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Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 Oct 2020 to 01 Dec 2020
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2021
Report date:
2021

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7840 (Water Solubility)
Version / remarks:
1998
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Version / remarks:
1995
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Version / remarks:
2016
GLP compliance:
yes (incl. QA statement)
Type of method:
column elution method

Test material

Constituent 1
Chemical structure
Reference substance name:
N-{5-[(4-{4-[(dimethylamino)methyl]-3-phenyl-1H-pyrazol-1-yl}pyrimidin-2-yl)amino]-4-methoxy-2-(morpholin-4-yl)phenyl}prop-2-enamide
EC Number:
841-500-6
Cas Number:
1903008-80-9
Molecular formula:
C30H34N8O3
IUPAC Name:
N-{5-[(4-{4-[(dimethylamino)methyl]-3-phenyl-1H-pyrazol-1-yl}pyrimidin-2-yl)amino]-4-methoxy-2-(morpholin-4-yl)phenyl}prop-2-enamide
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- lot/batch number of test material: M20BD0542
- Expiry date: 19 February 2022 (retest date)
- Physical Description: Slightly greenish yellow powder
- Purity: 99.8%
- Purity correction factor: 1.00

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature

Results and discussion

Water solubility
Key result
Water solubility:
0.096 mg/L
Conc. based on:
test mat.
Remarks:
The water solubility of test item is specified by the saturation mass concentration of the test item in water at a given temperature and is expressed in g/L or equivalent.
Temp.:
20 °C
pH:
> 6.9 - < 7
Details on results:
Preliminary test
The content of test item dissolved in the water sample was 0.296 mg/L.

Main study
The results for the samples taken at a flow rate set to 12 and 24 mL/h are given in the table below.
The coefficient of variation (CV) (n = 10) was ≤ 30% at both flow rates. It demonstrated that the system was equilibrated at all flow rates. The turbidity of the eluates was < 0.2 NTU. According to this, no undissolved particles were detected in the eluates. No test item was detected in the samples from the blank column.

Any other information on results incl. tables

Main study – water solubility of the test item








































































































Flow rate [mL/h]



Sample no.



Concentration analyzed



pH



Individual [mg/L]



Mean of the concentrations obtained at one flow rate [mg/L]



Mean of the concentrations obtained at both flow rate [mg/L]



24



1



0.102



0.0998



0.0964



6.9



2



0.111



3



0.100



4



0.107



5



0.107



6



0.111



7



0.0893



8



0.0839



9



0.106



10



0.0801



12



1



0.0843



0.0929



7.0



2



0.0924



3



0.0917



4



0.0873



5



0.0986



6



0.0942



7



0.0948



8



0.0973



9



0.104



10



0.0844


Applicant's summary and conclusion

Conclusions:
The column elution method was applied for the determination of the water solubility of JNJ-73841937-AAA (T003925).
The water solubility of the test item at 20°C was 0.0964 mg/L. The pH of the aqueous samples was 6.9 and 7.0.