Supplier: Biotium

Full name: 5-Carboxytetramethylrhodamine succinimidyl ester (single isomer). Amine-reactive form of carboxytetramethylrhodamine (TAMRA) single isomer.

Supplier: AAT BIOQUEST

The single TAMRA isomers are increasingly preferred for labeling peptides and nucleotides because they give better resolution in HPLC purification that is often required in the conjugation processes.