What was the tested purity of lot 2?

Lot 2 (Retatrutide) tested at 99.814% HPLC purity from Qihang Peptide, based on 7 Certificates of Analysis indexed by Disclosed Labs.

Which lab tested lot 2?

Lot 2 was tested by Janoshik Analytical based on COA data in the Disclosed Labs corpus.

Does lot 2 appear on multiple vendors?

Yes — lot 2 appears across 2 vendors in the Disclosed Labs corpus, which may indicate a reseller relationship or a recycled COA. The HPLC purity range across these COAs is 99.74%–99.90%.

Forgery Map / Lot lookup

Lot lookup

2

Cross-vendor collision detected

Lot 2 appears on 2 different vendors — either a reseller relationship or a recycled COA. Compare the underlying COAs below.

Purity range: 99.74% – 99.90%Labs: 1 distinct

Tests reported

Aggregated across 7 COAs for this batch

HPLC purity

99.814%

Net peptide content

32.44 mg

Mass spec / LC-MS

—

FTIR identity

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Vendor	Peptide	Lab	Purity	Tested
Qihang Peptide	Retatrutide	Janoshik Analytical	99.81%	2026-02-19	Detail →Source
YH Peptide	Retatrutide	Janoshik Analytical	99.81%	2026-02-19	Detail →Source
Qihang Peptide

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