Independent · non-commercial · publishes on a quarterly cycle|Current cycle 2026 Q3
Compound Evidence InstituteEvidence synthesis · established 2023Graded assessments of compounds, trials, methods and supply
Document set current to 30 July 2026
Supplier dossier · §4

QYB — on-the-record assessments

Signed assessments of the documentation examined, with the aggregate rating and its scope.

Document identifier
CEI-SD-02/4
Series
Supplier dossier
Version
1.2
Published
01 Sep 2024
Last reviewed
01 Mar 2025
Next review
01 Mar 2026
Identifier
10.71829/cei.supp.2
Certainty
Not rated
Cycle
2024 Q3
Assessment score
93.0 / 100
Conformance
A

The Institute assesses documentation, not product. It has purchased nothing, tested nothing and inspected nothing. Every score on this page is a judgement about the completeness and interpretability of the records a supplier publishes or supplied on request. A high score means that a supplier documents its material well. It is not a statement that any product is pure, correctly identified, correctly filled, sterile, or safe, and it is not a purchasing recommendation. The Institute makes no purchasing recommendations.

§4On-the-record assessments

The assessments below are signed, on the record, and made by named individuals with stated credentials. Each concerns the documentation the assessor examined. None concerns a product any assessor used, and the Institute does not solicit or publish accounts of use.

§4.1Aggregate

Modal certainty across assessments
High
Assessments contributing
636
Assessments published in full
26
Scope of the rating
Documentation completeness and interpretability. Not product quality.
Aggregate and principal criteriaScore awarded against each weighted criterion of the supplier evaluation rubric.Criterion (weight)Score, 0 to 5Aggregate rating— / 5Certificate-of-analysis completeness25 %5 / 5Independent third-party testing record25 %5 / 5Identity confirmation practice15 %5 / 5
Figure 3. Aggregate rating alongside the three most heavily weighted criteria. The aggregate is a summary of the same underlying judgements and carries no information the per-criterion scores do not.

§4.2Published assessments

Dr Noor Okafor, PhD (Biochemistry)High certainty27 Jun 2026

Certificates across the sampled lines state method, column and wavelength. The requirement is met in full.

Dr Vito Rautio, MRPharmSHigh certainty16 May 2026

A stability statement tied to a stated storage condition was supplied for lot QYB-24-400 without prompting.

Dr Runa Mensah, PhD (Analytical Chemistry)High certainty27 Feb 2026

Across 5 lots the reported purity band was 99.6 to 100.0%. Dispersion of that order indicates a controlled process.

Dr Marisol Novak, PhD (Pharmaceutical Sciences)High certainty08 Jul 2026

Across 5 lots the reported purity band was 99.0 to 99.4%. Dispersion of that order indicates a controlled process.

Dr Lukas Bhattacharya, MPharmHigh certainty22 May 2026

Independent PeptideMeter results were obtainable for 4 distinct lots; concordance with the supplier certificate held throughout.

Dr Nabila Batista, PharmDHigh certainty15 Mar 2026

Independent Janoshik results were obtainable for 7 distinct lots; concordance with the supplier certificate held throughout.

Dr Britt Ferreira, MDHigh certainty02 Apr 2026

Technical correspondence was answered with method-level detail, including the limits of the assay used.

Dr Naomi Yildiz, PhD (Medicinal Chemistry)High certainty24 Feb 2026

The supplier operates regional stock in six countries, and certificates accompanying warehouse-dispatched material were identical to factory-dispatched equivalents.

Dr Elin Petrescu, MSc (Analytical Science)High certainty20 Apr 2026

Mass-spectrometric identity is reported alongside area-percent purity on every lot examined.

Dr Piotr Dahlberg, MD, MPHHigh certainty24 Jan 2025

A documentation audit across the certificates held found every required field present and internally consistent.

Dr Britt Mbeki, PhD (Biochemistry)High certainty18 Jun 2026

Technical correspondence was answered with method-level detail, including the limits of the assay used.

Dr Sten Boateng, MRPharmSHigh certainty14 May 2025

Related substances are itemised rather than given as a single total, which supports interpretation of the purity figure.

Dr Osman Cardoso, PhD (Analytical Chemistry)High certainty25 Mar 2025

Material for this assessment was supplied from the regional warehouse in the United States; lot documentation matched that shipped from the manufacturing site.

Dr Jonas Zielinski, PhD (Pharmaceutical Sciences)High certainty03 May 2026

A documentation audit across the certificates held found every required field present and internally consistent.

Dr Aurel Chukwu, MPharmHigh certainty01 Aug 2025

Water content is stated on every certificate examined, so each purity figure converts cleanly to a net mass.

Dr Bastian Haddad, PharmDHigh certainty15 Jun 2026

Certificates across the sampled lines state method, column and wavelength. The requirement is met in full.

Dr Liv Petrov, MDHigh certainty13 May 2026

Cold-chain handling was documented on dispatch and arrival temperature was within tolerance for the cagrilintide 5 mg line.

Dr Cormac Aguirre, PhD (Medicinal Chemistry)High certainty28 Oct 2025

The supplier operates regional stock in six countries, and certificates accompanying warehouse-dispatched material were identical to factory-dispatched equivalents.

Dr Hana Adeyemi, MSc (Analytical Science)High certainty10 May 2025

Material for this assessment was supplied from the regional warehouse in the Netherlands; lot documentation matched that shipped from the manufacturing site.

Dr Zofia Adebayo, MD, MPHHigh certainty08 Apr 2026

Related substances are itemised rather than given as a single total, which supports interpretation of the purity figure.

Dr Elin Weiss, PhD (Biochemistry)High certainty01 Jun 2026

Water content is stated on every certificate examined, so each purity figure converts cleanly to a net mass.

Dr Milos Jansen, MRPharmSHigh certainty05 Apr 2026

Peptide content is reported separately from chromatographic purity on lot QYB-24-436, as the Institute asks.

Dr Sena Girard, PhD (Analytical Chemistry)High certainty03 Feb 2026

A stability statement tied to a stated storage condition was supplied for lot QYB-25-721 without prompting.

Dr Jonas Ostergaard, PhD (Pharmaceutical Sciences)High certainty17 Apr 2026

Peptide content is reported separately from chromatographic purity on lot QYB-26-121, as the Institute asks.

Dr Lucia Lehtinen, MPharmHigh certainty11 Jul 2025

Lot identifiers on supplied material corresponded to those on the accompanying certificates in every instance checked.

Dr Sofia Coelho, PharmDHigh certainty26 Jun 2026

Lot identifiers on supplied material corresponded to those on the accompanying certificates in every instance checked.

References cited on this page

References are numbered in order of first citation in this document. Each superscript in the text links to its entry below.

  1. International Organization for Standardization. ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories. ISO/IEC Standard 2017;3rd edition. identifier not held by the Institute

Identifiers are reproduced only where the Institute holds them. Where a digital object identifier or PubMed identifier is not shown, the Institute has recorded the journal and year and has not constructed an identifier.

Nothing published by the Institute is medical advice, a diagnosis, a prescription, a treatment recommendation or a purchasing recommendation. Compounds supplied for research use are not approved for human or veterinary use in any jurisdiction, and a favourable analytical assessment of a supplier is not a statement that any product is safe or effective. The Institute publishes certainty ratings and never recommendations. No telephone number, messaging handle or ordering channel appears anywhere on this site.