Chemical Name Calculator

Convert between chemical names and formulas using IUPAC nomenclature rules and systematic naming conventions.

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Chemical Nomenclature

IUPAC Rules

  • • Identify the longest carbon chain
  • • Number carbons from end nearest substituent
  • • Name substituents as prefixes
  • • Use appropriate suffixes for functional groups

Common Names

  • • Water: H₂O
  • • Salt: NaCl
  • • Sugar: C₆H₁₂O₆
  • • Alcohol: C₂H₅OH
  • • Vinegar: CH₃COOH

Functional Groups

Hydrocarbons

  • • Alkanes: -ane
  • • Alkenes: -ene
  • • Alkynes: -yne
  • • Aromatics: benzene ring

Oxygen Compounds

  • • Alcohols: -ol
  • • Aldehydes: -al
  • • Ketones: -one
  • • Carboxylic acids: -oic acid

Nitrogen Compounds

  • • Amines: -amine
  • • Amides: -amide
  • • Nitriles: -nitrile
  • • Nitro compounds: nitro-

Naming Examples

Ionic Compounds

  • • NaCl: Sodium chloride
  • • CaCO₃: Calcium carbonate
  • • Fe₂O₃: Iron(III) oxide
  • • Al₂(SO₄)₃: Aluminum sulfate

Organic Compounds

  • • CH₄: Methane
  • • C₂H₅OH: Ethanol
  • • CH₃COOH: Acetic acid
  • • C₆H₆: Benzene