AssayIndex
Quality system

Specificity

Demonstration that the response is due to the analyte and nothing else. The hardest characteristic to establish for peptides because of mass-identical isomers.

Related terms

Validation
Documented demonstration that a method is fit for its purpose, per ICH Q2(R2). Not published for any supplier method in this index.
Diastereomer
A stereoisomer arising from inversion at one chiral centre. Same formula, same mass, same UV spectrum, often much less active. The impurity no mass spectrum finds.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.