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Dimethyl sulphoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO.
D 2104 (OTTO) Dimethyl sulphoxide, ACS reagent, ≥99.9% Cas 67-68-5 - used as a cryoprotectant, added to cell media to reduce ice formation and thereby prevent cell death during the freezing process.