Substance
ID:351945
Names and Identifiers
IUPAC Traditional name
L-methionine
IUPAC name
(2S)-2-amino-4-(methylsulfanyl)butanoic acid
Synonyms
L-2-Amino-4-(methylthio)butanoic acid(S)-2-氨基-4-(甲硫基)丁酸L-2-氨基-4-(甲硫基)丁酸L-MethionineL-甲硫氨酸(S)-2-Amino-4-(methylmercapto)butyric acid
Registration numbers
Beilstein Number
CAS Number
MDL Number
EC Number
PubChem SID
Properties
Product Information
Cation Traces
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
Cr: ≤5 mg/kg
NH4+: ≤100 mg/kg
Al: ≤5 mg/kg
Cd: ≤5 mg/kg
Pb: ≤5 mg/kg
Ba: ≤5 mg/kg
Zn: ≤5 mg/kg
Fe: ≤5 mg/kg
As: ≤0.1 mg/kg
Bi: ≤5 mg/kg
Cu: ≤5 mg/kg
Mg: ≤5 mg/kg
Na: ≤50 mg/kg
Co: ≤5 mg/kg
Ca: ≤10 mg/kg
K: ≤50 mg/kg
Ni: ≤5 mg/kg
Mo: ≤5 mg/kg
Sr: ≤5 mg/kg
Purity
≥99.5% (NT)
Ignition Residue
≤0.1%
Impurities
insoluble matter, passes filter test
≤0.5% foreign amino acids
Linear Formula
CH3SCH2CH2CH(NH2)CO2H
Loss on Drying
≤0.1% loss on drying, 20 °C (HV)
Antion Traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg
Product Line
BioUltra
λ
0.5 M in 1 M HCl
Physical Property
Absorption Wavelength
λ: 260 nm Amax: 0.40
λ: 280 nm Amax: 0.05
Solubility
1 M HCl: soluble0.5 M at 20 °C, clear, colorless
Melting Point
284 °C (dec.)(lit.)
Optical Rotation
[α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Safety Information
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS
PD0457000
MSDS Link
German water hazard class
1
Pharmacology Properties
Gene Information
rat ... Ggt1(116568)
Molecule Details
Other Notes
Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid1; Spacer in isotachophoresis of serum proteins2; Essential in culture media for some malignant human cell lines3,4; Growth requirement of various microorganisms5
Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid1; Spacer in isotachophoresis of serum proteins2; Essential in culture media for some malignant human cell lines3,4; Growth requirement of various microorganisms5
Molecular Spectra
No Data Available
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References
No Data Available
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