1. A

    Unsolvable H-NMR flavour mystery Compound

    Dear all, I have an unknown ester with the chemical formula C9H10O2 that is used as a flavoring agent in candies. It exhibits the following H-NMR and C-NMR (Attached file: Unknown Ester NMR) Based on the NMR spectrum I believe the unknown is benzyl acetate , as the C-NMR and the first two...
  2. K

    Wax ester GC analysis problem

    Hello to everyone, I currently working on enzymatic wax ester synthesis. The problem I am facing is that wax ester standards, purchased from a very famous company, do not appear in GC. However, samples were analyzed with the same method in GC and seem to have wax esters (I take the same GC...