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1721 cas 27 products are offered for sale by suppliers on Alibaba.com, of which organic intermediate accounts for 54%. A wide variety of cas 27 options are available to you, such as white crystal, colorless and light yellow.You can also choose from 1312995-182-4, 200-338-0 cas 27,As well as from 9003-39-8, 57-55-6 cas 27,and whether cas 27 is catalyst, or organic solvent.