L-Methionine ≥99%, white crystalline powder cell culture reagent

Supplier: MP Biomedicals

Synonyms: (S)-(-)-2-Amino-4-(methylthio)butyric acid, (S)-(-)-Methionine, L(-)-Methionine, (S)-(-)-2-Amino-4-(methylthio)butanoic acid, H-Met-OH, Methionine, (S)-2-Amino-4-(methylthio)butanoic acid

0219470791 0219470725 0219470780 0219470790
ICNA0219470791EA 873 GBP
ICNA0219470791 ICNA0219470725 ICNA0219470780 ICNA0219470790
L-Methionine ≥99%, white crystalline powder cell culture reagent
L-Methionine

Storage: Store at Room Temperature (15-30 °C).
Methionine is one of the common sulfur-containing amino acids. Methionine is a common methyl-group donor to various substrates, such as creatine, epinephrine, ergosterol, and choline.


  • Cell Culture Reagent Grade
  • Presentation: White Crystalline Powder
  • pKa: 2.28, 9.21 (Lit.)
  • Soluble at 2.5 g to 100 mL of water.

Formula: C₅H₁₁NO₂S
MW: 149,21 g/mol
Boiling Pt: 278 °C (1013 hPa)
Melting Pt: 280…282 °C (lit.)
Density: 1,373 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00063097
CAS Number: 63-68-3
EINECS: 200-562-9
Merck Index: 13,06004

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Specification Test Results

Identity Test Passes
Purity ≥99%
FTIR Conforms to Standard
pH (1% aq soln) 5.6-6.1
Loss on Drying ≤0.3%
Optical Rotation (c=2, 6N HCl) +22.4° to 24.7°
Residue on Ignition ≤0.4%

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