This residual NEC category under HS 2933.59 covers a broad range of pyrimidine and piperazine-containing heterocyclic compounds used primarily as active pharmaceutical ingredients (APIs) and intermediates, with secondary use in agrochemicals. Supply is heavily concentrated in China and India, creating significant geopolitical and regulatory risk, particularly given tightening precursor controls and dual-use scrutiny by bodies such as BIS and INCB. Trade flows require careful documentation of end-use, country of origin, and chemical identity due to elevated transshipment risk and potential for diversion to controlled substance synthesis.
HS Code 293359 covers Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) under the Harmonized System. It is used for customs declarations, import duty assessment, trade statistics, export documentation, and sourcing analysis.
Products classified under HS 293359 are used across Pharmaceuticals, Agrochemicals, Veterinary Medicine, Specialty Chemicals. Demand is driven by Generic drug manufacturing growth, API synthesis demand, Agrochemical R&D pipeline, Outsourced chemical synthesis to Asia.
Major exporting countries include Switzerland, China, United States, Singapore, India based on recent international trade reporting.
Demand is linked to Generic drug manufacturing growth, API synthesis demand, Agrochemical R&D pipeline, Outsourced chemical synthesis to Asia. Input costs are influenced by Urea or malononitrile derivatives / piperazine base chemicals.
Verify final rates with HTSUS, TARIC, CBIC India, and a licensed customs broker.
US importers of Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) must classify at the HTS10 level. Additional measures such as Section 232, Section 301, ADD/CVD, or Chapter 99 provisions may apply depending on the exact classification and origin.
EU importers classify Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) at TARIC10 level. Preferential treatment may apply where rules of origin are satisfied under EU trade agreements. Intra-EU trade is duty-free.
India assesses Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) at the HS8 level under the CBIC Customs Tariff. The applicable duty framework is: BCD 7.50% + SWS 0.75% + IGST 18% = 27.80% effective gross rate. IGST is generally recoverable for registered B2B importers via GST filing.
Based on recent international trade data, the leading exporting countries for Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) are:
These corridors show where trade activity is concentrated. Buyers use this signal to identify supplier depth, established logistics lanes, and alternative sourcing markets.
| HS Code | 293359 |
| Product | Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) |
| Chapter | 29 — Pharmaceutical Intermediate / Fine Chemical |
| Major exporting countries | Switzerland, China, United States, Singapore, India |
| Primary industries | Pharmaceuticals, Agrochemicals, Veterinary Medicine, Specialty Chemicals |
| Trade year | 2024 |
| US duty framework | 5.78% MFN |
| EU duty framework | 6.50% MFN |
| India BCD | 7.50% BCD |
Logitality sourcing intelligence for HS 293359 combines global trade corridors, tariff data, commodity cost signals, FX movement, and supplier-country analysis to compare origins by estimated landed cost.
Compare supplier countries for HS 293359 by full duty stack and landed cost.
Run sourcing intelligence →Read the detailed sourcing guide for HS 293359 Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC), including supplier-country analysis, trade-flow context, and procurement considerations.
HS Code 293359: Sourcing Pyrimidine & Piperazine Heterocyclic Compounds in 2025 →
HS Code 293359 covers Miscellaneous Pyrimidine/Piperazine Heterocyclic Compounds (NEC) and is used for customs declarations, trade statistics, import duty assessment, and sourcing analysis.
Duty varies by destination and classification. US: 5.78% MFN. EU: 6.50% MFN. India: 7.50% BCD.
Major exporting countries include Switzerland, China, United States, Singapore, India, based on recent trade reporting.