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HSN Code 29371100: Somatotropin, its derivatives and structural analogues

HSN 2937 11 00 is somatotropin, its derivatives and structural analogues, a tariff item of heading 2937 (hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis). GST: 5% / 18%. Basic customs duty: 7.5%. Export policy: Free; RoDTEP 0.7% of FOB value.

Checked against the official files on 2 October 2026Heading 2937Chapter 29 · Organic chemicals
GST rate5% / 18%

More than one entry reaches this code. The description of the goods decides the rate.

Notfn 9/2025-CT (Rate) · 2 entries
Basic customs duty7.5%

Standard rate, unit kg..

Customs Tariff · First Schedule · Ch. 29
Export policyFree

No export authorisation needed.

ITC(HS) 2022 · Schedule 2
RoDTEP0.7%

Of FOB value, exports from the domestic tariff area. AA, SEZ and EOU exports: 0.4%. Up to 31 December 2026.

Appendix 4R · w.e.f. 10 Oct 2024
Classification

Where HSN 2937 11 00 Sits

Use the eight-digit code on the bill of entry, the shipping bill and, where your turnover requires it, on the GST invoice. The first four digits are the heading; the last four narrow it to this line.

Chapter
29 · Organic chemicals
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
Tariff item
2937 11 00 · Somatotropin, its derivatives and structural analogues
Unit
kg.
Preferential rate
10%
GST

GST Rate on HSN 2937 11 00

GST on goods is fixed by the entries of Notification No. 9/2025-Central Tax (Rate), in force from 22 September 2025 and amended up to 30 April 2026. The entries below are the ones that reach this code. Match the goods to the description in the entry before you invoice.

GST rateEntryCodes namedGoods covered by the entry
5%Schedule I, S. No. 22229 or 3808 93Gibberellic acid (chapter-wide entry)
18%Schedule II, S. No. 3629All organic chemicals other than giberellic acid (chapter-wide entry)
18%Schedule II, S. No. 639Any ChapterGoods which are not specified in Schedule I, III, IV, V, VI or VII (residual entry)

Goods that fall under no specific entry take the residual entry, unless they are exempt under the exemption notification issued with the rate notification.

Import

Customs Duty on HSN 2937 11 00

An import pays basic customs duty at the tariff rate, social welfare surcharge at 10% of that duty (unless exempted for the goods), and IGST at the GST rate on the value plus both duties.

Basic customs duty at
Social welfare surcharge, 10% of the duty
IGST at on value plus both
Total duty and tax
As a share of the value

Standard rates only: no exemption notification, anti-dumping or safeguard duty, or trade-agreement rate is applied, and the surcharge is taken at 10% although some goods are exempted from it. A registered importer takes credit of the IGST.

Export

Export Policy and RoDTEP for HSN 2937 11 00

Schedule 2 of ITC(HS) 2022 marks this tariff item Free. Appendix 4R gives RoDTEP at 0.7% of FOB value for exports from the domestic tariff area and 0.4% for Advance Authorisation, SEZ and EOU exports. The scheme continues up to 31 December 2026.

  1. Current RoDTEP schedule takes effectAppendix 4R and 4RE notified by Notification 32/2024-25.
  2. All rates and caps limited to 50%Notification 60/2025-26, with immediate effect.
  3. Full rates restoredNotification 66/2025-26 and its corrigendum: the rates of 22 February 2026 apply again from 23 March.
  4. Scheme continued to 30 September 2026Notification 74/2025-26, rates unchanged.
  5. Scheme continued to 31 December 2026Notification 41/2026-27: rates and caps as on 30 September 2026 continue.
Same heading

Other Codes Under HSN 2937

Tariff itemDescriptionBasic customs duty
2937 11 00Somatotropin, its derivatives and structural analogues7.5%
2937 12 00Insulin and its salts7.5%
2937 19 00Other7.5%
2937 21 00Cortisone, hydrocortisone, prednisone (dehydrocortisone) and prednisolone (dehydrohydrocortisone)7.5%
2937 22 00Halogenated derivatives of corticosteroidal harmones7.5%
2937 23 00Oestrogens and progestogens7.5%
2937 29 00Other7.5%
2937 50 00Prostaglandins,thromboxanes, leukotrienes, their derivatives and structural analogues7.5%
2937 90 11EpinethrineCatecholamine hormones,their derivatives and structural analogues7.5%
2937 90 19OtherCatecholamine hormones,their derivatives and structural analogues7.5%
2937 90 20Amino-acid derivativesCatecholamine hormones,their derivatives and structural analogues7.5%
2937 90 90Other XII. –GLYCOSIDES AND VEGETABLE ALKALOIDS,Catecholamine hormones,their derivatives and structural analogues7.5%
Not shown on this page
  • The item-wise import policy (Free, Restricted or Prohibited) of ITC(HS) Schedule 1.
  • Exemption notifications, anti-dumping and safeguard duties, and preferential rates under trade agreements. The duty shown is the tariff rate.
  • The GST exemption notification. Goods exempt under it pay no GST even if a rate entry names the code.

Official documents behind this page

  1. Notification No. 9/2025-Central Tax (Rate), 17 September 2025GST rate Schedules I to VI, in force from 22 September 2025, as amended by Notification No. 19/2025-Central Tax (Rate) of 31 December 2025 (Schedule VII omitted from 1 February 2026) and No. 01/2026 of 30 April 2026.
  2. Customs Tariff, First ScheduleCBIC Customs Tariff as on 30 June 2024, with the First Schedule amendments of the Finance (No. 2) Act, 2024, the Finance Act, 2025 and the Finance Act, 2026 applied.
  3. ITC(HS) 2022, Schedule 2, Export PolicyDGFT: the export policy and policy condition of each tariff item.
  4. Appendix 4R and Appendix 4RE, RoDTEP ScheduleDGFT, with effect from 10 October 2024 (Notification No. 32/2024-25); the 2026 changes are in Notifications 60, 66 and 74 of 2025-26 and 41 of 2026-27.

Disclaimer: This guide is general information based on the law and notifications in force when it was last updated. It is not professional advice for your case — rates, thresholds and due dates change, so check the current position or speak to our CA team before you act on it.

People also ask

Questions, answered

Short, direct answers to the 4 questions readers ask most on this topic.

HSN 2937 11 00 is the tariff item for somatotropin, its derivatives and structural analogues, under heading 2937 (Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis) of Chapter 29.

The entries of Notification No. 9/2025-Central Tax (Rate) that reach this code give 5% / 18%. The rate depends on the description in the entry.

The basic customs duty in the Customs Tariff is 7.5%. Social welfare surcharge at 10% of the duty and IGST at the GST rate are added. An exemption notification or a trade agreement can reduce the duty actually payable.

Yes. Appendix 4R lists the code at 0.7% of FOB value. The scheme continues up to 31 December 2026.