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Cats may have their own chemical ‘ID cards’: Scientists found 13 unusual fatty acids in urine that remain stable for at least 24 hours which can easily help identify individual cats

Summary by Times of India
A groundbreaking study reveals that cats employ specific fatty acids in their urine, which act as chemical identifiers for each feline. These branched-chain fatty acids leave a persistent scent trail, allowing cats to recall individual urine aromas long after they've faded. The findings imply that the kidneys may help store these scent molecules, offering new insights into how cats communicate and recognize one another within their social networ…

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Cat urine can reveal a lot more information than we think: Japanese, German and Spanish researchers have identified 13 special fatty acids that can serve as a kind of unique chemical “business card.” The ratio of these compounds varies from cat to cat, but remains relatively stable within the same animal.

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13 special fatty acids have been found in cat urine, which may act as unique chemical "personalities" to aid in odor recognition.

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Times of India broke the news in India on Monday, September 21, 2026.
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