Promumchem stands by the quality of its products so you don’t have to guess. Promumchem is a leader in the production of designer chemicals and research chemicals and makes a pledge to purity and quality. Please see our list of other fine products available to you now. Promumchem is your supplier of high-quality products and you can buy 3-MMC here. Once your purchase is approved by Promumchem to buy 3-MMC, your delivery is guaranteed. We will not promise the sale of any order that we cannot deliver.