L-Amino Acids and Derivatives
Of the standard alpha-amino acids, all but glycine can exist in either of two optical isomers, called L or D amino acids, which are mirror images of each other. L-amino acids are the isomers found in proteins within the body. Amino acids are essential to life, have a role in metabolism, and are important in nutrition. They form short polymer chains called peptides, as well as longer chains that are called polypeptides or proteins. About 75 percent of the human body is made up of chains of amino acids and all the chemical reactions that occur in the body depend on amino acids and the proteins they build.
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3,3',5-Triiodo-L-thyronine, Free AcidStarting at $99.20
C15H12I3NO4 T2780 6893-02-3 Spectrum Chemical
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3-Amino-L-tyrosine Dihydrochloride, Monohydrate
Starting at $76.80
C9H12N2O3•2HCl•H2O A3228 23279-22-3 Spectrum Chemical
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Cysteine Hydrochloride, Monohydrate, USP
Starting at $81.15
C3H7NO2S•HCl•H2O C1473 7048-04-6 Spectrum Chemical
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L-Alanine, USP, EP, JP, bioCERTIFIED (TM)
Starting at $200.00
C3H7NO2 A9100 56-41-7 Spectrum Chemical
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L-Alanyl-L-Glutamine, bioCERTIFIED (TM)
Starting at $2,003.40
C8H15N3O4 G9715 39537-23-0 Spectrum Chemical
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