Thermo Scientific Chemicals L-Methionine, 98+%

Product Code	Brand	Quantity	Packaging
10685602	Thermo Scientific Chemicals 166160250	25 g	Plastic Bottle
10255640	Thermo Scientific Chemicals 166161000	100 g	Plastic Bottle
10783904	Thermo Scientific Chemicals 166165000	500 g	Plastic Bottle
10689853	Thermo Scientific Chemicals 166160025	2.5 kg	Plastic Bottle

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.

Chemical Identifiers

• CAS: 63-68-3
• Molecular Weight (g/mol): 149.21
• InChI Key: FFEARJCKVFRZRR-BYPYZUCNSA-N
• PubChem CID: 6137
• SMILES: CSCC[C@H](N)C(O)=O

• Molecular Formula: C5H11NO2S
• MDL Number: MFCD00063097 MFCD00801344
• Synonym: l-methionine, methionine, h-met-oh, s-2-amino-4-methylthio butanoic acid, cymethion, l---methionine, liquimeth, s-methionine, l-methioninum, methilanin
• ChEBI: CHEBI:16643

Specifications

• Melting Point: 276.0°C to 279.0°C
• CAS: 63-68-3
• Color: White
• Heavy Metals (as Pb): 15ppm max.
• Infrared Spectrum: Authentic
• Assay Percent Range: 98+%
• Molecular Formula: C5H11NO2S
• MDL Number: MFCD00063097 MFCD00801344
• Specific Rotation: + 23.25
• Merck Index: 15, 6047
• Synonym: l-methionine, methionine, h-met-oh, s-2-amino-4-methylthio butanoic acid, cymethion, l---methionine, liquimeth, s-methionine, l-methioninum, methilanin
• InChI Key: FFEARJCKVFRZRR-BYPYZUCNSA-N
• IUPAC Name: (2S)-2-amino-4-(methylsulfanyl)butanoic acid
• Molecular Weight (g/mol): 149.21
• ChEBI: CHEBI:16643
• Percent Purity: ≥98%
• Chemical Name or Material: L-Methionine, 98+%

• Ammonium: 300ppm max.
• pH: 5.5 to 6.5 (aq. soln. 1 in 100)
• Chloride: 500ppm max.
• Individual Impurity: 0.5% max. of any individual impurity
• Iron (Fe): 30ppm max.
• Loss on Drying: 0.5% max. (1 g, 105°C)
• Linear Formula: CH₃SCH₂CH₂CH(NH₂)CO₂H
• Beilstein: 04, II, 938
• Sulfate: 300ppm max.
• 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
• SMILES: CSCC[C@H](N)C(O)=O
• Specific Rotation Condition: +23.25° (20°C c=2,6N HCl)
• PubChem CID: 6137
• Formula Weight: 149.21
• Physical Form: Crystalline Powder or Crystals

Safety and Handling

AIR SENSITIVE

missing translation for 'einecsNumber' : 200-562-9

missing translation for 'rtecsNumber' : PD0457000

missing translation for 'tsca' : TSCA

Product Identifier

• L-Methionine

RUO – Research Use Only