Identification

PhytoHub ID
PHUB000789
Name
Caffeine
Systematic Name
1,3,7-trimethylxanthine
Synonyms
  • 1,3,7-trimethylxanthine
  • 3-Methyltheobromine
  • Coffeine
  • Guaranine
  • Thein
  • Theine
CAS Number
58-08-2
Average Mass
194.194
Monoisotopic Mass
194.080375578
Chemical Formula
C8H10N4O2
IUPAC Name
1,3,7-trimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
InChI Key
RYYVLZVUVIJVGH-UHFFFAOYSA-N
InChI Identifier
InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3
SMILES
CN1C=NC2=C1C(=O)N(C)C(=O)N2C
Structure

Calculated Properties

Solubility (ALOGPS)
1.10e+01 g/l
LogS (ALOGPS)
-1.25
LogP (ALOGPS)
-0.24
Hydrogen Acceptors
3
Hydrogen Donors
0
Rotatable Bond Count
0
Polar Surface Area
58.440000000000005
Refractivity
49.8312
Polarizability
18.9549309213843
Formal Charge
0
Physiological Charge
0
pKa (strongest basic)
-1.1587287861082745
pKa (strongest acidic)
Not Available
Number of Rings
2
Rule of Five
Yes
Bioavailability
Yes
Ghose Filter
No
Veber's Rule
No
MDDR-like Rule
No

Taxonomy as Food Phytochemical

Family
N-containing compounds
Class
Alkaloids
Sub-class
Purines and pyrimidines

Taxonomy as Metabolite

Metabolite Family
N-containing compound metabolites
Metabolite Class
Alkaloid metabolites
Metabolite Sub-class
Purines and pyrimidines (parent, host and microbial metabolites)

Taxonomy of its Food Phytochemical Precursor(s)

Food PhytochemicalFamilyClassSub-class
CaffeineN-containing compoundsAlkaloidsPurines and pyrimidinesShow Food Phytochemical
TheobromineN-containing compoundsAlkaloidsPurines and pyrimidinesShow Food Phytochemical

Classyfire Taxonomy

Kingdom Name
Organic compounds
Class
Imidazopyrimidines
Super-class
Organoheterocyclic compounds
Sub-class
Purines and purine derivatives
Direct Parent Name
Xanthines
Alternative Parent Names
["6-oxopurines", "Alkaloids and derivatives", "Azacyclic compounds", "Heteroaromatic compounds", "Hydrocarbon derivatives", "Lactams", "N-substituted imidazoles", "Organic oxides", "Organonitrogen compounds", "Organooxygen compounds", "Organopnictogen compounds", "Pyrimidones", "Ureas", "Vinylogous amides"]
External Descriptor Annotations
["Purine alkaloids", "a small molecule", "purine alkaloid", "trimethylxanthine"]
Substituent Names
["6-oxopurine", "Alkaloid or derivatives", "Aromatic heteropolycyclic compound", "Azacycle", "Azole", "Heteroaromatic compound", "Hydrocarbon derivative", "Imidazole", "Lactam", "N-substituted imidazole", "Organic nitrogen compound", "Organic oxide", "Organic oxygen compound", "Organonitrogen compound", "Organooxygen compound", "Organopnictogen compound", "Purinone", "Pyrimidine", "Pyrimidone", "Urea", "Vinylogous amide", "Xanthine"]

PeakForest Spectra ( Experimental Spectra from Phytohub Collaborators )

Record IDSourceDescriptionView
PFs000002PeakForestCaffeine; LC-ESI-QTOF Bruker; MS; POSITIVE; View Spectra
PFs000003PeakForestCaffeine; LC-ESI-Orbitrap; MS; POSITIVE; View Spectra
PFs000004PeakForestCaffeine; LC-ESI-Orbitrap; MS; POSITIVE; View Spectra
PFs000005PeakForestCaffeine; LC-ESI-Orbitrap; MS2; POSITIVE; CE 40 eV; View Spectra

Spectra from Phytohub

Food Sources

Food Sources of its Food Phytochemical(s)

Role as Biomarker of intake

No roles as Biomarker of intake found

Metabolism

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