NOW FOR USA HTS Harmonized Tariff Schedule (2024 HTS Revision 9)
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Harmonized Tariff Schedule (2024 HTS Revision 9)

Heading Duty(general) Duty(china) Article Description Compare Code
2936.29.16 Free    Niacin and niacinamide
Niacin:
--
2936.29.16.10 Free    Pharmaceutical grade vs-29362916
2936.29.16.20 Free    Other vs-2936291610
2936.29.16.30 Free    Niacinamide
Other:
vs-2936291620
2936.29.20.00 Free    Aromatic or modified aromatic vs-2936291630
2936.29.50 Free    Other vs-2936292000
2936.29.50.20 Free    Vitamins D and their derivatives vs-29362950
2936.29.50.30 Free    Biotin vs-2936295020
2936.29.50.50 Free    Other vs-2936295030
2936.90.01 Free    Other, including provitamins and natural concentrates vs-2936295050
2936.90.01.10 Free    Provitamins vs-29369001
2936.90.01.50 Free    Other vs-2936900110
2937     Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones:
Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues:
vs-2936900150
2937.11.00.00 Free    Somatotropin, its derivatives and structural analogues vs-2937
2937.12.00.00 Free    Insulin and its salts vs-2937110000
2937.19.00.00 Free    Other
Steroidal hormones, their derivatives and structural analogues:
vs-2937120000
2937.21.00 Free    Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) vs-2937190000
2937.21.00.10 Free    Cortisone vs-29372100
2937.21.00.20 Free    Hydrocortisone vs-2937210010
2937.21.00.30 Free    Prednisone vs-2937210020