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Sulfasalazine USP from Japan

Sulfasalazine is a synthetic organo-sulfur compound used primarily as an anti-inflammatory drug for treating ulcerative colitis and rheumatoid arthritis. It features a sulfonamide group directly linked to carbon atoms, qualifying it as an organo-sulfur compound under heading 2930. Classified specifically under 2930.90.92.35 as a pharmaceutical drug.

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

Obtain FDA Drug Master File and ensure Certificate of Analysis confirms USP purity standards for pharmaceutical import

Provide detailed chemical composition and therapeutic claims documentation to avoid reclassification as a mixture

Verify DEA scheduling status as it's non-controlled but requires accurate labeling to prevent delays