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8-Hydroxyquinoline-5-sulfonic acid hydrate CAS207386-92-3Used as intermediates in organic synthesis and analytical reagent.
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ORANGE IV CAS554-73-4Mainly used for wool, silk and nylon fabric dyeing and printing, also can be used for leather, paper, color
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Pyridine-3-sulfonic acid CAS636-73-7Intermediates of organic synthesis, pharmaceutical synthesis