C₅H₁₀ is the

molecular formula In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, ...

' of 13

hydrocarbon In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colourless and hydrophobic, and their odors are usually weak or ...

isomer In chemistry, isomers are molecules or polyatomic ions with identical molecular formulae – that is, same number of atoms of each element – but distinct arrangements of atoms in space. Isomerism is existence or possibility of isomers. Is ...

s (represented by their

CAS number A CAS Registry Number (also referred to as CAS RN or informally CAS Number) is a unique identification number assigned by the Chemical Abstracts Service (CAS), US to every chemical substance described in the open scientific literature. It inclu ...

s on the chart). They can be divided into

cycloalkanes In organic chemistry, the cycloalkanes (also called naphthenes, but distinct from naphthalene) are the monocyclic saturated hydrocarbons. In other words, a cycloalkane consists only of hydrogen and carbon atoms arranged in a structure containing ...

and

alkene In organic chemistry, an alkene is a hydrocarbon containing a carbon–carbon double bond. Alkene is often used as synonym of olefin, that is, any hydrocarbon containing one or more double bonds.H. Stephen Stoker (2015): General, Organic ...

Cycloalkanes

Cyclopentane Cyclopentane (also called C pentane) is a highly flammable alicyclic hydrocarbon with chemical formula C5H10 and CAS number 287-92-3, consisting of a ring of five carbon atoms each bonded with two hydrogen atoms above and below the plane. It occ ...

(CAS 287-92-3) * Methylcyclobutane (CAS 598-61-8) *

Cyclopropane Cyclopropane is the cycloalkane with the molecular formula (CH2)3, consisting of three methylene groups (CH2) linked to each other to form a ring. The small size of the ring creates substantial ring strain in the structure. Cyclopropane itself i ...

s ** Ethylcyclopropane (CAS 1191-96-4) ** 1,1-Dimethylcyclopropane (CAS 1630-94-0) ** (''R'',''R'')- 1,2-dimethylcyclopropane or (1''R''-''trans'')-1,2-dimethylcyclopropane (CAS 20520-64-3) ** (''S'',''S'')- 1,2-Dimethylcyclopropane or (1''S''-''trans'')-1,2-dimethylcyclopropane (CAS 38447-23-3) ** (''R'',''S'')-1,2-Dimethylcyclopropane or ''cis''-1,2-dimethylcyclopropane (CAS 930-18-7)

Alkenes

Pentene Pentenes are alkenes with the chemical formula . Each contains one double bond within its molecular structure. Six different compounds are in this class, differing from each other by whether the carbon atoms are attached linearly or in a branched ...

s ** 1-Pentene (CAS 109-67-1) ** ''cis''-2-Pentene (CAS 627-20-3) ** ''trans''-2-pentene (CAS 646-04-8) *

Butene Butene, also known as butylene, is an alkene with the formula . The word ''butene'' may refer to any of the individual compounds. They are colourless gases that are present in crude oil as a minor constituent in quantities that are too small for ...

s ** 2-Methyl-1-butene (CAS 563-46-2) ** 3-Methyl-1-butene (CAS 563-45-1) **

2-Methyl-2-butene 2-Methyl-2-butene, 2m2b, 2-methylbut-2-ene, also beta-isoamylene is an alkene hydrocarbon with the molecular formula C5H10. Used as a free radical scavenger in trichloromethane (chloroform) and dichloromethane (methylene chloride). John Snow, t ...

(CAS 513-35-9) {{MolFormIndex