L-Methionine

L-Methionine

L-Methionine
CAS # 63-68-3
C5H11NO2S

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MET-34C

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CAS # 63-68-3
Formula: C5H11NO2S
Molecular Weight: 149.21
Purity: > 99 %
Transmittance (T430): > 98 %
pH: 5.6 - 6.1
Loss on drying: < 0.2 %
Sulfates: < 0.02 %
Chloride: < 0.02 %
Ammonium: < 0.02 %
Arsenic: < 1 ppm
Heavy metals: < 5 ppm
Iron: < 10 ppm
Specific rotation [α]20D : +23 - +24 °
Specific rotation  [α]25D : +22.4 - +24.7 °
Residue on ignition: < 0.1 %
Foreign amino acids (TLC, 50μg): < 0.5 %
Storage: Room temperature
Stability At least 2 years.

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