美国 · 品目· 10 个子目· 21 个税号
2936维生素原、维生素及其衍生物和混合物
Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarestdy as vitamins, and intermixtures of the foregoing, whether or not in any solvent
子目（6 位 WCO 统一）
美国税号（10 位）
本品目下 美国海关的全部细分税号与首要税率
| HS 编码 | 商品描述 | 首要税率 |
|---|---|---|
| 2936.21.00.00 | Vitamins A and their derivatives | Free |
| 2936.22.00.00 | Vitamin B1 (Thiamine) and its derivatives | Free |
| 2936.23.00.00 | Vitamin B2 (Riboflavin) and its derivatives | Free |
| 2936.24.01.00 | D- or DL-Pantothenic acid (Vitamin B5) and its derivatives | Free |
| 2936.25.00.00 | Vitamin B6 (Pyridoxine and related compounds with Vitamin B6 activity) and its derivatives | Free |
| 2936.26.00.00 | Vitamin B12 (Cyanocobalamin and related compounds with Vitamin B12 activity) and its derivatives | Free |
| 2936.27.00.00 | Vitamin C (Ascorbic acid) and its derivatives | Free |
| 2936.28.00.00 | Vitamin E (Tocopherols and related compounds with Vitamin E activity) and its derivatives | Free |
| 2936.29.10.00 | Folic acid | Free |
| 2936.29.16 | Niacin and niacinamide | Free |
| 2936.29.16.10 | Pharmaceutical grade | Free |
| 2936.29.16.20 | Other | Free |
| 2936.29.16.30 | Niacinamide | Free |
| 2936.29.20.00 | Aromatic or modified aromatic | Free |
| 2936.29.50 | Other | Free |
| 2936.29.50.20 | Vitamins D and their derivatives | Free |
| 2936.29.50.30 | Biotin | Free |
| 2936.29.50.50 | Other | Free |
| 2936.90.01 | Other, including provitamins and natural concentrates | Free |
| 2936.90.01.10 | Provitamins | Free |
| 2936.90.01.50 | Other | Free |