Instead of {{chem-stub}}, consider a more specific stub tag from the list below:

• {{analytical-chemistry-stub}} - analytical chemistry
• {{biochemistry-stub}} – biochemistry
• {{chem-process-stub}} – chemical processes
• {{chemist-stub}} – biographical articles about chemists
  • {{biochemist-stub}} – biochemists
• {{chemistry-journal-stub}} – chemistry journals
  • {{biochemistry-journal-stub}} – biochemistry journals
• {{chem-hist-stub}} - history of chemistry
• {{electrochem-stub}} - electrochemistry
• {{explosive-stub}} – explosives
• {{geochem-stub}} – geochemistry
• {{inorganic-compound-stub}} – inorganic compounds
• {{isotope-stub}} – isotopes
• {{material-stub}} – chemistry and properties of solids
  • {{alloy-stub}} – stubs concerning an alloy
  • {{polymer-stub}} – polymers and articles about polymer science
  • {{textile-stub}} – stubs concerning textiles
• {{medicinal-chem-stub}} - medicinal chemistry
• {{metal-stub}} - metals
• {{organic-chem-stub}} – organic chemistry
  • {{organic-compound-stub}} – organic compounds
    • {{alcohol-stub}} – alcohols
    • {{alkene-stub}} – alkenes
    • {{alkaloid-stub}} – alkaloids
    • {{amine-stub}} – amines
    • {{aromatic-stub}} – aromatic compounds
    • {{ester-stub}} – esters
    • {{heterocyclic-stub}} – heterocyclic compounds
    • {{hydrocarbon-stub}} – hydrocarbons
    • {{ketone-stub}} – ketones
    • {{organohalide-stub}} – organic halides
    • {{steroid-stub}} – steroids
• {{pharma-stub}} – pharmaceuticals
  • see Wikipedia:WikiProject Pharmacology/Templates#Stubs for pharmaceutical sub-categories
• {{physical-chemistry-stub}} – physical chemistry
• {{reaction-stub}} – chemical reactions
• {{stereochemistry-stub}} – stereochemistry
• {{theoretical-chem-stub}} – theoretical chemistry
  • {{quantum-chemistry-stub}} – quantum chemistry