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EC number: -
CAS number: -
Cytotoxicity Expressed as Relative Suspension Growth (RSG) in the Preliminary Toxicity Test
3 h exposure (–S9)
3 h exposure (+S9)
24 h exposure (–S9)
Treatment / Concentration(µg/mL)
Vehicle Control (DMSO)
In the Preliminary Toxicity Test, precipitation was not seen at
any exposure concentration at the end of treatment.
Cytotoxicity Expressed as Mean Relative Total Growth (RTG) in Both Main Mutation Experiments
Experiment 1,3 h exposure (–S9)
Experiment 1,3 h exposure (+S9)
Experiment 2,24 h exposure (–S9)
In Main Experiments 1 and 2, precipitation was not seen at the end
of treatment at any exposure concentration selected for metaphase
on the negative results attained in all in vitro genotoxicity studies
WS400123 is considered not to be genotoxic and does not warrant any
classification regarding mutagenicity according to European
classification rules [REGULATION (EC) 1272/2008].
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