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Administrative data

Endpoint:
acute toxicity: other routes
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Dipole Moments and Pharmacological Activity of Cyclic Ureas, Cyclic Thioureas, and the N,N'-Dimethylated Compounds
Author:
Lien, E.J. & Kumler, W.D.
Year:
1968
Bibliographic source:
J. Med. Chem. 11: 214-219
Reference Type:
publication
Title:
Structural Requirements for CNS Activities and Toxicities of Cyclic Ureas and Thioureas
Author:
Lien et al.
Year:
1982
Bibliographic source:
J. Taiwan Pharm. Assoc. 34(1), 46-52
Reference Type:
publication
Title:
No information
Author:
Miller, L.C. & Tainter, M.L.
Year:
1944
Bibliographic source:
Proc. Soc. Exptl. Biol. Med. 57, 261

Materials and methods

GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one
EC Number:
230-625-6
EC Name:
Tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one
Cas Number:
7226-23-5
Molecular formula:
C6H12N2O
IUPAC Name:
tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one

Test animals

Species:
mouse

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
other: 0.2% water solution was used for dosage <= 100 mg/kg; 2% solution was used for dosage of 300 and 1000 mg/kg. For dosage > 1000 mg/kg, higher concentration and only two mice were used (limited amount of test substance)

Results and discussion

Effect levels
Dose descriptor:
LD50
Effect level:
1 300 mg/kg bw
Remarks on result:
other: LD50 was obtained by the graphic calculation of Miller and Tainter

Applicant's summary and conclusion