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EC number: 258-904-8
CAS number: 53988-10-6
The Ames Test and V79/HPRT assay with
1,3-Dihydro-4(or5)-methyl-2H-benzimidazole-2-thione was negative. The
Ames test and CA assay with methyl-2-mercaptobenzimidazole, zinc salt -
as a surrogate for methyl-2 -mercaptobenzimidazole
(1,3-Dihydro-4(or5)-methyl-2H-benzimidazole-2-thione) was also negative.
Reliable in-vitro assays were negative. Therefore, a classification is
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