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Compound sheet

Aroma molecule

4-methylpentyl isothiocyanate

Smells ofpungent, brassicaceae-like

Found in 1 ingredient. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.

Working on a formulation or a product line? This compound data is available by API for R&D teams.

Formula
—
Mass
143.25 g/mol
CAS
—
PubChem
—
Threshold
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Class
—
Status
Aroma-active

01How little it takes

No published odour threshold on file for 4-methylpentyl isothiocyanate.

02Where it turns up

  • Vegetables1

of the 1 ingredient that contain it, by food group

03What it travels with

Too few ingredients to say what it travels with.

What does 4-methylpentyl isothiocyanate smell like?

Sources describe it as pungent, Brassicaceae-like.

Which foods contain 4-methylpentyl isothiocyanate?

We list 1 ingredient that contain it, but presence is not the same as smell. What matters is how much is there compared with how little it takes to notice it. That ratio is the odour activity value (OAV): above 1, you can smell it.

Found in

Measured foods first, then real food profiles, then thin or composite records (marked). The figure beside each is how many compounds that ingredient has in total, not the amount of 4-methylpentyl isothiocyanate in it. ✓n = sources that recorded the link.

How strong is 4-methylpentyl isothiocyanate?

We hold no published odour threshold for 4-methylpentyl isothiocyanate, so we cannot say how little of it you could smell.

Retention index
1165

Is 4-methylpentyl isothiocyanate safe to eat?

Not in FEMA GRAS publications 1–33. Of 3,367 listed flavoring substances, none match this compound or its other names. It may still be food-safe under other regulatory routes (FDA 21 CFR 172, EFSA, JECFA); check femaflavor.org for the authoritative current list.

4-methylpentyl isothiocyanate questions

What does 4-methylpentyl isothiocyanate smell like?

Sources describe 4-methylpentyl isothiocyanate as pungent and brassicaceae-like.

Which foods contain 4-methylpentyl isothiocyanate?

We list 1 ingredient that contain 4-methylpentyl isothiocyanate.

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Cite this analysis
Plain text
Compound Kitchen (2026). 4-methylpentyl isothiocyanate compound data sheet. https://compkitchen.com/compound/4-methylpentyl%20isothiocyanate. Accessed 2026-11-03.
BibTeX
@misc{compkitchen_compound_4_methylpentyl_isothiocyanate_compound_data_sheet_2026,
  title  = {4-methylpentyl isothiocyanate compound data sheet},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compound/4-methylpentyl%20isothiocyanate},
  note   = {Accessed: 2026-11-03}
}

Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.