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Chloroform-d (Deuterochloroform, CDCl3), deuterated chloroform, is a 100% isotopically enriched NMR (Nuclear Magnetic Resonance) solvent. It is widely employed in high resolution NMR studies due to its high chemical and isotopic purity
C 2103 (OTTO) Chloroform-d, "100%", 99.96 atom % D - used in NMR spectroscopy of organic molecules.