High-Purity D(-)-p-Hydroxyphenylglycine p-Toluenesulfonate Salt from Canada
p-Toluenesulfonic acid salt of D(-)-p-Hydroxyphenylglycine (>99.5% purity), HTS 2922.50.11.00 as organic acid salt of specified compound. Used in resolution of enantiomers.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Chiral HPLC method validation
• TsOH counterion quantification
• Patent status for exclusivity claims