| Tariff Classification |
| section 06 | Products of the chemical or allied industries |
| chapter 29 | Organic chemicals |
| 29.37 | 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: |
| 2937.12 | －－Insulin and its salts |
|