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‹ Certificates Reconstitution Solution, 0.9% Benzyl Alcohol - 30mL Lot 1670

Lab report (Certificate of Analysis, COA)

Reconstitution Solution, 0.9% Benzyl Alcohol – 30mL

Batch 1670 · tested February 15, 2026 (216 days ago) · released September 8, 2026

All tests passed

Batch
#1670 3 tests
Issuing lab accreditation
Vanguard · ISO 17025:2017 / A2LA #6377.01.01

No tier shown — see the tests listed on the report

Conformity: Not assessable — every reported unit passed on all 2 test rows · QA approval corroborates: Vanguard Laboratory, Tori Johnson, 2026-02-15

Vanguard · issuing lab

Notes

Content audit 9 Sep 2026: size all sizes → #42219 10ml. Certificate prints: prints compound "Bacteriostatic Water", lot "1670", lab id "V260130-10 004", content 0.82% (Benzyl Alcohol Content result, no
Content audit 9 Sep 2026, second pass: size 42219 → all sizes. Back to every size. The certificate tests a 10 mL vial of lot 1670 and staff filed it under the 30 mL product, whose only buyable size is 30 mL; pinning it to the hidden 10 mL size left the 30 mL size with no certificate. Whether the 30 mL bottle is filled from lot 1670 is the owner's call.

Reports for this lot

  1. Vanguard Laboratory second report · tested March 10, 2026 · 1 result · QA approvalVanguard · issuing labAll tests passed
  2. Vanguard Laboratory this report · tested February 15, 2026 · 2 results · QA approvalVanguard · issuing labAll tests passed

Test by test

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

Purity consistency between unitsNot on this report
no purity result printed on this lab report
Concentration (assay) · Benzyl AlcoholWithin limits
0.82% · 1 unit · USP <621> (procedural chapter)
Content consistency between unitsSingle measurement
1 unit printed (0.82 %) · a between-unit spread needs two or more measured units
Residual solventsNot on this lot's panel
not on this report · this batch was tested to our earlier standard; newer batches get all 15 tests
TFA residualNot on this lot's panel
not on this report · this batch was tested to our earlier standard; newer batches get all 15 tests
Container closureNot on this lot's panel
not on this report · this batch was tested to our earlier standard; newer batches get all 15 tests
SolubilityNot on this lot's panel
not on this report · this batch was tested to our earlier standard; newer batches get all 15 tests
Other · pHWithin limits
6.70 · 1 unit · no chapter named in the record; a screen
ConformityNot assessable
every reported unit passed on all 2 test rows · QA approval corroborates: Vanguard Laboratory, Tori Johnson, 2026-02-15 · 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 September 8, 2026 · Verify: go.peptidology.co/7okzFK

Permanent URL: https://peptidology.co/coa/reconstitution-solution-0-9-benzyl-alcohol-30ml-2/

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

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