---
title: "HSN Code for Pyrimidine/piperazine compounds: Trimethoprim | HSN 29335920 GST Rate"
description: "Find HSN and GST Rates for 29335920 related to Pyrimidine/piperazine compounds: Trimethoprim with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29335920/"
---

# HSN Code 29335920: Pyrimidine/piperazine compounds: Trimethoprim

- [Section 06: Guide to HSN Section 06](https://busy.in/hsn/section-06/)
- [Chapter 29: Organic Chemicals](https://busy.in/hsn/chapter-29/)
- [Sub-chapter 2933: Heterocyclic nitrogen compounds](https://busy.in/hsn/sub-chapter-2933/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :Other :Trimethoprim | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29335920 ?

It includes Pyrimidine/piperazine compounds: Trimethoprim

### Any common misclassification issue with Pyrimidine/piperazine compounds: Trimethoprim?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### Do e‑way bill and e‑invoice apply for Pyrimidine/piperazine compounds: Trimethoprim?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### How much GST applies to Pyrimidine/piperazine compounds: Trimethoprim?

Under HSN 29335920, Pyrimidine/piperazine compounds: Trimethoprim attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### How should mixed supplies be billed when Pyrimidine/piperazine compounds: Trimethoprim is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Pyrimidine/piperazine compounds: Trimethoprim; Nil for exempt items if applicable).

### Can we claim ITC on inputs used to trade Pyrimidine/piperazine compounds: Trimethoprim?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### Does packaging or labelling change the GST for Pyrimidine/piperazine compounds: Trimethoprim?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

## India's trade performance: HSN Code 29335920 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹116 Cr (−1.38% YoY) — 0.0032% of India's total exports
- Imports: ₹2 Cr (−85.18% YoY) — 0.0000% of India's total imports
- Trade balance: ₹114 Cr (Surplus); surplus rank #1514 of 12657 HSN codes
- Share of Sub-Chapter 2933: 0.31% of its exports; import side 0.01%
- Rank within Sub-Chapter 2933: #17 of 95 by export value; import-side #40

### Key metrics

- Export CAGR: -0.54% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #2470 of 12657 HSN codes by export value (FY 2024-25)
- Peak growth year: +7.95% in FY 2020-21
- Contribution to Sub-Ch. 2933: 0.31% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Code 29335920

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 2933 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 2933 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 119.96 | 0.0053% | — | 0.70% | 3.29 | 0.0001% | — | 0.02% | +116.67 | #1810 |
| FY 2019-20 | 115.77 | 0.0053% | −3.49% | 0.60% | 2.83 | 0.0001% | −13.98% | 0.02% | +112.94 | #1852 |
| FY 2020-21 | 124.97 | 0.0058% | +7.95% | 0.53% | 2.12 | 0.0001% | −25.09% | 0.01% | +122.85 | #1844 |
| FY 2021-22 | 126.80 | 0.0040% | +1.46% | 0.44% | 9.71 | 0.0002% | +358.02% | 0.05% | +117.09 | #2132 |
| FY 2022-23 | 114.24 | 0.0032% | −9.91% | 0.36% | 12.02 | 0.0002% | +23.79% | 0.06% | +102.22 | #2361 |
| FY 2023-24 | 117.74 | 0.0033% | +3.06% | 0.28% | 13.97 | 0.0002% | +16.22% | 0.04% | +103.77 | #2374 |
| FY 2024-25 | 116.11 | 0.0032% | −1.38% | 0.31% | 2.07 | 0.0000% | −85.18% | 0.01% | +114.04 | #2470 |

- CAGR (7-year): exports -0.54%/yr, imports -7.43%/yr (consistently Surplus)

## Key trade insights: HSN Code 29335920 export-import analysis

### Export decline: -0.54% CAGR over 7 years

India's exports under HSN Code 29335920 have declined at a compound annual rate of -0.54% over 7 fiscal years, falling from ₹119.96 Crore in FY 2018-19 to ₹116.11 Crore in FY 2024-25.

### HSN Code 29335920 ranked #2470 among all 12657 HSN codes by export value

In FY 2024-25, HSN Code 29335920 ranks #2470 out of 12657 HSN codes by total export value. Within Sub-Chapter 2933, it ranks #17 of 95. By trade surplus, it ranks #1514 of 12657.

### FY 2020-21 was the strongest growth year for HSN Code 29335920 exports

The strongest single-year export movement for HSN Code 29335920 was recorded in FY 2020-21, when exports surged by 7.95% over the prior year.

### India maintains a trade surplus of ₹114.04 Crore in HSN Code 29335920 goods

In FY 2024-25, India's exports of ₹116.11 Cr exceeded imports of ₹2.07 Cr, resulting in a trade surplus of ₹114.04 Crore — ranking #1514 of 12657 by surplus magnitude.

### Import growth of -7.43% CAGR signals stable import dependency for Pyrimidine/piperazine compounds: Trimethoprim

India's imports under HSN Code 29335920 have grown at -7.43% CAGR, reaching ₹2.07 Crore in FY 2024-25.

### HSN Code 29335920 contributes 0.31% of Sub-Chapter 2933 exports — ranked #17

Among the 95 HSN codes under Sub-Chapter 2933, HSN Code 29335920 ranks #17 by export value — accounting for 0.31% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 0.01% share (rank #40).

## Related HSN Codes in Sub-Chapter 2933

Ranked by export value (FY 2024-25).

| Rank | HSN Code | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | [HSN Code 29339990: Other \|Other \| Other](https://busy.in/hsn/hsn-29339990/) | ₹12,700 Cr |
| #2 | [HSN Code 29333990: Other Pyridine Compounds](https://busy.in/hsn/hsn-29333990/) | ₹7,256 Cr |
| #3 | [HSN Code 29335990: Pyrimidine/piperazine compounds: Other](https://busy.in/hsn/hsn-29335990/) | ₹4,482 Cr |
| #4 | [HSN Code 29331999: Pyrazole compounds: Other](https://busy.in/hsn/hsn-29331999/) | ₹2,638 Cr |
| #5 | [HSN Code 29332990: Imidazole compounds: Other](https://busy.in/hsn/hsn-29332990/) | ₹1,791 Cr |
| #6 | [HSN Code 29333929: 1-azabicyclo(2,2,2)octan-3-ol](https://busy.in/hsn/hsn-29333929/) | ₹1,538 Cr |
| #7 | [HSN Code 29337990: Lactams \|Other Lactams](https://busy.in/hsn/hsn-29337990/) | ₹1,536 Cr |
| #8 | [HSN Code 29334900: Other quinoline or isoquinoline compounds](https://busy.in/hsn/hsn-29334900/) | ₹1,310 Cr |
| #9 | [HSN Code 29333100: Pyridine And Its Salts](https://busy.in/hsn/hsn-29333100/) | ₹1,169 Cr |
| #10 | [HSN Code 29336990: Other compounds with unfused triazine ring](https://busy.in/hsn/hsn-29336990/) | ₹624 Cr |
| #17 | HSN Code 29335920: Pyrimidine/piperazine compounds: Trimethoprim (this hsn code) | ₹116 Cr |