ASSAYED, NOT ASSERTEDResearch-use lot-level COA verification shows measured purity, identity, and release data for sample batch records.See Sample COA->
Sample / demo verification record
Tirzepatide · Batch PS-TIR-2606-001 Verification Card
This public sample record demonstrates how XPeptideSource presents lot identity, analytical criteria, and QA release review for B2B procurement files. Live customer batches remain controlled and must be confirmed by XPeptideSource QA before internal file use.
Batch summary
Release data snapshot
Purity
99.78 %
- COA Number
- COA-PS-TIR-2606-001
- Lot Number
- PS-TIR-2606-001
- Specification
- 10 mg / vial
- CAS Number
- 2023788-19-2
- Molecular Formula
- C225H348N48O68
- Molecular Weight
- 4813 g/mol
- Mfg Date
- 15 June 2026
- Testing Completed
- 15 June 2026
- QA Release Date
- 16 June 2026
- Document Version
- 16 June 2026
- Stability / Retest Policy
- Assigned only for live customer lots after QA review
- Purity
- 99.78 %
- Endotoxin
- < 0.05 EU/mg
- MS Identity
- 4813 Da · conforms
- Released By
- Kevin Fang · 16 June 2026
- Storage
- -20 °C, protect from light
Analytical review
Sample release criteria and results
Values below are part of this public demo record and show the format used for batch identity, release metrics, analytical criteria, and release-control review. Current order lots require QA matching by SKU and lot ID.
| Test item | Acceptance criteria | Result | Status |
|---|---|---|---|
| Appearance | White to off-white lyophilized powder | White to off-white lyophilized powder | Pass |
| Identification (LC-MS) | Consistent with reference standard or controlled identity file | Conforms | Pass |
| Peptide Purity (RP-HPLC) | NLT 98.0% | 99.78% | Pass |
| Related Impurities (HPLC) | Each impurity NMT 1.0%; total NMT 2.0% | Each <= 0.18%; total 0.26% | Pass |
| Mass Spectrum (ESI-MS) | 4813 Da theoretical | 4813 Da | Pass |
| Peptide Content (Assay) | NLT 90.0% on dry basis | 93.4% | Pass |
| Water Content (Karl Fischer) | NMT 7.0% | 2.5% | Pass |
| Residual Solvents (GC) | ACN NMT 410 ppm; DCM NMT 600 ppm; MTBE NMT 5000 ppm | ACN 157 ppm; others N.D. | Pass |
| Heavy Metals (as Pb) | NMT 10 ppm | < 2 ppm | Pass |
| Bacterial Endotoxins | NMT 1 EU/mg | < 0.05 EU/mg | Pass |
| Microbial Limits | TAMC NMT 100 cfu/g; TYMC NMT 100 cfu/g | TAMC < 20; TYMC < 20 cfu/g | Pass |
| Fill Content | Catalog fill +/-10% | 10 mg / vial | Pass |
Batch documents
COA file and analytical method review
Use the full report and method overview when your procurement team needs a document packet for batch identity and release review.
Public Sources & References