L-Metionina ≥99%, Millipore®
Fornecedor: Merck
Sinônimos:
(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
Nível de qualidade M-Clarity™ = MQ100
1.05707.1000
1.05707.9010
1.05707.1000EA
502
EUR
1.05707.1000
1.05707.9010
L-Metionina ≥99%, Millipore®
L-Metionina
Fórmula:
C₅H₁₁NO₂S Peso Molecular: 149.21 g/mol Ponto de ebulição: 278 Ponto de Fusão: 136 Densidade: 1.373 g/cm³ (20 °C) Temperatura de Armazenamento: Ambiente |
Número MDL :
MFCD00063097 Número CAS: 63-68-3 EINECS: 200-562-9 Merck Index: 13,06004 |
Especificações dos Resultados do Teste
Assay (HClO4-titration) | 99% min |
Ammonium (NH4) | 0.01% max |
Appearance | Passes test |
Appearance of solution (0.5mol/L, HCl 1mol/L) | Passes test |
Arsenic (As) | 0.0005% max |
Calcium (Ca) | 0.001% max |
Chloride (Cl) | 0.02% max |
Cobalt (Co) | 0.0005% max |
Foreign amino acids | 0.3% max |
Heavy metals (as Pb) | 0.001% max |
Identity (IR-spectrum) | Passes test |
Iron (Fe) | 0.0005% max |
Loss on drying [105°, 3 hr) | 0..3% max |
Magnesium (Mg) | 0.0005% max |
Other ninhydrine positive substances (as glycine) | 0.1% max |
Potassium (K) | 0.0005% max |
Sodium (Na) | 0.005% max |
Specific rotation ([a]20/D, 5%, in 1N HCl) | +22.5-+23.5° |
Sulfate (SO4) | 0.01% max |
UV Absorption (260nm, 0.5mol/L, 1cm, HCl 1mol/L) | 0.5 max |
UV Absorption (280nm, 0.5mol/L, 1cm, HCl 1mol/L) | 0.2 max |
Zinc (Zn) | 0.0005% max |
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