23,142 samples completed from 42 states. Last updated Monday, July 27, 2026.
819363
From Seattle, Washington on July 8, 2026
Assumed to be 4-PrO-MET
Only 1 major substance detected:
- 4-propanoyloxy MET
Looks = white, powder, fine
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Major substances in graph:
Peak: 8.51 = 4-propanoyloxy MET
Method(s): GCMS
Record for Sample 819363 last updated July 17, 2026