Operating identity
Prime Analytical Laboratories, LLC lists 4055 Nelson Ave, Concord, California. Founder and CEO Juan Muñoz reports more than 30 years in biopharma and contract testing.
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Testing laboratory · Reviewed 2026-09-03
Prime Analytical Laboratories review
Prime Analytical Laboratories, LLC · Concord, California, USA
- Operational read
- Accredited analytical laboratory
- Operating history
- Company year not published; founder reports 30+ years' experience
- Accreditation
- ISO/IEC 17025 — relevant HPLC scope
Legitimacy review
Is Prime Analytical Laboratories legit?
Prime has strong evidence for both institutional legitimacy and relevant accredited chemistry work. Its current accredited scope still needs to be separated from additional advertised services such as sterility, and the stale certificate on its own site should be corrected.
Operating history and strongest evidence
Named founder, physical laboratory, current PJLA scope containing relevant HPLC methods, public peptide services, and report-specific verification.
Accreditation scope
PJLA accreditation 119492, certificate L25-238, is valid through May 31, 2027 and includes HPLC identity, purity, and assay for raw materials and finished products, plus enumerated microbiology and USP <85> endotoxin.
Methods and intake
Prime separately advertises peptide identity, net content, purity, acid residue, Karl Fischer water, metals, microbial limits, sterility, and endotoxin. Pricing and turnaround are quote-based.
Public service record
Named leadership and public report verification provide accountability, but a substantial independent customer-review corpus did not surface.
Important limits
The official site still serves an expired certificate, and advertised sterility is not shown in the reviewed active scope. Current accreditor records control over a stale locally hosted certificate; each advertised service must still be mapped to scope.
COA verification
Can I check a Prime Analytical Laboratories COA?
Submit the exact printed report number to Prime's public PALab verifier and compare the returned official PDF.
- Official destination
- Portal search that returns a direct official PDF for the submitted report number.
- What you need
- Report number + PAL sample number
- Exact-link rule
- Submit the report number exactly as printed. Use the official PDF URL returned by Prime; never construct or expose an opaque storage path manually.
- Stored identifiers complete?
- Unresolved
- Record-specific links?
- Unresolved
- Identifier copyable?
- Unresolved
Identifiers on the certificate
- Report numberThe certificate header field labeled REPORT NUMBER; formats observed include QU-#### and other issued filename-style report IDs.
- PAL sample numberThe SAMPLE IDENTIFICATION block and results table; use it as a comparison field, not the portal lookup key.
Result handling
How each verification state is reported
Exact match
Use only when the official destination returns the same identifier and the material certificate fields agree.
No match
Use only after a functioning official lookup explicitly returns no record for the submitted identifier.
Conflict
Use when the official destination resolves the identifier but returns a different report, product, batch, or other material identity field.
Portal unavailable
CAPTCHA, login, timeout, rate limit, outage, or an unusable response remains portal unavailable, not an invalid certificate.
Unsupported lab
Prime is supported by a direct verifier; use unsupported only for a document that cannot be attributed to Prime or lacks a usable report number.
Unresolved
Use when the issuer identity, required identifier, or official workflow cannot be established from the available evidence.
Certificate structure
Multi-page and multi-panel reports
Multi-page
Retain the complete official PDF returned by Prime and compare every page with the vendor copy; observed peptide reports are commonly one page.
Multi-panel
Preserve each requested analysis separately. A purity-and-content-only Prime report does not imply identity, sterility, endotoxin, or heavy-metal testing.
Evidence boundaries
What the record does—and does not—connect
- Certificate identity
- A certificate file, its printed identifiers, and its retained fingerprint identify that document only.
- Issuer verification
- An exact Prime response verifies that Prime published the returned report file for that report number.
- Tested sample
- The report describes only the sample identified on the certificate; it does not establish how the sample was selected.
- Product matching
- Match a report to a product only when the compound, strength or formulation, and lot or batch agree exactly.
- Physical-vial custody
- Physical-vial custody is unknown unless a documented chain connects the tested sample to the specific vial in hand.
Review receipts
Records and discrepancies checked
Representative records
- QU-1007Prime report for Tirzepatide 10 mg, PAL sample 008060; the retained vendor profile describes 100.00% HPLC purity and 11.68 mg net peptide content.
- RP214-09Mar26-2Prime's official portal returned an exact PDF, but the supplied Pepsynth vendor copy differed materially from the official record and remains a conflict.
Concrete discrepancies
- The fixed checker lab registry supports Prime through direct_api but contains zero Prime certificate identities, so its current public UI cannot demonstrate the supported workflow.
- A separate Pepsynth audit found 18 exact matches among 19 supplied Prime reports and one material conflict for RP214-09Mar26-2.
- The older portal matrix marked Prime unresolved, while current code and an August 31 receipt demonstrate a functioning public report-number workflow.
- The current official site lists phone (925) 235-1470, while the retained Prime fingerprint describes (925) 235-1242 on observed certificate footers; treat this as metadata drift requiring dated report review, not automatic invalidation.
- The fixed registry shortens the official name to Prime Analytical; the laboratory's site identifies the entity as Prime Analytical Laboratories, LLC.
Public search record
What current search results cover
Current results show Prime's official site and verifier, PeptidePrices vendor pages, community discussions, and aggregator lab tables. A focused independent lab review remains less crowded than major-lab queries.
Sources
Evidence used for this review
- Prime Analytical Laboratoriesofficial
- Prime Analytical Verify Certificate of Analysisofficial_portal
- Prime Analytical teamofficial
- Prime peptide testingofficial_method
- PJLA Prime certificateaccreditor
Reusable integration rule: Extract the report number and PAL sample number, submit the exact report number, retain the official PDF, and compare compound, strength, sample number, results, and filename before marking a match.
Check the document