Celvaris Labs

Batch Verification Report

Batch verification and analytical summary for PT-141.

Batch Code: P260316-A005
BVR ID: PT141P260316-A005-BVR-20260608
Revision: 1.0
Research Use Only
Single Peptide · Batch Verified
PT-141
Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH (cyclic) · CAS 1607799-13-2 · MW 1025.16 g/mol · Lyophilised Powder
Purity
99.36%
HPLC
Peptide Content
88.93%
N%
Assay
99.24%
HPLC
Endotoxin
Conforms
<10 EU/mg
P260316-A005
Amber Vial · Filler-Free
BVR QR Code — Scan to verify batch
Scan to verify
Product
PT-141 (Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH (cyclic))
Molecular Formula
C50H68N14O10  |  MW 1025.16 g/mol
Intended use
Laboratory research and analytical reference applications only.
Batch & dates
Batch: P260316-A005
Manufacturer catalog: A005
Manufacture date: 2026-03-27
Recommended retest date: 2028-03-26
Form & amount
Form: Lyophilised peptide powder
Amount: As specified on Celvaris product label
Storage
Store in a cool, dry place away from light. Follow Celvaris storage guidance on the product label.

Analytical Results

The following analytical data was obtained from manufacturer testing of batch P260316-A005. Celvaris has independently verified this data against our quality specifications.

TestMethodSpecificationResultStatus
AppearanceVisualWhite powderConformsPASS
Solubility (water)Visual≥ 5 mg/mLConformsPASS
IdentityMS (ESI)1025.16 ± 1.01024.86PASS
PurityHPLC≥ 98.0%99.36%PASS
Related substanceHPLCAny impurity ≤ 1.0%0.37%PASS
Peptide contentN%≥ 80.0%88.93%PASS
Water contentKarl Fischer≤ 10.0%2.52%PASS
Acetate contentHPLC< 12.0%6.85%REPORT
TFA contentHPLC≤ 0.5%N.D.PASS
Residual solventsGCBelow ICH limitsN.D.PASS
Bacterial endotoxinsLAL< 10 EU/mgConformsPASS
Microbial limitsUSPWithin limitsConformsPASS
AssayHPLC95.0–105.0%99.24%PASS

All parameters above were tested on the manufacturer’s certificate of analysis for this batch.

Storage & Handling

Storage Conditions:

  • Store at -20°C or below in original sealed vial
  • Protect from light and moisture
  • Do not freeze-thaw repeatedly once reconstituted
  • Recommended shelf life: 24 months when stored properly

General Laboratory Handling:

  • Handle using standard laboratory safety practices
  • Wear appropriate PPE (gloves, lab coat, safety glasses)
  • Use in well-ventilated area or fume hood
  • Avoid inhalation, ingestion, or skin/eye contact
  • Wash hands thoroughly after handling

Reconstitution:
Reconstitution methods, diluents, and working concentrations must be determined by qualified researchers according to their specific experimental protocols and institutional guidelines. Celvaris does not provide reconstitution instructions.

Additional Documentation:
For questions about this batch or to request additional information, contact [email protected]

All tested parameters conform to specification. No deviations noted.

Scroll to Top