| 1303-96-4 | Sodium tetraborate decahydrate | Na2B4O7.10(H2O) |
| 1303-52-2 | Gold hydroxide | AuH3O3 |
| 1303-18-0 | arsenopyrite | AsFe S |
| 1303-50-0 | HYDROGEN TETRACHLOROAURATE(III) TETRAHYDRATE | AuCl4 . 4 H2 O . H |
| 1303-24-8 | ARSENOLITE | As2O3 |
| 1303-37-3 | ARSENIC PENTASELENIDE | Molecular Weight: |
| 1303-94-2 | Dilithium tetraboron heptaoxide | H14B4Li2O7 |