| • | Citraconic acid (CAS: 498-23-7) | • | Citraconic acid anhydride (CAS: 616-02-4) | • | Citral (CAS: 5392-40-5) |
| • | Citrate Lyase (CAS: 9012-83-3) | • | Citrate Synthase (CAS: 9027-96-7) | • | Citrazinic acid (CAS: 99-11-6) |
| • | Citric acid (CAS: 77-92-9) | • | Citric acid monohydrate (CAS: 5949-29-1) | • | Citric acid trilithium salt tetrahydrate (CAS: 6080-58-6) |
| • | Citrinin (CAS: 518-75-2) | • | Citronella Oil (CAS: 8000-29-1) | • | Citronellal (CAS: 106-23-0) |
| • | Citronellol (CAS: 106-22-9) | • | Citronellyl acetate (CAS: 150-84-5) | • | Citronellyl Butyrate (CAS: 141-16-2) |
| • | Citropten (CAS: 487-06-9) | • | Citrus Pectin (CAS: 9000-69-5) | • | Ciwujianoside B (CAS: 114902-16-8) |
| • | CJ-42794 (CAS: 847728-01-2) | • | CL 218872 (CAS: 66548-69-4) | • | CL-216303 HCl (CAS: 86215-36-3) |
| • | CLA (CAS: 19953-58-3) | • | Cladribine (CAS: 4291-63-8) | • | Clarithromycin (CAS: 81103-11-9) |
| • | Clavulanate potassium (CAS: 61177-45-5) | • | Clavulanic Acid (CAS: 58001-44-8) | • | Clayton Yellow (CAS: 1829-00-1) |
| • | Clebopride (CAS: 55905-53-8) | • | Clemastine (CAS: 15686-51-8) | • | Clemastine fumarate (CAS: 14976-57-9) |
| • | Clemizole (CAS: 442-52-4) | • | Clemizole hydrochloride (CAS: 1163-36-6) | • | Clenbuterol (CAS: 37148-27-9) |
| • | Clenbuterol Hydrochloride (CAS: 21898-19-1) | • | Clenbuterol-D9 (CAS: 129138-58-5) | • | Clethodim (CAS: 99129-21-2) |
| • | Clevidipine (CAS: 167221-71-8) | • | Clevudine (CAS: 163252-36-6) | • | Clidinium bromide (CAS: 3485-62-9) |
| • | Climbazole (CAS: 38083-17-9) | • | Clinafloxacin (CAS: 105956-97-6) | • | Clinafloxacin Hydrochloride (CAS: 105956-99-8) |
| • | Clindamycin (CAS: 18323-44-9) | • | Clindamycin hydrochloride (CAS: 21462-39-5) | • | Clindamycin hydrochloride monohydrate (CAS: 58207-19-5) |
| • | Clindamycin palmitate (CAS: 36688-78-5) | • | Clindamycin palmitate hydrochloride (CAS: 25507-04-4) | • | Clindamycin phosphate (CAS: 24729-96-2) |
| • | Clinodiside A (CAS: 916347-31-4) | • | Clinofibrate (CAS: 30299-08-2) | • | Clinopodiside A (CAS: 142809-89-0) |
| • | Clioquinol (CAS: 130-26-7) | • | Clobenpropit 2HBr (CAS: 145231-45-4) | • | Clobenpropit dihydrobromide (CAS: 145231-35-2) |
| • | Clobetasol (CAS: 25122-41-2) | • | Clobetasol propionate (CAS: 25122-46-7) | • | Clobetasone 17-Propionate (CAS: 25122-56-9) |
| • | Clobetasone butyrate (CAS: 25122-57-0) | • | Clocortolone (CAS: 4828-27-7) | • | Clodinafop-Propargyl (CAS: 105512-06-9) |
| • | Clodronate disodium tetrahydrate (CAS: 88416-50-6) | • | Clodronic Acid (CAS: 10596-23-3) | • | Clodronic acid disodium salt (CAS: 22560-50-5) |
| • | Clofarabine (CAS: 123318-82-1) | • | Clofazimine (CAS: 2030-63-9) | • | Clofedanol (CAS: 791-35-5) |
| • | Clofenamic Acid (CAS: 4295-55-0) | • | Clofentezine (CAS: 74115-24-5) | • | Clofibrate (CAS: 637-07-0) |
| • | Clofibric acid (CAS: 882-09-7) | • | Clofop (CAS: 26129-32-8) | • | Clomazone (CAS: 81777-89-1) |
| • | Clomethiazole (CAS: 533-45-9) | • | Clomiphene (CAS: 911-45-5) | • | Clomiphene citrate (CAS: 50-41-9) |
| • | Clomipramine (CAS: 303-49-1) | • | Clomipramine hydrochloride (CAS: 17321-77-6) | • | Clonidine |
| • | Clonidine hydrochloride (CAS: 4205-91-8) | • | Clonixin (CAS: 17737-65-4) | • | Clopamide (CAS: 636-54-4) |
| • | Clopenthixol (CAS: 982-24-1) | • | Cloperastine fendizoate (CAS: 85187-37-7) | • | Cloperastine hydrochloride (CAS: 14984-68-0) |
| • | Clopidogrel (CAS: 113665-84-2) | • | Clopidogrel Hydrogen Sulfate (CAS: 13506-48-9) | • | Clopidogrel hydrogen sulfate (CAS: 120202-66-6) |
| • | Clopidogrelcarboxylic acid (CAS: 144457-28-3) | • | Clopidol (CAS: 2971-90-6) | • | Clopimozide |
| • | Cloprostenol (CAS: 40665-92-7) | • | Cloprostenol sodium salt (CAS: 55028-72-3) | • | Clopyralid (CAS: 1702-17-6) |
| • | Clopyralid (2-hydroxyethyl)ammonium (CAS: 57754-85-5) | • | Cloquintocet-mexyl (CAS: 99607-70-2) | • | Cloransulam-methyl (CAS: 147150-35-4) |
| • | Cloretazine (CAS: 173424-77-6) | • | Cloricromen (CAS: 68206-94-0) | • | Clorophene (CAS: 120-32-1) |