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Chlorosulfonyl isocyanate CAS1189-71-5For synthesis of antibiotics, agricultural chemicals, polymers, etc
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Dithioerythritol CAS6892-68-8Biochemical research reduction of sulphur or disulfide linkage reagent.
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1,5-Dihydroxynaphthalene CAS83-56-7Used in organic synthesis, dye intermediates, pharmaceutical intermediates, photographic industry.