Calcium 2-Ethylbutyrate from China
Calcium 2-ethylbutyrate is the calcium salt of 2-ethylbutanoic acid (C6 but classified by C4 chain), under 'other' salts in HTS 2915.60.50.00. Used in nutritional supplements.
Duty Rate — China → United States
39.6%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Supplement use requires FDA registration; distinguish from pharma intermediates
• Salt classified with acid per Note (C); metal content analysis needed
• Dust hazard; anti-dusting agents must comply with Note (g)