SynCED: Methylthiouracil

Record Information

Version

1.0

Creation Date

2016-05-19 01:30:48 UTC

Update Date

2026-08-23 00:29:22 UTC

Accession Number

CHEM003963

Identification

Common Name

Methylthiouracil

Class

Small Molecule

Description

Contaminant Sources

Clean Air Act Chemicals
HPV EPA Chemicals
IARC Carcinogens Group 2B
STOFF IDENT Compounds
ToxCast & Tox21 Chemicals

Contaminant Type

Not Available

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Value	Source
Thimecil	Kegg
6-Methyl-2-sulphanylidene-1H-pyrimidin-4-one	Generator
6-Methyl-2-thiouracil	MeSH
6-Methyl-2-sulphanylpyrimidin-4-ol	Generator

Chemical Formula

C₅H₆N₂OS

Average Molecular Mass

142.180 g/mol

Monoisotopic Mass

142.020 g/mol

CAS Registry Number

56-04-2

IUPAC Name

6-methyl-2-sulfanylpyrimidin-4-ol

Traditional Name

methyl thiouracil

SMILES

CC1=CC(O)=NC(S)=N1

InChI Identifier

InChI=1S/C5H6N2OS/c1-3-2-4(8)7-5(9)6-3/h2H,1H3,(H2,6,7,8,9)

InChI Key

HWGBHCRJGXAGEU-UHFFFAOYSA-N

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Diazines

Sub Class

Pyrimidines and pyrimidine derivatives

Direct Parent

Pyrimidones

Alternative Parents

Substituents

2-thiopyrimidine
Pyrimidinethione
Thiopyrimidine
Pyrimidone
Hydropyrimidine
Heteroaromatic compound
Vinylogous amide
Lactam
Thiourea
Azacycle
Organic nitrogen compound
Hydrocarbon derivative
Organic oxide
Organopnictogen compound
Organosulfur compound
Organooxygen compound
Organonitrogen compound
Organic oxygen compound
Aromatic heteromonocyclic compound

Molecular Framework

Aromatic heteromonocyclic compounds

External Descriptors

9,11,15-octadecatrienoic acid (CHEBI:82346 )

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	1.87 g/L	ALOGPS
logP	1.25	ALOGPS
logP	1.24	ChemAxon
logS	-1.9	ALOGPS
pKa (Strongest Acidic)	8.57	ChemAxon
pKa (Strongest Basic)	-0.087	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	3	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	46.01 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	37.56 m³·mol⁻¹	ChemAxon
Polarizability	13.88 Å³	ChemAxon
Number of Rings	1	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	No	ChemAxon

Spectra

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

DB13644

HMDB ID

HMDB0254667

FooDB ID

Not Available

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

Methylthiouracil

Chemspider ID

580871

ChEBI ID

Not Available

PubChem Compound ID

4161

Kegg Compound ID

C19265

YMDB ID

Not Available

ECMDB ID

Not Available

References

Synthesis Reference

Not Available

MSDS

Not Available

General References

Methylthiouracil (CHEM003963)

Structure for CHEM003963: Methylthiouracil