L-Methionine is the L-isomer of methionine, an essential amino acid for human development. Methionine is important in many functions, including acting as a hepatoprotectant, an acetominophen poisoning antidote, and a urinary acidifier. It is also a chelating agent for heavy metals.
Soluble in 1M HCl (50 mg/ml), and water (56.6 mg/ml at 25° C). Insoluble in ethanol, acetone, and ether.
Store at room temperature
284° C (lit.)(dec.)
~306.9° C at 760 mmHg (Predicted)
n20D 1.53 (Predicted)
α25D 23°±1.1°, c = 2 in 6N HCl; α20D 24.2°±0.5°, c = 8 in HCl(1+1))(after drying); α20D 23°, c = 2 in 2N HCl; α20D 23.7°±0.5°, c = 5 in 5 M HCl
Copper-free calcein 1: EC5050 = 0.8 mM (bovine serum albumin)
S-ribosylhomocysteine lyase: Ki= 61 µM (Bacillus subtilis ); γ-glutamyltranspeptidase 1: Ki= 26.9 mM (rat); Fatty Acid Synthase: Ki>150 mM (human)
pKa: 2.23 (Predicted), 2.28, pKb: 9.4 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
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