4-ANDROSTENE-3,17-DIONE (2,3,4-13C3, 98%+)

This is a controlled substance. All orders for this item must be accompanied by a copy of the customer's valid DEA permit (electronic copy is ok). For International and Canadian orders: an end use Statement will be required in addition to the DEA permit. If the item is not controlled by country of ultimate destination, CIL will need a Letter of no Objection in place of the DEA permit.