Rhodamine 2C Base (CAS 477-73-6) from China
Laboratory-grade Rhodamine 2C base (CAS 477-73-6) specifically enumerated under HTS 2932.99.55.00 for its aromatic oxygen-heterocyclic structure. Used in synthesis of laser dyes and fluorescent probes for microscopy. Packaged in 25g-1kg quantities for R&D applications.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include NMR/IR spectra confirming structure matches HTS description
• Declare as 'not for medicinal use' to avoid FDA scrutiny
• Small package exemption may apply for R&D quantities under $800