Potassium Sorbate has two CAS numbers - 24634-61-5; 590-00-1. Should these not be unique?

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    $\begingroup$ Related for FeOOH: chemistry.stackexchange.com/questions/40572/… $\endgroup$ Commented Sep 3, 2019 at 9:13
  • $\begingroup$ If the same goes for Potassium Sorbate as for FeOOH - Then can someone enlighten me towards the nature of the two CAS numbers: $\endgroup$ Commented Sep 3, 2019 at 10:13
  • $\begingroup$ Or rather let me rephrase - which is the the ‘boring’ laboratory version of the Potassium Salt and which is the unambiguous refencing of the preservative used in foodstuffs? $\endgroup$ Commented Sep 3, 2019 at 12:23
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    $\begingroup$ Please edit the question, instead of trying to seek clarification in the comments. $\endgroup$ Commented Sep 6, 2019 at 16:57


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