| PRODUCT | FEMA NUMBER |
| Raspberry ketone, FCC [4-(4-hydroxyphenyl)-2-butanone] | 2588 |
| Resorcinol [108-46-3] | 3589 |
| Resorcinol dimethyl ether (m-dimethoxybenzene) | 2385 |
| Rhodinol, FCC [141-25-3] | 2980 |
| d-Ribose [50-69-1] | 3793 |
| Rosemary oil, FCC [8000-25-7] | 2992 |
| Rum Ether [8030-89-5] | 2996 |