The chemical formula for Kapton (poly-oxydiphenylene-pyromellitimide) is [C₂₂H₁₀N₂O₅]_n.

This formula represents the repeating unit of the polymer.

Here's a breakdown:

* C₂₂H₁₀N₂O₅: This represents the chemical formula for one monomer unit of the polymer.

* n: This subscript indicates that the monomer unit repeats 'n' times to form the polymer chain.

While this is the simplified formula, it's important to remember that Kapton's structure is complex and involves a highly organized arrangement of these units in a specific configuration, contributing to its exceptional properties.