Linked from
The 12 pages that link to Cetane number, each with the reason it gives.
Diesel fuelRelated: It quantifies the ignition delay that shapes diesel combustion.
DodecaneRelated: Dodecane is among the hydrocarbons studied as a model for diesel-fuel ignition.
HexadecaneRelated: Hexadecane defines the high-ignition-quality reference end of the cetane scale.
TetradecaneRelated: Tetradecane is used as a reference compound in cetane-number measurement.
Liquid fuelRelated: It indicates how a liquid fuel behaves in compression-ignition engines.