4,7-Dichloroquinoline
Heterocyclic compounds with nitrogen hetero-atom(s) only: > Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: > Other: > 4,7-Dichloroquinoline
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2933.49.08.00
4,7-Dichloroquinoline
4,7-Dichloroquinoline is a heterocyclic compound containing a quinoline ring system with chlorine atoms at the 4 and 7 positions, classified under HTS 2933.49.08.00 as a nitrogen hetero-atom compound with a quinoline structure not further fused. It serves as a key intermediate in pharmaceutical synthesis, particularly for antimalarial drugs like chloroquine derivatives.
4,7-Dichloroquinoline 98% Technical Grade
Technical grade 4,7-dichloroquinoline with 98% purity is used as a synthetic intermediate for agrochemicals and pharmaceuticals, falling under HTS 2933.49.08.00 due to its specific quinoline ring substitution. The chapter notes confirm classification of pure chemically defined heterocyclic compounds.
4,7-Dichloroquinoline Stabilized with Antioxidant
Stabilized 4,7-dichloroquinoline with added antioxidant for transport preservation, permitted under Chapter 29 note (f), maintains classification in HTS 2933.49.08.00 as the primary compound remains chemically defined. Used in multi-step synthesis of quinoline-based APIs.
4,7-Dichloroquinoline Hydrochloride Salt
The hydrochloride salt form of 4,7-dichloroquinoline, classified with the parent base under HTS 2933.49.08.00 per Chapter Note 3(C)(1) for inorganic salts of organic compounds. Improves handling properties for pharmaceutical intermediate applications.
High Purity 4,7-Dichloroquinoline 99.5%+ for API Synthesis
Ultra-high purity 4,7-dichloroquinoline (>99.5%) specifically manufactured for active pharmaceutical ingredient synthesis, classified under HTS 2933.49.08.00 as a chemically defined quinoline derivative. Meets stringent pharma intermediate specifications.
4,7-Dichloroquinoline in Ethanol Solution 10% w/v
10% w/v solution of 4,7-dichloroquinoline in ethanol for safe transport, classified under HTS 2933.49.08.00 per Chapter Note (e) as solvent dissolution necessary for safety/transport. Ethanol evaporates during use in synthesis.
4,7-Dichloroquinoline with Anti-Dusting Agent
4,7-Dichloroquinoline powder treated with anti-dusting agent for safe handling, permitted under Chapter Note (g) and classified in HTS 2933.49.08.00. The addition facilitates identification/safety without specific use suitability.