Chlorosulfuric acid is HSO3Cl. This tetrahedral molecule is an intermediate, chemically and conceptually, between SO2Cl2 and H2SO4. It is also known as chlorosulfonic acid.

The cyano derivative of acetic acid NC-CH2-COOH used in the synthesis of barbiturates and other compounds.

Coconut oil is extracted from the kernel or meat of matured coconut harvested from the coconut palm (Cocos nucifera).

Cinnamic acid has the formula C6H5CHCHCOOH and is a white crystalline acid, which is slightly soluble in water.

Crotonic acid, or trans-2-butenoic acid, is a short-chain unsaturated carboxylic acid, described by the formula CH3CH=CHCO2H.

Chromic acid generally refers to a collection of compounds generated by the acidification of solutions containing chromate and dichromate anions or the dissolving of chromium trioxide in sulfuric acid.