all items  in current results   Refine your search within these categories: 01. Food Nutrient & Dietary Chemicals: all > Nitrogen components > Nitrogen heterocycle components [ChEBI:38101] (group results) purines [ChEBI:26401] (4) 02. Food Pesticide Chemicals with Regulated Residues on Food Commodities 03. Biological Effects of Specific Chemicals aetiopathogenetic uses [CHEBI:52209] (1) biochemical uses [CHEBI:52206] (4) biophysical uses [CHEBI:52208] (1) pharmacological uses [CHEBI:52210] (2) 04. Bioactive Capabilities of Specific Chemicals (group results) Hydrolases [EC:3] (1) Oxidoreductases [EC:1] (2) Transferases [EC:2] (3) 05. Industrial Uses (group results) pharmaceutical [CHEBI:52217] (2) 06. Name of Biological Source of Chemical 07. Part of Biological Source of Chemical 08. Chemical Category: all > main group molecular entity [CHEBI:33579] > p-block molecular entity [CHEBI:33675] > carbon group molecular entity [CHEBI:33582] > organic molecular entity [CHEBI:50860] > heteroorganic entity [CHEBI:33285] > organic heterocyclic compound [CHEBI:24532] > organonitrogen heterocyclic compound [CHEBI:38101] > imidazopyrimidine [CHEBI:35875] > purines [CHEBI:26401] (group results) aminopurine [CHEBI:22527] (1) oxopurine [CHEBI:25810] (1) purine alkaloid [CHEBI:26385] (2) purine nucleobase [CHEBI:26386] (1) 09. Chemical Capabilities Recently Viewed Items Go to Item History

These terms define your current search. Click the × to remove a term. 08. Chemical Category: main group molecular entity [CHEBI:33579] > p-block molecular entity [CHEBI:33675] > carbon group molecular entity [CHEBI:33582] > organic molecular entity [CHEBI:50860] > heteroorganic entity [CHEBI:33285] > organic heterocyclic compound [CHEBI:24532] > organonitrogen heterocyclic compound [CHEBI:38101] > imidazopyrimidine [CHEBI:35875] > purines [CHEBI:26401] × 01. Food Nutrient & Dietary Chemicals: Nitrogen components > Nitrogen heterocycle components [ChEBI:38101] × 4 items, grouped by 03. Biological Effects of Specific Chemicals (view ungrouped items) aetiopathogenetic uses [CHEBI:52209] (1)    [CHEBI:27732]   caffeine               biochemical uses [CHEBI:52206] (4)    [CHEBI:16708]   adenine               [CHEBI:17775]   7,9-dihydro-1H-purine-2,6,8(3H)-trione               [CHEBI:27732]   caffeine               [CHEBI:28946]   theobromine               biophysical uses [CHEBI:52208] (1)    [CHEBI:27732]   caffeine               pharmacological uses [CHEBI:52210] (2)    [CHEBI:27732]   caffeine               [CHEBI:28946]   theobromine