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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: expert statement
Adequacy of study:
key study
Study period:
2019
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method

Data source

Reference
Reference Type:
other: Expert statement
Title:
Unnamed
Year:
2019

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
A commonly used (and accepted) calculation method was used in a preliminary evaluation of the octanol-water partition coefficient.
GLP compliance:
not specified
Type of method:
calculation method (fragments)
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
Pregna-1,4-diene-3,20-dione, 11,21-bis(acetyloxy)-16,17-dihydroxy-, (11β, 16α)-
EC Number:
611-417-8
Cas Number:
56723-09-2
Molecular formula:
C25H32O8
IUPAC Name:
Pregna-1,4-diene-3,20-dione, 11,21-bis(acetyloxy)-16,17-dihydroxy-, (11β, 16α)-

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
2.81
Remarks on result:
not measured/tested
Remarks:
estimated by calculation (Episuite vs 1.68)
Details on results:
See calculation and fragment details in 'Illustration'.

Applicant's summary and conclusion

Conclusions:
The Log Pow of the substance was estimated by calculation (KOWWIN v1.68) to be 2.81.