5carbon

5carbon is a term used in multiple contexts and does not designate a single, universally defined concept. In science, it most often refers to five-carbon units or compounds derived from five carbon atoms.

Within chemistry, five-carbon skeletons occur in several well-known classes. Linear pentane and its isomers (pentane, isopentane, neopentane) have the formula C5H12. Cyclopentane has C5H10. Many five-carbon substituents, such as the pentyl group, appear in larger molecules. Five-carbon sugars, known as pentoses, include ribose and deoxyribose, which form the backbone of RNA and DNA, respectively.

In biology, pentose sugars are central to genetics and metabolism. Pentoses participate in nucleotide structure and energy pathways; their stereochemistry and functionalization influence biological activity.

In branding or industry, "5carbon" may appear as a company, product name, or trademark related to carbon materials, software, or sustainability initiatives. Because it is not tied to a single entity, the exact meaning of "5carbon" depends on the context in which it is used.

See also: pentane, cyclopentane, pentose, ribose, deoxyribose.