# HTS 9902.02.56: 3-Methyl-4-(2,6,6-trimethylcyclohex-2-enyl)but-3-en-2-one (Methylionone)(CAS No. 1335-46-2) (provided for in subheading 2914.23.00)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #4583 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.02.56

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99020256-3-methyl-4-266-trimethylcyclohex-2-enylbut-3-en-2-one-m*