SC SIA has a market on the newly relaunched Cryptomic exchange now - https://www.cryptomic.com/trade?c=SC&p=BTC
also DCR Decred, RADS Radium, and XVC VanillaCash have been added. 
CBX Crytobullion is also there, and has been included in the new base market pairs Bitshares, BitUSD & BitCNY for these altcoins.