IMPPAT Phytochemical information: 
Theobromine

Theobromine
Summary

SMILES: Cn1cnc2c1c(=O)[nH]c(=O)n2C
InChI: InChI=1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)9-7(13)11(5)2/h3H,1-2H3,(H,9,12,13)
InChIKey: YAPQBXQYLJRXSA-UHFFFAOYSA-N
DeepSMILES: Cncncc5c=O)[nH]c=O)n6C
Scaffold Graph/Node/Bond level: O=c1[nH]c(=O)c2[nH]cnc2[nH]1
Scaffold Graph/Node level: OC1NC(O)C2NCNC2N1
Scaffold Graph level: CC1CC(C)C2CCCC2C1
Functional groups: cn(C)c; cnc; c=O; c[nH]c
Chemical classification
ClassyFire Kingdom: Organic compounds
ClassyFire Superclass: Organoheterocyclic compounds
ClassyFire Class: Imidazopyrimidines
ClassyFire Subclass: Purines and purine derivatives
NP Classifier Biosynthetic pathway: Alkaloids
NP Classifier Superclass: Pseudoalkaloids
NP Classifier Class: Purine alkaloids
Synonymous chemical names:
theobromin, theobromine, Theobromine
External chemical identifiers:
CID:CID_5429; ChEMBL:CHEMBL1114; ChEBI:CHEBI:28946; ZINC:ZINC000000002151; FDASRS:OBD445WZ5P; SureChEMBL:SCHEMBL3184; MolPort-000-514-708
Chemical structure download


Theobromine
Physicochemical properties
Property name Tool Property value
Molecular weight (g/mol) RDKit 180.17
Log P RDKit -1.04
Topological polar surface area (Å2) RDKit 72.68
Number of hydrogen bond acceptors RDKit 5
Number of hydrogen bond donors RDKit 1
Number of carbon atoms RDKit 7
Number of heavy atoms RDKit 13
Number of heteroatoms RDKit 6
Number of nitrogen atoms RDKit 4
Number of sulfur atoms RDKit 0
Number of chiral carbon atoms RDKit 0
Stereochemical complexity RDKit 0
Number of sp hybridized carbon atoms RDKit 0
Number of sp2 hybridized carbon atoms RDKit 5
Number of sp3 hybridized carbon atoms RDKit 2
Shape complexity RDKit 0.29
Number of rotatable bonds RDKit 0
Number of aliphatic carbocycles RDKit 0
Number of aliphatic heterocycles RDKit 0
Number of aliphatic rings RDKit 0
Number of aromatic carbocycles RDKit 0
Number of aromatic heterocycles RDKit 2
Number of aromatic rings RDKit 2
Total number of rings RDKit 2
Number of saturated carbocycles RDKit 0
Number of saturated heterocycles RDKit 0
Number of saturated rings RDKit 0
Number of Smallest Set of Smallest Rings (SSSR) RDKit 2


Theobromine
Drug-likeness properties
Property nameToolProperty value
Number of Lipinski’s rule of 5 violations RDKit 0
Lipinski’s rule of 5 filter RDKit Passed
Number of Ghose filter violations RDKit 1
Ghose filter RDKit Failed
Veber filter RDKit Good
Pfizer 3/75 filter RDKit Bad
GSK 4/400 filter RDKit Good
Weighted quantitative estimate of drug-likeness (QEDw) score RDKit 0.562472


Theobromine
ADME properties
Property nameToolProperty value
Bioavailability score SwissADME 0.55
Solubility class [ESOL] SwissADME Very soluble
Solubility class [Silicos-IT] SwissADME Soluble
Blood Brain Barrier permeation SwissADME No
Gastrointestinal absorption SwissADME High
Log Kp (Skin permeation, cm/s) SwissADME -7.95
Number of PAINS structural alerts SwissADME 0
Number of Brenk structural alerts SwissADME 0
CYP1A2 inhibitor SwissADME No
CYP2C19 inhibitor SwissADME No
CYP2C9 inhibitor SwissADME No
CYP2D6 inhibitor SwissADME No
CYP3A4 inhibitor SwissADME No
P-glycoprotein substrate SwissADME No


Theobromine
Human target proteins
Protein identifierHGNC symbolCombined score from STITCH database
ENSP00000332116PDE4B819
ENSP00000368727XDH800
ENSP00000252945CYP2E1733
ENSP00000342007CYP1A2938
ENSP00000336630ADORA2A834
ENSP00000308549ADORA1814
The human target proteins were predicted using STITCH, a database of Chemical-Protein interaction networks.