Prediction of skin sensitization potency of chemicals by human Cell Line Activation Test (h-CLAT) and an attempt at classifying skin sensitization potency

► The predictive capacity of h-CLAT for potency categorization was examined. ► Correspondence between LLNA EC3 and several indicators in h-CLAT was compared. ► The minimum induction threshold (MIT) of h-CLAT was correlated to LLNA EC3. ► The MIT was expected to discriminate strong sensitizer and weak sensitizer.