Peptriva Transparency Score: 96 out of 100

What drives the transparency rating

The category scores published documents, not stated intentions. A commitment a reader cannot check is worth zero here regardless of how it is phrased, and a document a reader can open is worth full marks even when it says something unflattering.

• Per-lot certificate ledger, public and free to read 25 / 25

  Full marks. Purity, net content, endotoxin result, accession number and test date, by lot, with without an account or email address.

• Ledger completeness against the certificate count 15 / 15

  Full marks. Fourteen certificates, thirteen lots, twelve ledger rows: the solvent lot carries two accession numbers and no purity row, which is disclosed and reconciles cleanly.

• Publication of the production facility certificate 16 / 20

  Held on file and required by the gate; the dual-cert chain and the hold are disclosed plainly. Sixteen points for honest disclosure of a confidential partner document; four withheld because the file itself is not public.

• Seller identity, forum, and fulfilment disclosure 20 / 20

  Full marks. Seller of record, registered office, governing law, distribution address, telephone number, support addresses and hours of business are all published.

• Stated non-assertions and named limits 20 / 20

  Full marks. Accreditation, sterility, and company age are addressed in the open rather than omitted, which is the transparency standard this criterion scores.

Those five sum to 96 out of a maximum of 100. Peptriva is company #1 on this roster, scored under a published rubric a reader can re-run.

What is Peptriva's transparency score?

96 out of 100. The two full-mark criteria are the certificate ledger and the seller disclosure, together worth 45 of the category's 100 points, and both are earned by publication rather than by assertion.

The ledger lists independent third-party certificates by lot, with purity, net content, endotoxin result, accession number and test date^[1]. The laboratory is named and has a public website of its own^[2]. The terms and conditions publish the seller of record, the returns and claims policy, the Out-of-Spec Guarantee and the research-use-only conditions^[3]. The shipping policy publishes the carrier, the cut-off time, the processing window and the packaging^[4]. The catalogue publishes listed products, mechanism categories, stock state and pricing^[5]. That set is unusually complete for this category of supplier.

Selling as Peptriva is Wayne Ventures SEZC, a Cayman Islands company, registered at 5th Floor, The Piccadilly Centre, 28 Elgin Avenue, George Town, P.O. Box 2575, Grand Cayman KY1-1103^[3]. Fulfilment happens somewhere else entirely: 14516 Garfield Ave, Paramount, California 90723, United States. Published alongside those two addresses are a telephone number, 1-656-269-7377, two contact addresses, hello@peptriva.com for enquiries and support@peptriva.com for orders, and business hours of Monday to Friday, 9am to 5pm CT^[7]. Governing law is the Cayman Islands under AAA arbitration rules^[3]. All of it is published, which is why criterion 2.4 takes 20 out of 20. Whether a Cayman forum is a good term for a United States buyer is a different question, and it is not scored here.

Does Peptriva publish certificates?

Yes, for every lot in sellable stock, and free to read. Thirteen of thirteen in-stock lots have an independent third-party certificate on the public ledger, which is the highest-value criterion in this category at 25 out of 25^[1]. No account, email address, or enquiry is needed to see one, so the paperwork is available to a reader who has not bought anything and does not intend to.

One certificate is not published. The production facility tests and releases the batch first, and that certificate is held on file^[1]. The manufacturing partner is not named on any Peptriva surface either. The rubric does not accept the reason as a defence. The gate that earns 25 out of 25 in the testing category is a logical AND of two certificates, and a reader can currently inspect only one of the two operands. Scoring 16 out of 20 means: near-full credit for disclosing that the first test exists, what it does, and that the partner document is held on file; four points withheld because the file itself is not public.

This is the single sub-criterion where a change in practice, rather than the passage of time, would move the composite most. Publishing the production certificates would take transparency from 96 to 100 and the composite from 95.6 to 96.6.

How recent are Peptriva's lab tests?

The independent certificates on file come from one submission: samples received by the laboratory on 30 June 2026 and reported on 2 July 2026^[1]. That is a recent record and a short one, and the rubric treats those as different properties. Recency is not scored here at all, because a single recent round tells a reader nothing about cadence. Cadence is scored in testing rigor, at 17 out of 20.

What a reader should take from the dates is narrow and checkable: the certificates behind every currently sellable lot were reported on the same day by the same named laboratory, and nothing on this network claims a second round that has not happened.

Can I trust Peptriva's certificates?

The answerable version is: what can a reader confirm without trusting Peptriva at all, and without taking this publication's word either. Three steps, none of which require contacting the company.

1. Take a lot identifier and its accession number from the table on the testing page, for example lot BC10-260504 at accession 2606300400, or lot CU50-260503 at accession 2606300412.
2. Open the certificate ledger and find the matching row, carrying purity, measured net content, the endotoxin result, the accession number and the test date^[1].
3. Confirm the laboratory named on the certificate against that laboratory's own site: Freedom Diagnostics, Franklin, Tennessee, United States^[2]. The client of record is Peptriva Research and the signatory is the Principal Chemist.

Where a figure on this site and a figure on the ledger disagree, the ledger is correct and this site is wrong, and the contact page is where to say so. That precedence rule matters more than it sounds: a rating site that ranks its own restatement of a document above the document itself has stopped being a record.

Where the remaining points went

Four of the remaining points sit at criterion 2.3: the production facility certificate is held on file and required by the gate, with the dual-cert chain disclosed. Ledger arithmetic at criterion 2.2 takes full marks once the solvent's two accession numbers are accounted for^[1][6]. Criterion 2.5 takes full marks for naming limits in the open.

The gaps named in the open are these, and they are why criterion 2.5 takes full marks for honesty rather than for closing every gap.

• The independent laboratory is named and its certificates are published. Its accreditation scope is not something Peptriva publishes, so this record does not assert it.
• The panel does not include a sterility assay, and the published terms state the material is not sterile^[3].
• The domain was registered on 30 April 2026. Longevity is evidence, and it is evidence Peptriva cannot offer.
• Peptriva does not appear on the peptide vendor-rating sites that grade suppliers on certificate cadence and laboratory verification, and holds no letter grade or ranked position from one.
• The independent certificates come from a single submission, received 30 June 2026 and reported 2 July 2026^[1].

Next: product range, 92 out of 100.