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Laboratory Analysis
Independent Third-Party Verification

Lab Test Reports

Every batch submitted to PeptideVerify — an independent UK analytical lab — for HPLC purity analysis and Mass Spectrometry identity confirmation.

Verified by PeptideVerify· peptideverify.co.uk
99%

Reta Vial

99.4%

MOTS-C Vial

99%

Tesamorelin Vial

99%

SLU-PP-332 Vial

99%

GHK-CU Vial

99
Reta Vial

SINGLE PEPTIDE

Reta Vial

20mg

HPLC Purity

99%

HPLC · Single Peak (PPI)

MS Identity

Confirmed

Electrospray ESI+

Molecular Weight

Expected 4731.4 Da

Detected 4730.8 Da

Certificate ID

PV-7CB661-IHCB-26

Issued 10 Mar 2026

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Instrument

LCMS Line 1

Method

HPLC-MS / ESI+

Detection

215 nm (±4 nm)

Main Peak

9.931 min

Sample Form

Lyophilized powder

99.4
MOTS-C Vial

SINGLE PEPTIDE

MOTS-C Vial

40mg

HPLC Purity

99.4%

HPLC · Single Peak (PPI)

MS Identity

Confirmed

Electrospray ESI+

Molecular Weight

Expected 2174.6 Da

Detected 2173.9 Da

Certificate ID

PV-7CB661-IHCB-CA

Issued 10 Mar 2026

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Instrument

LCMS Line 1

Method

HPLC-MS / ESI+

Detection

215 nm (±4 nm)

Main Peak

9.099 min

Sample Form

Lyophilized powder

99
Tesamorelin Vial

SINGLE PEPTIDE

Tesamorelin Vial

10mg

HPLC Purity

99%

HPLC · Single Peak (PPI)

MS Identity

Confirmed

Electrospray ESI+

Molecular Weight

Expected 5135.9 Da

Detected 5135.0 Da

Certificate ID

PV-88B50C-BXAD-88

Issued 23 Mar 2026

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Instrument

LCMS Line 1

Method

HPLC-MS / ESI+

Detection

215 nm (±4 nm)

Main Peak

6.229 min

Sample Form

Lyophilized powder

99
SLU-PP-332 Vial

SINGLE PEPTIDE

SLU-PP-332 Vial

5mg

HPLC Purity

99%

HPLC · Area% × PPI

MS Identity

Confirmed

Electrospray ESI+

Molecular Weight

Expected 290.3 Da

Detected 290.1 Da

Certificate ID

PV-88B50C-BXAD-71

Issued 23 Mar 2026

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Instrument

LCMS Line 1

Method

HPLC-MS / ESI+

Detection

215 nm (±4 nm)

Main Peak

2.699 min

Sample Form

Lyophilized powder

99
GHK-CU Vial

SINGLE PEPTIDE

GHK-CU Vial

100mg

HPLC Purity

99%

HPLC · Area% × PPI

MS Identity

Confirmed

Electrospray ESI+

Molecular Weight

Expected 341.4 Da

Detected 401.0 Da

GHK-Cu binds Cu²⁺ in solution — detected MW reflects the copper-bound species, consistent with verified GHK-CU.

Certificate ID

PV-7CB661-IHCB-31

Issued 09 Mar 2026

Verify

Instrument

LCMS Line 1

Method

HPLC-MS / ESI+

Detection

215 nm (±4 nm)

Main Peak

5.685 min

Sample Form

Lyophilized powder

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HPLC Laboratory Analysis
Uncompromising Quality

The 99%+ Standard

Purity is not just a metric — it is the foundation of reliable research. We guarantee a minimum of 99% purity across our entire peptide range. Our rigorous quality control processes ensure that you receive compounds free from contaminants, degradation, or synthesis errors.

Janoshik TestedEach batch independently tested by Janoshik Analytical for purity, identity, and quality.
UK Lab TestedAdditional UK-based third-party testing confirms quality, purity levels, and consistency.
Combined AnalysisHPLC and Mass Spectrometry used to verify peptide purity, structure, and composition.