Amino Acids SMPR- August 25, 2018
L-isoleucine
(2S,3S)-2-amino-3-methylpentanoic acid (2S)-2-amino-4-methylpentanoic acid
73-32-5 61-90-5 56-87-1 63-68-3 63-91-2 147-85-3 56-45-1 72-19-5 73-22-3 60-18-4 72-18-4 107-35-7
L-leucine
L-lysine
(2S)-2,6-diaminohexanoic acid
L-methionine L-phenylalanine
(2S)-2-amino-4-methylsulfanylbutanoic acid (2S)-2-amino-3-phenylpropanoic acid (2S)-pyrrolidine-2-carboxylic acid (2S)-2-amino-3-hydroxypropanoic acid (2S,3R)-2-amino-3-hydroxybutanoic acid (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
L-proline L-serine
L-threonine L-tryptophan
L-tyrosine
L-valine taurine
(2S)-2-amino-3-methylbutanoic acid
2-aminoethanesulfonic acid
a Determined only as free amino acids. b Not reported separately when acid hydrolysis is used. c Generally not reported separately.
82 83 84
4. Method Performance Requirements:
0.5-2500*
Analytical range
Limit of Quantitation (LOQ)
≤ 0.5*
Recovery
0.5 – 5.0* 5.0 – 150 150 – 2500 0.5 – 5.0* 5.0 – 150 150 – 2500 0.5 – 5.0* 5.0 – 150 150 – 2500
± 12% + 10%
+ 7%
Repeatability (RSD r )
≤ 7 % ≤ 5 % ≤ 3 %
Reproducibility (RSD R )
≤ 11 %
≤ 8 % ≤ 5 %
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