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GOODS ACROSS BORDERS

HS HEADING 2937

Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones.

HEADING

2937

CHAPTER

29Organic chemicals

6-digit subheadings (9)

Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.

2937.11

Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues; somatotropin, its derivatives and structural analogues

2937.12

Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues; insulin and its salts

2937.19

Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues; other than somatotropin, (its derivatives and structural anaologues) and insulin and its salts

2937.21

Steroidal hormones, their derivatives and structural analogues; cortisone, hydrocortisone, prednisone (dehydrocortisone) and prednisolone (dehydrohydrocortisone)

2937.22

Steroidal hormones, their derivatives and structural analogues; halogenated derivatives of corticosteroidal hormones

2937.23

Steroidal hormones, their derivatives and structural analogues; oestrogens and progestogens

2937.29

Steroidal hormones, their derivatives and structural analogues; other than cortisone, hydrocortisone, prednisone (dehydrocortisone), prednisolone (dehydrohydrocortisone), halogenated derivatives of corticosteroidal hormones, oestrogen and progestogens

2937.50

Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues

2937.90

Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones, n.e.c. in heading 2937

Covered items classified under 2937

Chapter 29 classification notes

Key chapter for pharmaceutical intermediates, narcotic and psychotropic substances (controlled under the 1961 and 1971 UN Conventions), and list-1 chemicals under the 1988 Convention (drug-precursor control). Import requires prior authorisation from the national competent authority.

Frequent misclassification in this chapter

Finished medicaments: Chapter 30 (3004). Agricultural pesticides: Chapter 38 (3808) when formulated; raw active ingredients may be Chapter 29. Essential oils: Chapter 33 when perfumery-grade.

Classification certainty

The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.

Binding tariff ruling database

Other headings in Chapter 29

RULES5,339COUNTRIES85ITEMS111CARRIERS28GUIDES46UNIQUE SOURCES645LATEST VERIFICATION2026-07-26MethodologyChangelog