ContaminantDB: 1,3,9-Trimethyluric acid

Identification Taxonomy Biological Properties Physical Properties Toxicity Profile Spectra Concentrations Links References XML

Record Information

Version

1.0

Creation Date

2016-05-26 01:41:30 UTC

Update Date

2026-04-04 13:37:49 UTC

Accession Number

CHEM030152

Identification

Common Name

1,3,9-Trimethyluric acid

Class

Small Molecule

Description

1,3,9-Trimethyluric acid is found in coffee and coffee products. 1,3,9-Trimethyluric acid is present in roasted coffee beans and instant coffee, but not green coffee beans.

Contaminant Sources

FooDB Chemicals

Contaminant Type

Not Available

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Value	Source
1,3,9-Trimethylate	Generator
1,3,9-Trimethylic acid	Generator
1,3,9-Trimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione	HMDB
7,9-dihydro-1,3,9-Trimethyl-1H-purine-2,6,8(3H)-trione	HMDB
8-Oxocaffeine	HMDB

Chemical Formula

C₈H₁₀N₄O₃

Average Molecular Mass

210.190 g/mol

Monoisotopic Mass

210.075 g/mol

CAS Registry Number

7464-93-9

IUPAC Name

1,3,9-trimethyl-2,3,6,7,8,9-hexahydro-1H-purine-2,6,8-trione

Traditional Name

1,3,9-trimethyl-7H-purine-2,6,8-trione

SMILES

CN1C(=O)NC2=C1N(C)C(=O)N(C)C2=O

InChI Identifier

InChI=1S/C8H10N4O3/c1-10-5-4(9-7(10)14)6(13)12(3)8(15)11(5)2/h1-3H3,(H,9,14)

InChI Key

CWENCZHQIWXCCA-UHFFFAOYSA-N

Chemical Taxonomy

Description

belongs to the class of organic compounds known as xanthines. These are purine derivatives with a ketone group conjugated at carbons 2 and 6 of the purine moiety.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Imidazopyrimidines

Sub Class

Purines and purine derivatives

Direct Parent

Xanthines

Alternative Parents

Substituents

Xanthine
6-oxopurine
Purinone
Alkaloid or derivatives
Pyrimidone
N-substituted imidazole
Pyrimidine
Azole
Imidazole
Heteroaromatic compound
Vinylogous amide
Lactam
Urea
Azacycle
Hydrocarbon derivative
Organic oxide
Organopnictogen compound
Organooxygen compound
Organonitrogen compound
Organic oxygen compound
Organic nitrogen compound
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Biological Properties

Status

Detected and Not Quantified

Origin

Not Available

Cellular Locations

Not Available

Biofluid Locations

Not Available

Tissue Locations

Not Available

Pathways

Not Available

Applications

Not Available

Biological Roles

Not Available

Chemical Roles

Not Available

Physical Properties

State

Not Available

Appearance

Not Available

Experimental Properties

Property	Value
Melting Point	Not Available
Boiling Point	Not Available
Solubility	Not Available

Predicted Properties

Property	Value	Source
Water Solubility	29 g/L	ALOGPS
logP	-0.46	ALOGPS
logP	-0.87	ChemAxon
logS	-0.86	ALOGPS
pKa (Strongest Acidic)	7.78	ChemAxon
pKa (Strongest Basic)	-5.6	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	3	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	72.96 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	60.32 m³·mol⁻¹	ChemAxon
Polarizability	19.76 Å³	ChemAxon
Number of Rings	2	ChemAxon
Bioavailability	1	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	No	ChemAxon

Spectra

Spectrum Type	Description	Splash Key	View
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	splash10-0udj-2910000000-6282aab8072b7e149b80	Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-03di-0090000000-2502fd56810d56eea853	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0ik9-0790000000-8a65f129c8151d98a863	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0wb9-3900000000-2c1f0413f2c6b3dc3f13	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0a4i-0190000000-30bafcc29f7f8f52e84c	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0a4i-0390000000-16f3b19561d03e23d20b	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-05mo-4900000000-6ad4bacaedfffaa2f502	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-03di-0090000000-6081cca74a09f579f843	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-03di-0290000000-c55e377d0f3a2f58f18f	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0092-9600000000-367fec34feb776dbef38	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0a4i-0090000000-42027b355fe6a1bc1d06	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0a4i-7690000000-d02498f7bb599d5feeda	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0fdo-9800000000-7d1539e06616315f6a93	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum

Toxicity Profile

Route of Exposure

Not Available

Mechanism of Toxicity

Not Available

Metabolism

Not Available

Toxicity Values

Not Available

Lethal Dose

Not Available

Carcinogenicity (IARC Classification)

Not Available

Uses/Sources

Not Available

Minimum Risk Level

Not Available

Health Effects

Not Available

Symptoms

Not Available

Treatment

Not Available

Concentrations

Not Available

External Links

DrugBank ID

Not Available

HMDB ID

HMDB0036431

FooDB ID

FDB015318

Phenol Explorer ID

Not Available

KNApSAcK ID

Not Available

BiGG ID

Not Available

BioCyc ID

Not Available

METLIN ID

Not Available

PDB ID

Not Available

Wikipedia Link

Not Available

Chemspider ID

73977

ChEBI ID

Not Available

PubChem Compound ID

81972

Kegg Compound ID

Not Available

YMDB ID

Not Available

ECMDB ID

Not Available

References

Synthesis Reference

Not Available

MSDS

Not Available

General References

1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.

1,3,9-Trimethyluric acid (CHEM030152)

Structure for CHEM030152: 1,3,9-Trimethyluric acid