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64319 Sigma-Aldrich

L-Methionine

BioUltra, ≥99.5% (NT)

Synonym: (S)-2-Amino-4-(methylmercapto)butyric acid, L-2-Amino-4-(methylthio)butanoic acid

  • CAS Number 63-68-3

  • Linear Formula CH3SCH2CH2CH(NH2)CO2H

  • Molecular Weight 149.21

  •  Beilstein/REAXYS Number 1722294

  •  EC Number 200-562-9

  •  MDL number MFCD00063097

  •  eCl@ss 32160406

  •  PubChem Substance ID 57651979

  •  NACRES NA.26

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Properties

Related Categories Amino Acids, Amino acids, BioUltra, Biochemicals and Reagents, Cell Biology,
Quality Level   200
biological source   synthetic
product line   BioUltra
assay   ≥99.5% (NT)
form   powder or crystals
optical activity   [α]20/D +23.7±0.5°, c = 5% in 5 M HCl
impurities   insoluble matter, passes filter test
  ≤0.5% foreign amino acids
ign. residue   ≤0.1%
loss   ≤0.1% loss on drying, 20 °C (HV)
color   white
mp   284 °C (dec.) (lit.)
solubility   1 M HCl: 0.5 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤100 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  NH4+: ≤100 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   0.5 M in 1 M HCl
UV absorption   λ: 260 nm Amax: 0.40
  λ: 280 nm Amax: 0.05
SMILES string   CSCC[C@H](N)C(O)=O
InChI   1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
InChI key   FFEARJCKVFRZRR-BYPYZUCNSA-N
Gene Information   rat ... Ggt1(116568)

Description

Other Notes

Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid; Spacer in isotachophoresis of serum proteins; Essential in culture media for some malignant human cell lines; Growth requirement of various microorganisms

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites

Related Content

Amino Acids Reference Charts

Amino acids are the compounds or building blocks that make up peptides and proteins. Each amino acid is structured from an amino group and a carboxyl group bound to a tetrahedral carbon. This carbon ...
Keywords: Building blocks, Gene expression, Mass spectrometry

Peer-Reviewed Papers
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References

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