Classified as a halogenated organophosphorus derivative, this compound — a phosphonothioate ester bearing both a chloropropyl group and a nitrotrifluoromethylphenyl moiety — is a highly specific agrochemical or specialty chemical intermediate. Its structural complexity, combining halogen, nitro, and trifluoromethyl substituents on a phosphonothioate backbone, places it in a narrow classification space within Chapter 29. No children tariff lines are listed for this HS6 heading in the current US schedule, so importers should work with a licensed customs broker to identify the applicable 10-digit HTS line at entry.

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