Registration Dossier

Diss Factsheets

Physical & Chemical properties

Partition coefficient

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
data is from modelling databases
Qualifier:
equivalent or similar to guideline
Guideline:
other: estimated data
Principles of method if other than guideline:
To estimate octanol water partition coefficient of the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate (CAS no. 127-25-3).
GLP compliance:
not specified
Type of method:
calculation method (fragments)
Partition coefficient type:
octanol-water
Specific details on test material used for the study:
- Name of test material: methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate
- Molecular formula : C21H32O2
- Molecular weight : 316.4818 g/mol
- Smiles notation: COC(=O)[C@]1(C)CCC[C@]2(C)[C@H]3CCC(=CC3=CC[C@@H]12)C(C)C
- InChl : 1S/C21H32O2/c1-14(2)15-7-9-17-16(13-15)8-10-18-20(17,3)11-6-12-21(18,4)19(22)23-5/h8,13-14,17-18H,6-7,9-12H2,1-5H3/t17-,18+,20+,21+/m0/s1
- Substance type:Organic
- Physical state:Liquid
Key result
Type:
log Pow
Partition coefficient:
6.75
Temp.:
25 °C
Remarks on result:
other: details are not available
Conclusions:
The estimated Octanol water partition coefficient (log POW) of the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate (CAS no. 127-25-3) was 6.75
Executive summary:
Octanol water partition coefficient of the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate (CAS no. 127 -25 -3) was estimated. The estimated log Pow is 6.75. On the basis of estimated value, the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate can be considered as hydrophobic in nature.

Description of key information

Octanol water partition coefficient of the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate (CAS no. 127 -25 -3) was estimated. The estimated log Pow is 6.75. On the basis of estimated value, the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate can be considered as hydrophobic in nature.

Key value for chemical safety assessment

Log Kow (Log Pow):
6.75
at the temperature of:
25 °C

Additional information

Octanol water partition coefficient of the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate (CAS no. 127 -25 -3) was estimated. The estimated log Pow is 6.75. On the basis of estimated value, the methyl (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylate can be considered as hydrophobic in nature.