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2931.59.00.30/Cyclopentyl-(Dibutylamino)propylidene Phosphonamidic Fluoride Methyl Salt/Japan

Cyclopentyl-(Dibutylamino)propylidene Phosphonamidic Fluoride Methyl Salt from Japan

Alkylated salt form of cyclopentyl-derived phosphonamidic fluoride with dibutylamino group (C4 chains), fitting HTS 2931.59.0030 inclusion of corresponding salts. Used in asymmetric synthesis where chirality at phosphorus is critical. Chapter notes confirm salts classified with parent fluoride.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Provide chirality specification (R/S at P) and ee% for research chemical imports

• Customs may require proof alkyl chains ≤C10 via GC-MS of hydrolyzed derivatives

Cyclopentyl-(Dibutylamino)propylidene Phosphonamidic Fluoride Methyl Salt from Japan — Import Duty Rate | HTS 2931.59.00.30