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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
Justification for type of information:
(Q)SAR prediction.

Data source

Reference
Reference Type:
other: (Q)SAR prediction
Title:
Unnamed
Year:
2022
Report date:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on (Q)SARs R.6., May/July 2008
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl 2-[[(2,6-difluorophenyl)methyl](ethoxycarbonyl)amino]-4-methyl-5-(4-nitrophenyl)-3-thiophenecarboxylate
EC Number:
840-148-0
Cas Number:
308831-94-9
Molecular formula:
C24H22F2N2O6S
IUPAC Name:
Ethyl 2-[[(2,6-difluorophenyl)methyl](ethoxycarbonyl)amino]-4-methyl-5-(4-nitrophenyl)-3-thiophenecarboxylate
Test material form:
solid: particulate/powder

Test animals

Species:
rat

Administration / exposure

Route of administration:
oral: gavage

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
1 040 mg/kg bw
Remarks on result:
other: (Q)SAR prediction

Applicant's summary and conclusion

Interpretation of results:
Category 4 based on GHS criteria
Conclusions:
According to (Q)SAR model, using (Q)SAR Toolbox 4.5, the predicted LD50 value of Ethyl 2-[[(2,6-difluorophenyl)methyl](ethoxycarbonyl)amino]-4-methyl-5-(4-nitrophenyl)-3-thiophenecarboxylateis 1040 mg/kg.