The Toolbox contains the 20 standard Fmoc-amino acid L-derivatives at 5 g per each vial. These are Fmoc-Ala-OH · H₂O (No. 4003167), Fmoc-Arg(Pbf)-OH (No. 4089151), Fmoc-Asn(Trt)-OH (No. 4014948), Fmoc-Asp(OtBu)-OH (No. 4093142), Fmoc-Cys(Trt)-OH (No. 4007272), Fmoc-Gln(Trt)-OH (No. 4014949), Fmoc-Glu(OtBu)-OH · H₂O (No. 4005951), Fmoc-Gly-OH (No. 4003078), Fmoc-His(1-Trt)-OH (No. 4011444 ), Fmoc-Ile-OH (No. 4003168), Fmoc-Leu-OH (No. 4003139), Fmoc-Lys(Boc)-OH (No. 4003151), Fmoc-Met-OH (No. 4003154), Fmoc-Phe-OH (No. 4100450), Fmoc-Pro-OH (No. 4003150), Fmoc-Ser(tBu)-OH (No. 4003086), Fmoc-Thr(tBu)-OH (No. 4096755), Fmoc-Trp(Boc)-OH (No. 4017674), Fmoc-Tyr(tBu)-OH (No. 4093144), Fmoc-Val-OH (No. 4093145).