%

Safety and Handling

Product Identifier

• L-Methionine

RUO – Research Use Only