Aroma molecule
4,5-dimethylthiazol
Smells ofgreen, roasted, nutty, meaty, cocoa
Found in 3 ingredients. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.
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- Formula
- —
- Mass
- —
- CAS
- 298-93-1
- PubChem
- —
- FEMA
- not listed
- Threshold
- —
- Class
- —
- Status
- Aroma-active
01How little it takes
No published odour threshold on file for 4,5-dimethylthiazol.
02Where it turns up
- Meat & fish2
- Fruit1
of the 3 ingredients that contain it, by food group
03What it travels with
Too few ingredients to say what it travels with.
What does 4,5-dimethylthiazol smell like?
Sources describe it as green, roasted, nutty, meaty, cocoa.
How this molecule is described
- solvent, chemical FlavorDB 2.0, Flavordb Odor Column 2 sources agree
- chemical, fatty, pine FlavorDB 2.0
- green, roasted, nutty, meaty, cocoa shown above Llm Adjudicated
- chemical Flavordb Odor Column
- pine Flavordb Odor Column
- fatty Flavordb Odor Column
Ordered by how many independent descriptor streams give each wording, then by how often it appears. The bar is replication (one source copied onto many ingredients scores high), not corroboration.
Which foods contain 4,5-dimethylthiazol?
We list 3 ingredients 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 4,5-dimethylthiazol in it. ✓n = sources that recorded the link.
How strong is 4,5-dimethylthiazol?
We hold no published odour threshold for 4,5-dimethylthiazol, so we cannot say how little of it you could smell.
Is 4,5-dimethylthiazol 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.
4,5-dimethylthiazol questions
What does 4,5-dimethylthiazol smell like?
Sources describe 4,5-dimethylthiazol as green, roasted, nutty, meaty and cocoa.
Which foods contain 4,5-dimethylthiazol?
We list 3 ingredients that contain 4,5-dimethylthiazol.
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Cite this analysis
Compound Kitchen (2026). 4,5-dimethylthiazol compound data sheet. https://compkitchen.com/compound/4%2C5-dimethylthiazol. Accessed 2026-11-03.
@misc{compkitchen_compound_4_5_dimethylthiazol_compound_data_sheet_2026,
title = {4,5-dimethylthiazol compound data sheet},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compound/4%2C5-dimethylthiazol},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.