What was the tested purity of lot OS-2026-2984?

Lot OS-2026-2984 (Retatrutide) tested at 99.764% HPLC purity from Optima Supply, based on 1 Certificate of Analysis indexed by Disclosed Labs.

Which lab tested lot OS-2026-2984?

Lot OS-2026-2984 was tested by Janoshik Analytical based on COA data in the Disclosed Labs corpus.

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Disclosed Labs

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OS-2026-2984

Found 1 COA referencing this lot from 1 vendor.

Tests reported

Aggregated across 1 COA for this batch

HPLC purity

99.764%

Net peptide content

64.99 mg

Mass spec / LC-MS

—

FTIR identity

—

HPLC identity (RT match)

Reported

Endotoxin (LAL)

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Sterility (USP <71>)

—

Heavy metals

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Microbial

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Tested by: Janoshik Analytical

Vendor	Peptide	Lab	Purity	Tests	Tested
Optima Supply	Retatrutide	Janoshik Analytical	99.76%		2026-04-24	Detail →Source

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Retatrutide Lot OS-2026-2984 (Optima Supply) — Test Results & COA | Disclosed Labs