IMPPAT Phytochemical information: 
Paraxanthine

Paraxanthine
Summary

SMILES: Cn1cnc2c1c(=O)n(c(=O)[nH]2)C
InChI: InChI=1S/C7H8N4O2/c1-10-3-8-5-4(10)6(12)11(2)7(13)9-5/h3H,1-2H3,(H,9,13)
InChIKey: QUNWUDVFRNGTCO-UHFFFAOYSA-N
DeepSMILES: Cncncc5c=O)nc=O)[nH]6))C
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:
Paraxanthine, p-xanthine, paraxanthine
External chemical identifiers:
CID:CID_4687; ChEMBL:CHEMBL1158; ChEBI:CHEBI:25858; ZINC:ZINC000000120234; FDASRS:Q3565Y41V7; SureChEMBL:SCHEMBL232702; MolPort-046-683-525
Chemical structure download


Paraxanthine
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


Paraxanthine
Drug-likeness
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


Paraxanthine
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 -7.56
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


Paraxanthine
Phytochemical - Human target proteins supported by experimental evidence associations
Human target proteins supported by experimental evidence
IMPPAT target identifierGene identifierHGNC symbolEntrez Gene identifierSource
TAR_EXP_000203ENSG00000128271ADORA2A135BindingDB
TAR_EXP_000814ENSG00000108424KPNB13837NPASS
TAR_EXP_000061ENSG00000134538SLCO1B110599ChEMBL, NPASS
TAR_EXP_000017ENSG00000169371SNUPN10073NPASS
TAR_EXP_000004ENSG00000094631HDAC610013ChEMBL
TAR_EXP_000833ENSG00000160789LMNA4000NPASS
TAR_EXP_000280ENSG00000160868CYP3A41576NPASS
TAR_EXP_000095ENSG00000224143EHMT210919NPASS
TAR_EXP_000616ENSG00000111700SLCO1B328234ChEMBL, NPASS
TAR_EXP_000706ENSG00000291796APEX1328NPASS
TAR_EXP_000411ENSG00000165092ALDH1A1216NPASS
TAR_EXP_001631ENSG00000165409TSHR7253NPASS
TAR_EXP_001485ENSG00000197299BLM641NPASS
TAR_EXP_001366ENSG00000117152RGS45999NPASS
TAR_EXP_001141ENSG00000109099PMP225376NPASS
TAR_EXP_000853ENSG00000276155MAPT4137NPASS
TAR_EXP_000097ENSG00000108468CBX110951NPASS