for the *-Chloromethcathinone portion, 4-CMC is the closest match. 3-CMC and 4-CMC have the same mass spectrum, but this sample's retention time is closest to 4-CMC.
Jun 22 2022: 4'-Chloropropiophenone (CAS #6285-05-8) was suggested as a potential identification for this substance. (Thanks, A.) A second chemist has concurred (Thanks, Y.). A certified reference standard is available for 4'-Chloropropiophenone.
March 13 2022: The unidentified substance was initially reported as IMMA, but with a standard from CaymanChem we have determined that this is now Unidentified. We do not know what the second chemical in this sample is.
Mar 7 2022: This sample contains *-Chloromethcathinone, a chemical that has multiple possible ring-positional isomers. The lab can't be certain which isomer(s) is present in this sample at this time but note that 4-CMC is the best match.
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Sender comments they're ''Sending because it doesn't pass reagent tests as expected.''
March 13 2022: The unidentified substance was initially reported as IMMA, but with a standard from CaymanChem we have determined that this is now Unidentified. We do not know what the second chemical in this sample is.
Mar 7 2022: This sample contains *-Chloromethcathinone, a chemical that has multiple possible ring-positional isomers. The lab can't be certain which isomer(s) is present in this sample at this time but note that 4-CMC is the best match.