Rubbing alcohol is usually isopropyl alcohol – typically manufactured in a chemical plant from petrochemicals (oil).
Unlike ethanol, it’s not a common fermentation product so you’d have a hard time designing an “organic” supply for it. Plant oils can theoretically be worked to produce the precursor chemicals, but that would require multiple industrial chemical steps. I imagine sulfuric acid cracking defeats the purpose of “organic” supply chains.
You could probably genetically engineer or selectively breed a bacteria to produce it through a modified fermentation pathway.
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