| CJC-1295 | 863288-34-0 | | 1 |
| Cholesterol XG | 57-88-5 | | 1 |
| Choline Alfocerate | 28319-77-9 | | 1 |
| Choline Salicylate | 2016-36-6 | | 1 |
| Cholinhydrogentartrat | 87-67-2 | Parasympathomimetics | 1 |
| Chondroitin Sulfate Sodium (medical grade) | 9082-07-9 | | 1 |
| Chromium Picolinate | 7681-57-4 | | 1 |
| Chromium(III) chloride hexahydrate | 10060-12-5 | | 1 |
| Chrysanthellum americanum | | Herbal remedies | 1 |
| Cibenzoline Succinate | 100678-32-8 | Anti-arrhythmics | 1 |
| Cilansetron | 120635-74-7 | 5HT3 antagonists | 1 |
| Cilengitide | 188968-51-6 | Other antithrombin | 1 |
| Cimicoxib | 265114-23-6 | NSAIDs | 1 |
| Cinchocaine Hydrochloride | 61-12-1 | | 1 |
| Cinchona bark | | Herbal remedies | 1 |
| Cinnamom powder | | Herbal remedies | 1 |
| Cinnamomum cassia | | Herbal remedies | 1 |
| Cinnamon cut | | Herbal remedies | 1 |
| Ciprofloxacin Lactate | 97867-33-9 | | 1 |
| Citiolone | 220991-32-2 | | 1 |
| Citronella | | Insect repellents | 1 |
| Cl2 Linker | 2270986-66-6 | | 1 |
| Cl2A | 2616704-22-2 | | 1 |
| Cl2A-Sn38 | 1279680-68-0 | | 1 |
| Cl2E-Sn38 | 1639139-65-3 | | 1 |
| Clarithromycin Granules 27.5% | | | 1 |
| Clarithromycin Granules 33% | | | 1 |
| Clarithromycin Granules 42% | | | 1 |
| Clarithromycin Granules 43% | | | 1 |
| Clay white | | Keratolytica | 1 |
| Clemastine fumarate | 610309-89-2 | Antihistamines | 1 |
| Clenbuterol Hydrochloride | 21898-19-1 | | 1 |
| Clivers herb | | Herbal remedies | 1 |
| Clofibrate | 637-07-0 | Fibrates | 1 |
| Clomiphene Citrate | 50-41-9 | | 1 |
| Clopamide | 636-54-4 | Diuretics | 1 |
| Clopidogrel bisulfate (Form-2) | 135046-48-9 | | 1 |
| Clostebol | 1093-58-9 | Androgens | 1 |
| Clove tree | | Herbal remedies | 1 |
| Cloxacillin Benzathine | | | 1 |