21,027 samples completed from 42 states. Last updated Wednesday, April 29, 2026.
812966
From Grand Rapids, Michigan on July 23, 2025
Assumed to be heroin
Only 1 major substance detected:
- N-propionitrile chlorphine
Looks = white, unknown
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Major substances in graph:
Peak: 19.75 = N-propionitrile chlorphine
Method(s): GCMS
Record for Sample 812966 last updated August 19, 2025