2,3-O-Isopropylidene-sn-glycerol is a reagent used in chemical synthesis. It is used in the preparation of tetraoxaspiroundecanes, diglycerides and glyceryl phosphates.

2,5-Dichloropyridine is a reagent used in chemical synthesis. It has been used to synthesize 4-benzodiazepine-2,5 diones as Hdm2 antagonists and inhibitors of ERK protein kinase.

2-Amino-1-phenylethanol is an amine with a structure similar to neurotransmitters like dopamine.

2-Amino-4,6-dichloropyrimidine is a reagent used for pyrimidine synthesis. Pyrazolo pyrimidines can be synthesized via microwaves under solvent free conditions, and can be used to create Anti-HIV carbocyclic 2,6 Disubstituted purine nucleosides.

2-Amino-4-chlorobenzoic acid is a substituted benzoic acid. It can form complexes with yttrium and certain lanthanides, and as a reagent in the creation of metal complexes.

2-Amino-4-fluorobenzoic acid is a substituted benzoic acid. It has been used in the synthesis of benzothiazole derivatives used for cervical cancers, and as a reagent in the synthesis of other anti-infective agents.

2-Amino-6-chlorobenzoic acid is a substituted benzoic acid. As a reagent it is used in the synthesis of pyrithiobac-sodium, the pesticide Staple® by DuPont™. It is also used as a reagent in peptide chemistry.

2-Chloro-3',4'-dihydroxyacetophenone is used as a chemical reagent for the synthesis of COX-2 inhibitors and sulfonamides.