Abbrev. Name Mol. Weight
     
Acm Acetamidomethyl 72.087
Ac Acetyl 43.046
Bz Benzoyl 105.117
Bzl Benzyl 91.134
BzlO Benzyloxy 107.125
Z Benzyloxycarbonyl 135.144
tBuO t-Butoxy 73.116
Boc t-Butoxycarbonyl 101.126
Bum t-Butoxymethyl 87.143
tBu t-Butyl 57.117
tButhio T-Butylthio 89.181
Mbh 4,4'-Dimethoxybenzhydryl 227.286
Fmoc Fluorenylmethoxycarbonyl 223.254
For Formyl 29.018
MeOBzl 4-Methoxybenzyl 121.160
Mtr 4-Methoxy-2,3,6-trimethylbenzenesulphonyl 213.278
Mmt 4-Methoxytrityl 273.357
Mtt 4-Methyltrityl 257.358
Pmc 2,2,5,7,8-Pentamethylchroman-6-sulphonyl 267.369
Tos Tosyl 155.197
Tfa Trifluoroacetyl 97.017
Trt Trityl 243.331