Retatrutide

Lot 2 · tested by Janoshik Analytical · 2026-02-19 · sold by Qihang Peptide

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99.81%

Purity

32.44 mg

Net peptide

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Mass spec

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Endotoxin

Tests reported

HPLC purity

99.814%

Mass spec / LC-MS

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FTIR identity

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Endotoxin (LAL)

—

Sterility

—

Heavy metals

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Tested by

Janoshik Analytical

909 COAs indexed · std dev 2.09% · CZ

Same lot number on other vendors

The lot number 2 also appears on 2 COAs from other vendors. Same-lot-across-multiple-vendors is a cross-vendor signal we flag on the Forgery Map.

Vendor	Lab	Peptide	Purity	Provenance
YH Peptide	Janoshik Analytical	Tirzepatide	99.90%	Confirmed by Janoshik Analytical
YH Peptide	Janoshik Analytical	Retatrutide	99.81%	Confirmed by Janoshik Analytical

Source

We discovered this COA on the vendor's public site.

First indexed 2026-05-22 · extracted 2026-05-24

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Label history

No archived listing available for this COA's test date.

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