Secobarbital Sodium from China
Secobarbital sodium is a barbituric acid derivative salt containing hydrogenated pyrimidine ring, used in sedative formulations. Classified in 2933.52.9000 as other malonylurea salts, qualifying under chapter notes for heterocyclic nitrogen compounds not specifically listed elsewhere.
Duty Rate — China → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit Schedule II controlled substance import license with each shipment
• Ensure HPLC analysis confirms >98% purity to maintain Chapter 29 classification
• Declare exact CAS number (3739-67-1) on entry to prevent reclassification as mixtures