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3,4-DICHLOROBENZALDEHYDE CAS6287-38-3As organic synthesis intermediates. For the synthesis of drug NITROQUINE etc.
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trans-Diamminedichloropalladium(II) CAS13782-33-7Used for the determination of carbon monoxide and palladium plating, etc
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DIHYDRO-BETA-IONONE CAS17283-81-7Mainly used for preparation of sweet osmanthus type essence, etc
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1-AMINO-2-METHYLANTHRAQUINONE CAS82-28-0Mainly used in polyester and polyester/cotton textile printing and dyeing