5-dimethylaminonaphthalene-1-sulfonyl 233.051055908203125 233.051055908203125 233.2899932861328125 233.2899932861328125 true OBSOLETE because redundant, replaced by MOD:01653. Remap to MOD:01653. Dansyl X 5-dimethylaminonaphthalene-1-sulfonyl From DeltaMass: Average Mass: 233 C 12 H 11 N 1 O 2 S 1 C 12 H 11 N 1 O 2 S 1 Dansyl (Dns) artifact MOD:00507 none PSI-MOD dansyl chloride derivatized residue