| Cannabinoid Receptor Antagonists | Compounds that inhibit or block the activity of CANNABINOID RECEPTORS. | 6 | 10 | Details |
| Cannabinoids and similars | Compounds having the cannabinoid function. | 24 | 197 | Details |
| Capillary Stabilizing Agents | Not Available | 8 | 15 | Details |
| Caproates | Derivatives of caproic acid. Included under this heading are a broad variety of acid fo... more | 4 | 21 | Details |
| Capsaicin and Similar Agents | Not Available | 2 | 16 | Details |
| Capsaicin, antagonists & inhibitors | Not Available | 0 | 0 | Details |
| Carbacephem and derivatives | Not Available | 0 | 0 | Details |
| Carbamates | Derivatives of carbamic acid, H2NC(=O)OH. Included under this heading are N-substituted... more | 38 | 137 | Details |
| Carbamic Acid Esters | Not Available | 5 | 7 | Details |
| Carbamide products | Not Available | 1 | 7 | Details |
| Carbamoyl Phosphate Synthetase 1 Activator | Not Available | 1 | 1 | Details |
| Carbamoyl Phosphate Synthetase 1 Activators | Not Available | 1 | 1 | Details |
| Carbanilides | Compounds consisting of two phenyl groups joined by a urea. Derivatives may be used as ... more | 2 | 3 | Details |
| Carbapenems | A group of beta-lactam antibiotics in which the sulfur atom in the thiazolidine ring of... more | 8 | 63 | Details |
| Carbazoles | Benzo-indoles similar to CARBOLINES which are pyrido-indoles. In plants, carbazoles are... more | 7 | 95 | Details |
| Carbocyclic nucleosides | Nucleoside analogues in which a methylene group has replaced the oxygen atom of the fur... more | 0 | 0 | Details |
| Carbodiimides | Compounds with the general formula RN=C=NR, where R is a hydrocarbyl group. | 2 | 7 | Details |
| Carbohydrates | The largest class of organic compounds, including STARCH; GLYCOGEN; CELLULOSE; POLYSACC... more | 543 | 1625 | Details |
| Carboline derivatives | Not Available | 0 | 0 | Details |
| Carbolines | A group of pyrido-indole compounds. Included are any points of fusion of pyridine with ... more | 3 | 9 | Details |
| Carbon | A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096... more | 2 | 0 | Details |
| Carbon Compounds, Inorganic | Inorganic compounds that contain carbon as an integral part of the molecule but are not... more | 18 | 44 | Details |
| Carbon Radioisotopes | Not Available | 18 | 43 | Details |
| Carbon-Carbon Lyases | Enzymes that catalyze the cleavage of a carbon-carbon bond by means other than hydrolys... more | 1 | 1 | Details |
| Carbon-Nitrogen Lyases | Enzymes that catalyze the cleavage of a carbon-nitrogen bond by means other than hydrol... more | 1 | 1 | Details |