D-Methionine 99+%
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:348-67-4
:
Formula:C₅H₁₁NO₂S
MDL Number:MFCD00002622
:149.21 g/mol
Merck Index:13,06004
Boiling Pt:278 °C (1013 hPa)
Storage Temperature:Koelkast
EINECS:206-483-6
Specification Test Results
- Appearance:White to off-white Powder
- Infrared spectrum:Conforms
- Loss on drying:≤0.3 %
- Sulfated ash:≤0.1 %
- UV transmittance:≥98 % (c=3, H2O, 430 nm) 1 cm cell
- Specific optical rotation:-23° to -25° (20°C, 589 nm) (c=8, 6 N HCl) (on dried substance)
- Titration with HClO4:99.0 to 101.0 % (on dried substance)
- Chloride (Cl):≤300 ppm
- Sulfate (SO4):≤300 ppm
- Ammonium (NH4):≤200 ppm
- Arsenic (As):≤1 ppm
- Iron (Fe):≤10 ppm
- Heavy metals (as Pb):≤10 ppm
- Other amino acids:(TLC) not detectable
Specification Test Results
Product Information
- Catalog #Supplier #VerpakkingVPEAvailabilityPrice
- Supplier Article Number: 227210050Local Article Number: ACRO227210050
- Supplier Article Number: 227210250Local Article Number: ACRO227210250
- Supplier Article Number: 227211000Local Article Number: ACRO227211000