There are two isomers of propanol. If the isomer is not specified, it is more likely to refer to propan-1-ol.

• Propan-1-ol (or n-propanol) — CH₃CH₂CH₂OH
• Propan-2-ol (or isopropyl alcohol, or isopropanol) — (CH₃)₂CHOH

See also:

• Propanal (propionaldehyde) differs in spelling from propanol by a single letter and is a different molecule.
• Propranolol is a drug used for reducing blood pressure and hand tremors.

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