| Pentb - Peq | Nummer |
| Penten-1 | 16 |
| n-Penten-1 | xxx |
| cis-2-Penten | 14 |
| trans-2-Penten | 16 |
| Penten-2-cis-Gemisch | |
| Penten-2-trans-Gemisch | |
| trans-2-Pentenal | |
| 2-Penten-nitril | 14 / 7 |
| cis-2-Penten-nitril | 14 / 7 / 13 / # (19a) |
| 3-Penten-nitril | 14 / 7 / 13 |
| 1-Penten-3-on | 16 / # 40 Tränen |
| 3-Penten-2-on | |
| trans-2-Pentensäure | 16 |
| 3- / 4- Pentensäure | 2 |
| cis-2-Pentensäure-nitril | 14 / 7 / 13 / # (19a) |
| Pentetrazol | 8 |
| Pentifyllin | xxx |
| 1- / 2- Pentin | 16 |
| 4-Pentinsäure | 2 |
| Pento-barbital | 14 / (17) |
| Pento-barbital-Natrium | 17 |
| Pento-linium-tartrat | 16 |
| Pento-rexum | 14 |
| Pento-xifyllin | |
| Pentrit | 16 / 13 |
| Pentryl | |
| Pentyl-acetat | 16 |
| 1-Pentyl-acetat | 16 / Über AGW 19b |
| 3-Pentyl-acetat | 16 |
| iso-Pentyl-acetat | |
| n-Pentyl-amin | 2 |
| n-Pentyl-benzol | 3 / 16 |
| N-tert-Pentyl-2-benzothiazol-sulfenamid | 16 / 18 |
| Pentyl-butyrat | 16 |
| n-Pentyl-chlorid | |
| tert-Pentyl-chlorid | 6 / 16 |
| Pentyl-cyanid | 7 |
| 4-Pentyl-cyclo-hexanon | 16 |
| Pentylen-tetrazol | xxx |
| Pentyl-formiat | 16 / 18 |
| 2-Pentyl-idencyclo-hexanon | 18 |
| n-Pentyl-iso-pentyl-phthalat | 19b |
| Pentyl-lactat | 16 |
| Pentyl-mercaptan | 16 / # 123 Geruch |
| iso-Pentyl-nitrit | 16 / 13 |
| n-Pentyl-nitrit | 14 / 13 |
| N-Pentyl-1-pentanamin | 14 |
| p-tert-Pentyl-phenol | 16 / # 21 Haut / # 66 Reiz |
| Pentyl-propionat | 16 |
| 2-Pentyl-pyridin | 14 |
| Pentyl-thio-cyanat | |
| Pentyl-tri-chlorsilan | 2 |
| α-Pentyl-zimtaldehyd | 16 / 18 |
| Pepsin A | 16 / sehr selten 18 |
| Pepstatin | # 227 H |