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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2022
Report date:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
(15α,16α,17β)-3-hydroxyestra-1,3,5(10)-triene-15,16,17-triyl triacetate
Cas Number:
59128-76-6
Molecular formula:
C24H30O7
IUPAC Name:
(15α,16α,17β)-3-hydroxyestra-1,3,5(10)-triene-15,16,17-triyl triacetate

Study design

Analytical method:
high-performance liquid chromatography

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
3
Temp.:
30 °C
Remarks on result:
other: pH not measured

Applicant's summary and conclusion

Conclusions:
Under the test condition used in the study the logP of Estetrol triacetate was 3.0.