4,5-dimethyloxazole
roasted nitrogen compoundFound in 4 ingredients across the CompKitchen flavor graph.
Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.
- Formula
- C5H7NO
- Molecular weight
- 97.12 g/mol
- PubChem CID
- 30214 — full record on PubChem
Properties
- Volatility
- high
- CAS number
- 20662-83-3
FEMA GRAS — Generally Recognized As Safe for flavoring use
- FEMA number
- 4396
- GRAS publication
- GRAS 23
- FEMA primary name
- 2-Propyl-4,5-dimethyloxazole
Reported use levels (ppm by food category)
Typical vs maximum reported addition levels in finished food. Use as a regulatory ceiling reference — verify against the current GRAS publication for your product category.
| Food category | Typical (ppm) | Maximum (ppm) |
|---|---|---|
| baked goods | 0.4 | 2 |
| beverages (nonalcoholic) | 0.2 | 1 |
| breakfast cereal | 0.2 | 1 |
| cheese | 0.4 | 2 |
| condiments/ relishes | 0.2 | 1 |
| confectionery frostings | 0.4 | 2 |
| fats/oils | 0.2 | 1 |
| fish products | 0.1 | 0.4 |
| frozen dairy | 0.4 | 2 |
| fruit ices | 0.4 | 2 |
| gelatins/ puddings | 1 | 5 |
| gravies | 1 | 5 |
| imitation dairy | 0.4 | 2 |
| jams/jellies | 1 | 5 |
| meat products | 0.1 | 0.4 |
| milk products | 0.4 | 2 |
| other grains | 0.2 | 1 |
| poultry | 0.1 | 0.4 |
| processed fruits | 0.3 | 1.5 |
| seasonings/ flavors | 0.2 | 1 |
| snack foods | 0.2 | 1 |
| soups | 0.2 | 1 |
| sweet sauces | 0.2 | 1 |
Found in
Measured impact first, then profile shareEvery ingredient known to contain 4,5-dimethyloxazole. Ingredients with a measured concentration come first, ranked by odour activity; the rest follow by how large a share of that ingredient's profile this molecule is. The figure beside each is how many different compounds that ingredient has in total — not the concentration of 4,5-dimethyloxazole in it.
Get a molecule-level pairing breakdown each week — which ingredients share a compound, and why it matters at the table. Free, no spam.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Try the pairing tools to see which ingredient combinations rely on 4,5-dimethyloxazole, or compare two ingredients side-by-side.