Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
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:
QSAR prediction

Data source

Reference
Reference Type:
other: QSAR prediction
Title:
Unnamed
Year:
2022
Report date:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH Guidance on QSARs R.6 May/July 2008
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl 4-(bromomethyl)-2-[(2,6-difluorophenyl)methyl-ethoxycarbonylamino]-5-(4-nitrophenyl)thiophene-3-carboxylate
Cas Number:
308831-95-0
Molecular formula:
C24H21BrF2N2O6S
IUPAC Name:
Ethyl 4-(bromomethyl)-2-[(2,6-difluorophenyl)methyl-ethoxycarbonylamino]-5-(4-nitrophenyl)thiophene-3-carboxylate
Test material form:
solid: particulate/powder

Test animals

Species:
other: not specified

Results and discussion

In vivo

Results
Irritation parameter:
primary dermal irritation index (PDII)
Score:
2.59
Remarks on result:
other: QSAR prediction

Applicant's summary and conclusion

Conclusions:
According to (Q)SAR model using QSAR Toolbox 4.5 the predicted Primary Irritatio Index value of Ethyl 4-(bromomethyl)-2-[(2,6-difluorophenyl)methyl-ethoxycarbonylamino]-5-(4-nitrophenyl)thiophene-3-carboxylate is 2.59.