Самое длинное официальное слово в английском языке имеет 1,913 букв и является элементом к химической формуле C1289H2051N343O375S8:

Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminyl
leucyllysylgl
utamylarginyllysyglutamylgycylalanylphenylalanylvalylprolylphenylalanylvalylthre
onylleucylgl
ycylaspartylprolylglycyllisoleucylglutamylglutaminylserylleucyllysylisoleucylasp
artylthreonylleu
cylisoleucylglutamylalanylglycylalanylaspartylalanylleucylglutamylleucylglycylis
oleucylprolylph
enylalanylserylaspartylprolylleucylalanylaspartylglycylprolylthreonylisoleucylgl
utaminylaspara
ginylalanylthreonylleucylarginylalanylphenylalanylalanylalanylglycylvalylthreony
lprolylalanylgl
utaminylcysteinylphenylalanylglutamylmethionylleucylalanylleucylisoleucylarginyl
glutaminyllys
ylhistidylprolylthreonylisoleucylprolylisoleucylglycylleucylleucylmethionyltyros
ylalanlylasparagi
nylleucylvalylphenylalanylasparaginyllysylglycylisoleucylaspartylglutamylphenyla
lanyltyrosylal
anylglutaminylcysteinylglutamyllysylvalylglycylvalylaspartylsrylvalylleucylvalyl
alanylaspartylv
alylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarginylglutaminyla
lanylalanylleu
cylarginylhistidylasparaginylvalylalanylprolylisoleucylphenylalanylisoleucylcyst
einylprolylprolyl
aspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalan
ylseryltyrosylg
lycylarginylglycyltyrosylthreonyltyrosylleucylleucylserylarginylalanylglycylvaly
lthreonylglycylal
anylglutamylasparaginylarginylalanylalanylleucylleucyllysylglutamyltyrosylaspara
ginylalanylal
anylprolylprolylleucylglutaminylglycylphenylalanylglysylisoleucylserylalanylprol
ylaspartylgluta
minylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylalanyl
isoleucylserylgl
ycylserylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglutaminylhistidylas
paraginylisoleuc
ylglutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylal
anylvalylgluta
minylprolylmethionyllysylalanylalanylthreonylarginylserine