Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
The Merck Index
Author:
Budavari et al. (eds)
Year:
1989
Bibliographic source:
Merck & Co., Rahway, USA

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
Handbook value
GLP compliance:
not specified
Test type:
fixed dose procedure
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methylthiouracil
EC Number:
200-252-3
EC Name:
Methylthiouracil
Cas Number:
56-04-2
Molecular formula:
C5H6N2OS
IUPAC Name:
methylthiouracil
Test material form:
solid: crystalline

Test animals

Species:
rabbit
Strain:
not specified
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
ca. 2 500 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion