This compound is a deuterium-labeled analog of 4-chlorobenzenesulfonyl chloride, commonly used in research as a stable isotope internal standard or tracing agent.
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CAS 544686-13-7
4-chloro-2,3,5,6-tetradeuteriobenzenesulfonyl chloride
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[2H]C1=C(C(=C(C(=C1S(=O)(=O)Cl)[2H])[2H])Cl)[2H]
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