# 292630 — Nitrile-function compounds: Fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane)

HS code 292630 classifies Nitrile-function compounds: Fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane). It belongs to Chapter 29 (Organic chemicals) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 29 · Organic chemicals

**HS code:** `292630`

## Description

Nitrile-function compounds : Fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane)

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | Free–6.5% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/29/292630
Last updated: 2026-06-03
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