I misremembered! It was 4-AcO-DMT not 5-MeO [1].
[1] https://www.cdph.ca.gov/Programs/OPA/Pages/NR25-024.aspx
[1] https://www.cdph.ca.gov/Programs/OPA/Pages/NR25-024.aspx
Of note the legal status in that state regulator’s article is misleading
4-Acetoxy-DET And 4-Acetoxy-DMT are not on any schedule, but could be subjected to the Analog Act, which itself has unresolved legal status per substance