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‹ Certificates GHK-Cu Capsules Lot 1787

Lab report (Certificate of Analysis, COA)

GHK-Cu Capsules · 2.3mg/unit

Batch 1787 · tested October 6, 2026 (4 days ago) · released October 7, 2026 Discontinued variant

All tests passed

Batch
#1787 12 tests
Mass
2.3mg/unit
Issuing lab accreditation
Vanguard · ISO 17025:2017 / A2LA #6377.01

No tier shown — see the tests listed on the report

net peptide content 2.33 / 2.36 / 2.22 mg

Conformity: Caution — every reported unit passed on all 9 test rows · content spread 6.1% is in the caution band · QA approval corroborates: Vanguard Laboratory, Tori Johnson, Operations Director, 2026-10-06

Vanguard · issuing lab

Reports for this lot

  1. Vanguard Laboratory this report · tested October 6, 2026 · 9 results · QA approvalVanguard · issuing labAll tests passed

Test by test

9 results on the report · 3 rows computed from the per-unit values · 1 ISO 17025:2017-accredited lab · each test used up to 3 vials from this lot (rows are not added together) · every row names the chapter or house rule it follows

✓IdentityPass
1 of 1 pass · 1 unit · USP <621> (procedural chapter)
–Purity consistency between unitsNot on this report
no purity result printed on this lab report
✓Net peptide content (assay)Within limits
avg 2.30 mg · 3 units · USP <621> (procedural chapter)
!Content consistency between unitsCaution
3 units: 2.33 / 2.36 / 2.22 mg · spread 0.14 mg, 6.1% of the mean · house check · caution past 5%, outside past 10% · USP <905> is the compendial reference for between-unit uniformity (10 units; not claimable on 3)
✓Heavy metalsWithin limits
1 of 5 elements detected · 1 unit · dose-scaled limits derived from USP <232> (limits chapter)

✓Residual solventsWithin limits
all non-detect · 1 unit · USP <467> (procedural chapter)
✓Trifluoroacetic acidWithin limits
all non-detect · 1 unit · house limit · ion chromatography, the lab's method; no compendial chapter for the method run · limit <0.10% (the lab's)
✓Container closurePass
1 of 1 pass · 1 unit · USP <1207> (informational chapter (1000-series))
–SolubilityNot on this lot's panel
not on this report · this batch was tested to our earlier standard; newer batches get all 15 tests
✓MicrobialPass
1 of 1 pass · 1 unit · no chapter named in the record; a screen
✓Other · Adulterant screenWithin limits
all non-detect · 1 unit · no chapter named in the record; a screen
✓Other · DissolutionPass
1 of 1 pass · 1 unit · no chapter named in the record; a screen
!ConformityCaution
every reported unit passed on all 9 test rows · content spread 6.1% is in the caution band · QA approval corroborates: Vanguard Laboratory, Tori Johnson, Operations Director, 2026-10-06 · house check · agreement across all tests, unit to unit; QA approval corroborates

A chapter number names the method or limit a result follows; it does not describe the product. Chapters below 1000 are procedures or limits; 1000-series chapters are informational. USP <905> is the compendial test for between-unit uniformity: it assays 10 units, so a 3-unit certificate cannot yield its acceptance value — the content row is a house check with <905> named as the reference only.

Tested by Vanguard Laboratory · Released October 7, 2026 · Verify: go.peptidology.co/0U0WAc

Permanent URL: https://peptidology.co/coa/ghk-cu-capsules-lot-1787/

For research use only. Not intended for diagnostic or therapeutic use.

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