| gptkbp:instanceOf | gptkb:chemical_compound 
 | 
                        
                            
                                | gptkbp:boilingPoint | 178°C (sublimes) 
 | 
                        
                            
                                | gptkbp:charge | 0 
 | 
                        
                            
                                | gptkbp:class | gptkb:substance_abuse gptkb:methylxanthine
 gptkb:alkaloid
 purine alkaloid
 
 | 
                        
                            
                                | gptkbp:excretion | urine 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:guarana gptkb:café
 gptkb:yerba_mate
 cocoa
 cola nuts
 
 | 
                        
                            
                                | gptkbp:hasAverageMass | 194.19 
 | 
                        
                            
                                | gptkbp:hasCASRegistryNumber | 58-08-2 
 | 
                        
                            
                                | gptkbp:hasInChIKey | RYYVLZVUVIJVGH-UHFFFAOYSA-N 
 | 
                        
                            
                                | gptkbp:hasMolecularFormula | C8H10N4O2 
 | 
                        
                            
                                | gptkbp:hasMonoisotopicMass | 194.08038 
 | 
                        
                            
                                | gptkbp:hasRole | gptkb:recreational_drug gptkb:stimulant
 gptkb:adenosine_receptor_antagonist
 gptkb:food
 gptkb:alkaloid
 diuretic
 plant metabolite
 
 | 
                        
                            
                                | gptkbp:hasSMILES | Cn1cnc2c1c(=O)n(C)c(=O)n2C 
 | 
                        
                            
                                | gptkbp:IUPACName | gptkb:1,3,7-trimethylpurine-2,6-dione 
 | 
                        
                            
                                | gptkbp:meltingPoint | 238°C 
 | 
                        
                            
                                | gptkbp:metabolism | liver 
 | 
                        
                            
                                | gptkbp:name | caffeine 
 | 
                        
                            
                                | gptkbp:partOf | CHEBI ontology 
 | 
                        
                            
                                | gptkbp:PubChem_CID | CHEBI:27732 CHEBI:33839
 CHEBI:33840
 CHEBI:33841
 CHEBI:33842
 CHEBI:33843
 CHEBI:33844
 CHEBI:33845
 CHEBI:33846
 CHEBI:33847
 
 | 
                        
                            
                                | gptkbp:synonym | gptkb:guaranine gptkb:mateine
 gptkb:theine
 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:food gptkb:drug
 beverage additive
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:picrotoxin 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | CHEBI:31970 
 |