Inactive, if you do feel effects from "C30-NBOMe" you're either having the placebo effect of the world, or are being sold something else, and I recommend you send it in for testing somewhere.
Research chemicals are drugs with relatively little history of human use, and thus particular care should be taken if choosing to ingest them.Read more on TripSit Wiki...
An inactive substance is something which doesn't have any perceivable effect on your mind or body. An example of an inactive substance is EFLEA which is inactive on its own but is used as a prodrug to create EDMA.
No interaction information for C30-NBOMe