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EC number: 250-705-4
CAS number: 31566-31-1
Table 1. Results of the HGPRT assay
Cloning efficiency (%)
No. of mutants
Mutation Frequency (x10(-6))
Without metabolic activation
Ethyl methanesulphonate (100 µg/mL)
With metabolic activation
Dimethylbenzanthracene (5 µg/mL)
* At least three-fold increase compared with the solvent control
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