L-Methionin 98+%
Plastic bottle, 500 g
Leverandør: Thermo Fisher Scientific
Gå til:
Product Details & Documents
Synonymer: (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
- CAS nummer:63-68-3
- Formel:C₅H₁₁NO₂S
- MDL nummer:MFCD00063097
- Molecular Weight:149.21 g/mol
- Merck Index:13,06004
- Kogende Pt:278 °C (1013 hPa)
- Smeltende Pt:276…279 °C (dec.)
- Tæthed:1,373 g/cm³ (20 °C)
- Opbevaringstemperatur:Køleskab
- EINECS:200-562-9
Documents
Specifikationer
Specifikationstestresultater
- Appearance:White Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (1 g, 105°C)
- Sulfated ash:≤0.4 %
- TLC:≤0.5 % of any individual impurity
- pH:5.5 to 6.5 (1 % in water)
- Specific optical rotation:+22.4° to +24.7° (20°C, 589 nm) (c=2, 6 N HCl)
- Titration with HClO4:98.0 to 102.0 % (on dried basis)
- Chloride (Cl):≤500 ppm
- Sulfate (SO4):≤300 ppm
- Iron (Fe):≤30 ppm
- Heavy metals (as Pb):≤15 ppm
Specifikationer
- Pakning:Plastic bottle
- Pakn:500 g
Specifikationer
Recommendations
Recommendations will be personalized based on your shopping preferences only if you have given your consent by enabling "Enhance my Shopping Experience" on the "Personal Info page".
Otherwise, you will receive generic recommendations.
Acetonitril, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments
Catalog #: 83639.320
Leverandør: VWR Chemicals
Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC
Catalog #: 20864.320
Leverandør: VWR Chemicals
Acetonitril ≥99.9%, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments
Catalog #: 83640.320
Leverandør: VWR Chemicals
Acetonitril ≥99.9%, LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®
Catalog #: 1.00030.2500
Leverandør: Merck
Natriumhydroxid 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution
Catalog #: 31770.294
Leverandør: VWR Chemicals
Vand, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments
Catalog #: 83645.320
Leverandør: VWR Chemicals
Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®
Catalog #: 1.09439.1000
Leverandør: Merck