| 51274-00-1 | Iron(III) oxide-hydroxide ; Pigment Yellow 42 | Iron(III) oxide-hydroxide | | 1 | 3206.49 ; 2821.10 | | Send  | 49740794.58 | |
| 51277-96-4 | Palmitamidopropyltrimonium chloride | | 1 | | 3402.12 | | Send  | | |
| 51298-62-5 | N-Nitro-L-arginine methyl ester hydrochloride | Methyl (2S)-2-amino-5-[[amino(nitramido)methylidene]amino]pentanoate;hydrochloride | 1 | | 2929.90 | | Send  | 18444.44 | |
| 513-00-8 | Tetraisopropyl pyrophosphoramide | N-[Bis(propan-2-ylamino)phosphoryloxy-(propan-2-ylamino)phosphoryl]propan-2-amine | 1 | | 2929.90 | | Send  | 3531.61 | |
| 513-35-9 | 2-Methylbut-2-ene | 2-Methylbut-2-ene | 1 | | 2710.12 ; 2901.29 | | Send  | 1826.81 | |
| 513-49-5 | (S)-(+)-Sec-butylamine | Butan-2-amine | 1 | | 2921.19 | | Send  | 3976.35 | |
| 513-77-9 | Barium carbonate | Barium(+2) cation carbonate | 1 | | 2511.20 ; 2836.60 | 8 | Send  | 17989916.94 | |
| 513-78-0 | Cadmium carbonate | Cadmium(+2) cation carbonate | 1 | | 2836.99 | | Send  | 10164.21 | |
| 513-79-1 | Cobaltous carbonate | Cobalt(2+); carbonate | 1 | | 2836.99 ; 3815.90 | | Send  | 1969579.91 | |
| 513-85-9 | Butane-2,3-diol | Butane-2,3-diol | 1 | | 2905.39 | | Send  | 5258.34 | |