PE 22-28 – 10mg
High-purity PE 22-28 analytical reference material — a synthetic heptapeptide supplied as a 10mg vial of filler-free lyophilized powder.
Product Overview
Celvaris Labs supplies research-grade PE 22-28 as an analytical reference standard. PE 22-28 is a synthetic heptapeptide (Gly-Val-Ser-Trp-Gly-Leu-Arg), molecular formula C35H55N11O9 and a molecular weight of 773.94 g/mol, manufactured by solid-phase peptide synthesis (SPPS).
Primary applications: Reference standard for method development, analytical validation, peptide characterisation studies, and comparative quality control.
Documentation Included
- Batch Verification Report (BVR) – Batch-specific analytical data compiled by Celvaris Labs
- HPLC chromatography – 99.39% purity
- Mass spectrometry (ESI-MS) – Identity confirmation
- Peptide content assay – 84.47% by nitrogen analysis
- Karl Fischer water content – 3.04%
- Mass balance – 96.10%
- Batch verification portal – QR code and online lookup system
Analytical Data (Batch Verification Report)
The following data represents the verified results for batch P250218-8001037. Your batch-specific values are available in your Batch Verification Report (BVR) via the verification portal.
| Parameter | Result | Specification | Status |
|---|---|---|---|
| Appearance | Conforms | White powder | PASS |
| Identity | Conforms | Consistent with structure | PASS |
| Purity | 99.39% | ≥ 98.0% | PASS |
| Peptide content | 84.47% | ≥ 80.0% | PASS |
| Acetate content | 8.59% | < 12.0% | REPORT |
| Water content | 3.04% | ≤ 10.0% | PASS |
| Mass balance | 96.10% | 95.0–105.0% | PASS |
Parameters not listed were not included on the manufacturer’s Batch Verification Report for this batch.
Peptide Sequence
| Sequence Length | 7 amino acids (heptapeptide) |
| Molecular Formula | C35H55N11O9 |
| Molecular Weight | 773.94 g/mol |
| Source | Synthetic peptide |
| Synthesis Method | Solid-phase peptide synthesis (SPPS) |
Ordering Information
Package Contents
10mg PE 22-28 lyophilized powder in a sealed glass vial with batch-specific labeling and QR verification code. No fillers, mannitol, or bulking agents added.
Batch Verification Report
Complete BVR with HPLC purity, mass spectrometry identity, water content and counter-ion data accessible via QR code or online verification portal at celvarislabs.com/verify.
US Express Shipping
Fast domestic express shipping nationwide. If your order doesn’t arrive, we reship free — no questions asked.
Tier Pricing Available
Volume discounts for research facilities and repeat orders. Contact for institutional pricing and bulk quantities.
Quality & Verification
Batch Verification Report (BVR)
Every batch includes analytical documentation through Celvaris Labs’ verification system, presenting the manufacturer analytical data in a standardised format for full transparency.
Filler-Free Guarantee
Celvaris peptides contain zero fillers. No mannitol, no bulking agents — just pure lyophilized peptide.
Online Verification Portal
Instant batch verification via QR code or manual lookup. Access your batch-specific BVR anytime at celvarislabs.com/verify.
US Laboratory Supply
Celvaris Labs is a US supplier providing research-grade peptide reference materials to universities and biotech laboratories nationwide.
Complete Specifications
| Product Name | PE 22-28 |
| Description | Synthetic heptapeptide (Gly-Val-Ser-Trp-Gly-Leu-Arg) |
| Molecular Formula | C35H55N11O9 |
| Molecular Weight | 773.94 g/mol |
| Sequence | H-Gly-Val-Ser-Trp-Gly-Leu-Arg-OH |
| Physical Form | White to off-white lyophilized powder |
| Amount per Vial | 10mg |
| Purity (HPLC) | 99.39% |
| Storage Conditions | Cool, dry place protected from light; -20°C for extended storage |
| Shelf Life | 24 months when stored properly (see BVR) |
| Intended Use | Analytical Reference Standard / Research Use Only |
| Regulatory Status | Not for human or veterinary use; laboratory research only |
Frequently Asked Questions
Product Specifications
What is PE 22-28?
PE 22-28 is a synthetic heptapeptide with the sequence Gly-Val-Ser-Trp-Gly-Leu-Arg, molecular formula C35H55N11O9 and molecular weight 773.94 g/mol. Supplied strictly as an analytical reference standard for laboratory research.
What analytical data is provided?
Each batch includes a Batch Verification Report (BVR) with HPLC purity (99.39%), ESI-MS identity, peptide content (84.47%), Karl Fischer water (3.04%) and mass balance (96.10%).
How do I verify my batch?
Scan the QR code on the label, use the link in your order confirmation, or visit celvarislabs.com/verify and enter the batch ID.
Why does the powder look smaller than other suppliers?
Celvaris peptides are filler-free — no mannitol or bulking agents, just pure lyophilized peptide.
Regulatory & Compliance
What is the regulatory status of PE 22-28 in the United States?
PE 22-28 is supplied for research use only. It is NOT approved for human consumption, therapeutic use, veterinary applications, or diagnostic procedures. Purchasers are responsible for ensuring compliance with all applicable regulations.
Does Celvaris provide research protocols or application guidance?
No. Celvaris supplies analytical reference materials only. We do not provide reconstitution protocols, application methods, dosing information, or research design guidance.
Regulatory Disclaimer – Analytical Reference Material
PE 22-28 is supplied as an analytical reference standard for research use only.
NOT for:
- Human consumption, administration, or therapeutic use
- Veterinary or animal health applications
- Diagnostic procedures
- Clinical trials or medical research involving human subjects (without appropriate approvals)
- Food, cosmetic, or dietary supplement applications
- Personal or consumer use of any kind
Purchaser Responsibilities:
- Verify compliance with all applicable federal, state, and local regulations
- Maintain proper laboratory safety and handling procedures
- Ensure appropriate storage, documentation, and chain of custody
- Use only for legitimate analytical/research purposes as intended
Celvaris Labs Does NOT Provide:
- Medical, therapeutic, or health-related advice
- Dosing recommendations or administration protocols
- Reconstitution instructions or methods
- Research design or experimental methodologies
Order PE 22-28 10mg Analytical Reference Material
High-purity PE 22-28 heptapeptide analytical reference material. Every order includes a Batch Verification Report (BVR), portal access, filler-free guarantee, and US express shipping with free reship guarantee.
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