64319

L-Methionine

BioUltra, ≥99.5% (NT)

• Synonym(s): (S)-2-Amino-4-(methylmercapto)butyric acid, L-2-Amino-4-(methylthio)butanoic acid
• Linear Formula: CH₃SCH₂CH₂CH(NH₂)CO₂H
• CAS Number: 63-68-3
• Molecular Weight: 149.21
• Beilstein: 1722294
• EC Number: 200-562-9
• MDL number: MFCD00063097
• UNSPSC Code: 12352209
• eCl@ss: 32160406
• PubChem Substance ID: 57651979
• NACRES: NA.26

Properties

• biological source: synthetic
• Quality Level: 200
• 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 (SO₄^2-): ≤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 A_max: 0.40; λ: 280 nm A_max: 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

Application

<ul>
<li><strong>ROS-Responsive and Self-Tumor Curing Methionine Polymer Library Based Nanoparticles with Self-Accelerated Drug Release and Hydrophobicity/Hydrophilicity Switching Capability for Enhanced Cancer Therapy</strong>: This publication details the development of L-Methionine based nanoparticles, showcasing its pivotal role in advancing drug delivery systems for cancer treatment. The study highlights the potential of these systems in enhancing therapeutic efficacy through controlled drug release (Liu et al., 2024).</li>
<li><strong>N-acetyl-l-methionine dietary supplementation improves meat quality by oxidative stability of finishing Angus heifers</strong>: This study explores the benefits of L-Methionine supplementation in animal diets, emphasizing its impact on improving meat quality and oxidative stability, which is crucial for the meat production industry and nutritional science (Liu et al., 2024).</li>
</ul>

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 Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves