Chemical substance
matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of and characterized by physical properties like density
LCZ696
lanthanum barium copper oxide
Japan wax
magnesium
contrast agent
mitotic inhibitor
PEG 400
pearl powder
impurity
polycrystalline silicon
air
nootropic
nucleophile
ketone bodies
participant
respiratory poison
carbon black
polymyxin B sulfate/trimethoprim
mineral
white tin
flavoring substance
fertilizer
drug
electrolytic Iron
binder
biocide
bromine
derivative
Substance of very high concern
ligand
chemical species
Congener
natural product
optical brightener
excipient
flame retardant
Halogenated ether
paste
Colloidal silica
non-coordinating anion
Tellurate
copal
plasticizer
stabilizer
electron donor
colourant
petroleum ether
cephalopod ink
vitamin B14
nanomaterial