| 35490 | Cakes, alkaline (i.e., intermediate products of the manufacture of chlortetracycline) | |
| 41603 | Cakes, antimony | |
| 41412 | Cakes, copper, for re-melting and refining | |
| 41601 | Cakes, magnesium | |
| 41422 | Cakes, nickel | |
| 41441 | Cakes, of refined lead, unalloyed | |
| 14290 | Calamine (excl. precious stones) | |
| 49930 | Calashes | |
| 14240 | Calaverite | |
| 35250 | Calciferol, not put up as medicaments | |
| 35260 | Calciferol, put up as medicaments in measured doses or in forms or packings for retail sale | |
| 37195 | Calcimeters | |
| 16190 | Calcite | |
| 35250 | Calcitonin (INN), not put up as medicaments | |
| 34230 | Calcium | |
| 33690 | Calcium 45 | |
| 34140 | Calcium acetate | |
| 34250 | Calcium aluminate | |
| 34613 | Calcium ammonium nitrate, whether or not pure | |
| 34620 | Calcium arsenate put up as an insecticide in forms or packings for retail sale | |
| 34270 | Calcium arsenates | |
| 34270 | Calcium arsenite | |
| 35250 | Calcium ascorbate, not put up as medicaments | |
| 35250 | Calcium ascorboglutamate, not put up as medicaments | |
| 34140 | Calcium benzoate | |
| 35250 | Calcium bis(6-benzylpenicillanate), not put up as medicaments | |
| 34240 | Calcium bisulphite | |
| 16190 | Calcium borates, natural, crude | |
| 34270 | Calcium borates, precipitated | |
| 34280 | Calcium boride | |
| 34240 | Calcium bromide | |
| 34280 | Calcium carbide | |
| 35490 | Calcium carbonate, natural, finely ground ("champagne white") | |
| 34240 | Calcium carbonate, precipitated | |
| 35420 | Calcium caseinate | |
| 34240 | Calcium chlorate | |
| 34240 | Calcium chloride | |
| 34250 | Calcium chromate | |
| 35490 | Calcium citrate, crude | |
| 34140 | Calcium citrate, pure | |