| Napa cabbage | 04251557104567 | Astra Biotech GmbH | Unknown class | |
| nApi m 4 Melittin | 04251557108527 | Astra Biotech GmbH | Unknown class | |
| Naproxen | 04251557102198 | Astra Biotech GmbH | Unknown class | |
| nArt v1 Mugwort (Artemisia vulgaris) | 04251557107377 | Astra Biotech GmbH | Unknown class | |
| nArt v3 Mugwort (Artemisia vulgaris) | 04251557107384 | Astra Biotech GmbH | Unknown class | |
| nBos d 6 BSA (Bovine serum albumin) | 04251557107308 | Astra Biotech GmbH | Unknown class | |
| nCan f 3 Dog serum albumin | 04251557107322 | Astra Biotech GmbH | Unknown class | |
| Nectarine | 04251557105656 | Astra Biotech GmbH | Unknown class | |
| Neomycin | 04251557102068 | Astra Biotech GmbH | Unknown class | |
| Neurospora sitophila | 04251557106820 | Astra Biotech GmbH | Unknown class | |
| nFel d 2 Cat serum albumin | 04251557107315 | Astra Biotech GmbH | Unknown class | |
| nGal d 1 Ovomucoid | 04251557107247 | Astra Biotech GmbH | Unknown class | |
| nGal d 2 Ovalbumin | 04251557107230 | Astra Biotech GmbH | Unknown class | |
| nGal d 3 Conalbumin (Ovotransferrin) | 04251557107254 | Astra Biotech GmbH | Unknown class | |
| Norfloxacin | 04251557102341 | Astra Biotech GmbH | Unknown class | |
| Northern bilberry | 04251557104178 | Astra Biotech GmbH | Unknown class | |
| Nutmeg | 04251557105069 | Astra Biotech GmbH | Unknown class | |
| Oak (Quercus alba) | 04251557107452 | Astra Biotech GmbH | Unknown class | |
| Oak wood | 04251557101740 | Astra Biotech GmbH | Unknown class | |
| Oats | 04251557103034 | Astra Biotech GmbH | Unknown class | |
| Octopus | 04251557103393 | Astra Biotech GmbH | Unknown class | |
| Ofloxacin | 04251557102242 | Astra Biotech GmbH | Unknown class | |
| Olive (Olea europea) | 04251557107476 | Astra Biotech GmbH | Unknown class | |
| Olives | 04251557105649 | Astra Biotech GmbH | Unknown class | |
| Onion | 04251557103355 | Astra Biotech GmbH | Unknown class | |
| Orange | 04251557103225 | Astra Biotech GmbH | Unknown class | |
| Orange tree (Citrus sinensis) | 04251557107667 | Astra Biotech GmbH | Unknown class | |
| Oregano | 04251557105564 | Astra Biotech GmbH | Unknown class | |
| ORYUM | 08699495390158 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495390165 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495390172 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495390189 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495390455 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495391384 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495391391 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495391407 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495391414 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| ORYUM | 08699495391421 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495390325 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495390332 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495390349 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495390356 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495390448 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495391872 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495391889 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495391896 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495391902 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| OVEM | 08699495391919 | YILMAZ BİO MEDİKAL SAN. VE TİC.LTD.ŞTİ | Class IIa | |
| Oxacillin | 04251557102235 | Astra Biotech GmbH | Unknown class | |
| Ox eye daisy, Marguerite (Chrysanthemum leucanthemum) | 04251557108053 | Astra Biotech GmbH | Unknown class | |