Hydrazide-Isobaric Tags for Relative and Absolute Quantitation

**Semantic type:** Indicator, Reagent, or Diagnostic Aid

**Definition:** An isobaric tags for relative and absolute quantitation reagent preparation that is coupled to a carbonyl-reactive hydrazide group that enables labeling and quantitative profiling of glycopeptides, carbohydrates, steroids, or oxidized proteins.

**Synonyms:** - iTRAQ Hydrazide - iTRAQ-Hydrazide - iTRAQH