| Cadexomer iodine | 94820-09-4 |
| Cadmium | 7440-43-9 |
| Cadonilimab | 2394841-59-7 |
| Cadralazine | 64241-34-5 |
| Cafedrine | 58166-83-9 |
| Caflanone | 199167-23-2 |
| Cajuput oil | 8008-98-8 |
| Calanolide A | 142632-32-4 |
| Calaspargase pegol | 941577-06-6 |
| Calcitonin eel | 57014-02-5 |
| Calcitonin gene-related peptide | 83652-28-2 |
| Calcitonin porcine | 12321-44-7 |
| Calcium Phosphate | 10103-46-5 |
| Calcium alginate | 9005-35-0 |
| Calcium ascorbate | 5743-27-1 |
| Calcium carbimide | 156-62-7 |
| Calcium cation | 14127-61-8 |
| Calcium chloride dihydrate | 10035-04-8 |
| Calcium fluoride | 7789-75-5 |
| Calcium glubionate anhydrous | 97635-31-9 |
| Calcium glycerophosphate | 27214-00-2 |
| Calcium hypochlorite | 7778-54-3 |
| Calcium lactate | 814-80-2 |
| Calcium lactate gluconate | 11116-97-5 |
| Calcium levulinate | 591-64-0 |
| Calcium magnesium potassium carbonate chloride hydroxide | 1224727-39-2 |
| Calcium oxide | 1305-78-8 |
| Calcium pangamate | 20310-61-6 |
| Calcium phosphate dihydrate | 7789-77-7 |
| Calcium polycarbophil | 126040-58-2 |
| Calcium saccharate | 5793-88-4 |
| Calcium silicate | 1344-95-2 |
| Calcium sulfide | 20548-54-3 |
| Calcobutrol | 151878-23-8 |
| Caldaret | 133804-44-1 |
| Calfactant | 183325-78-2 |
| Calicheamicin | 108212-75-5 |
| Calmangafodipir | 1401243-67-1 |
| Calusterone | 17021-26-0 |
| Calyculin A | 101932-71-2 |