
PGB Sciences supplies reference-standard research compounds to qualified researchers. The site states that every lot is tested twice by HPLC and that a COA is published for each production run. Ordering is currently paused while the company moves to a new warehouse.
PGB Sciences supplies reference-standard research compounds to qualified researchers. The site states that every lot is tested twice by HPLC and that a COA is published for each production run. Ordering is currently paused while the company moves to a new warehouse.
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