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Mass labels for biomolecules containing a 2,6-dimethyl-piperidin-L-YL methylene or a pyrimidin-2-YL thiomethylene mass marker moiety and a succinimid-oxy-carbonyl reactive functional group
Mass labels for biomolecules containing a 2,6-dimethyl-piperidin-L-YL methylene or a pyrimidin-2-YL thiomethylene mass marker moiety and a succinimid-oxy-carbonyl reactive functional group
A mass label for labelling and detecting a biological molecule by mass spectroscopy, which label comprises the following structure: X-L-M wherein X is a mass marker moiety comprising the following group: formula (I), wherein the cyclic unit is aromatic or aliphatic and comprises from 0-3 double bonds independently between any two adjacent atoms; each Z is independently N, N(R1), C(R1), CO, CO(R1), C(R1)2, O or S; X is N, C or C(R1); each R1 is independently H, a substituted or unsubstituted straight or branched C1-C6 alkyl group, a substituted or unsubstituted aliphatic cyclic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; and y is an integer from 0-10, L is a cleavable linker comprising an amide bond and M is a mass normalization moiety.
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