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Secobarbital Sodium from Japan

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 — 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%

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