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Our office and warehouse will be closed from 07.-10. April 2023 due to the easter weekend. From Tuesday, 11 April 2023 it will be again 'business as usual'.

MUTAZYME^™ is a complete, lyphilized rat liver S9 mix. It contains the NADPH regenerating system and all co-factors required. It is applicable for AMES II mutagenicity assays, liquid formats (e.g. Moltox FT Assays) and standard Ames plate incorporation assays. MUTAZYME^™ is available as 30% (3.25 & 6.5 ml), 10% (20ml) and 5% (20ml) S9 mix. [read more]

For analysis of petroleum oils with modified Ames test (ASTM method E1687-19 ), the required positve control - Reference Oil No.1 (HC 235) - is available (#60-900; 30 ml/vial), as well as specifically prepared Hamster S9 (#15-03S.5; 5ml/vial ) ! [“Modified” Ames test as described in the Standard Test method for Determining Carcinogenic Potential of Virgin Base Oils in Metalworking Fluids. ASTM E1687. ASTM International.] [read more]