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OpenCOA now covers more than New York. Search lab results from Connecticut and Massachusetts, with more states on the way.

Cannabis Lab Data, Decoded

Every legal cannabis product we track is lab tested. We make those results searchable, comparable, and easy to understand.

Try searching: License number "OCM-", Lot or Batch number, or a product name

67,497
Verified COAs
678
Licensed Producers
37
Cannabinoids Tracked

The Flower Terpene Fingerprint

These eight aromatic compounds are the ones we most often measure in verified flower. The bars show the average amount found across every test. It's the shape you'd smell before you'd ever read it.

β-Caryophyllene peppery
0.43%
Limonene citrus
0.41%
β-Myrcene earthy
0.33%
Linalool floral
0.18%
α-Humulene hoppy
0.16%
β-Pinene pine
0.09%
α-Pinene pine
0.09%
α-Terpineol lilac
0.05%

Based on 22,637 verified flower tests. Average detected concentration, by weight.

Help build the database

Every COA someone shares makes their state clearer. Here's where each state stands.

678 of 700 licensed producers covered 96.9%

Next milestone: 700 producers (of 26,036 total New York licenses)

We've detected 3,274 more New York COAs. We're confirming them now.

Show breakdown
Cultivators 181 / 539
Processors 193 / 565
Microbusiness 128 / 329

Connecticut

3,182

verified COAs

Matched to official Connecticut license records.

We've detected 352 Connecticut COAs. We're confirming them now.

Massachusetts

14,440

verified COAs

And growing.

We've detected 5,242 Massachusetts COAs. We're confirming them now.

California

We're just starting to collect California results.

Got a COA from a dispensary? Your state grows when you add it.

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