15% fall discount applied automatically at checkoutFree USA shipping over $100Free worldwide shipping over $200Credit/debit checkout disabled for updates
Sign in 0

Public results

Published lot certificate Issued by PrymaLab Analytical for a PrymaLab production lot. Scan the QR code or enter the number and key on the verify page to confirm any printed copy.
Download PDF
PrymaLab
PrymaLab AnalyticalCertificate of Analysis · Lot release · tested in-housePrymaLab Analytical · Attn: Sample intake · 3705 Music Branch Rd · Ashland, KY 41102 · United States
Certificate number PL-26-00073 Key SPL7YYKJ Verify at prymalab.net/testing/verify/

PEG-MGF (Mechano Growth Factor) 2 mg Lot PL-2609-073 · analysed September 19, 2026 · issued October 3, 2026

Purity · RP-HPLC99.76%Specification 99.0% • main peak at 5.48 min
Identity · Observed Mass2867.4 DaTheoretical 2867.2 Da • +0.2 Da (70 ppm) • core peptide basis
ConclusionPASSMeets every specification for the tests performed

The certificate

Certificate of analysis PL-26-00073, page 1
Page 1: results, specifications and chromatogram
Certificate of analysis PL-26-00073, page 2
Page 2: HPLC method, peak table, mass spectrometry and approval

Summary

CompoundPEG-MGF
PEGylated mechano growth factor: the IGF-1Ec E-domain 24-mer carrying a polydisperse PEG
CAS numberNot assigned
Molecular formulaC121H200N42O39 (core 24-mer before PEGylation)
Theoretical mass2867.2 Da core peptide; the conjugate carries a polydisperse PEG (nominal 2–5 kDa)
Sequence / structurePEG-YQPPSTNKNTKSQRRKGSTFEERK-NH₂ (24-residue human MGF E-domain peptide; C-terminal amide; PEG attached at the N-terminus). Identity is reported on the core-peptide basis.
AppearanceWhite lyophilized powder
Storage−20 °C, desiccated, dark
Label claim2 mg/vial
Lot numberPL-2609-073
Certificate numberPL-26-00073
Date of analysis2026-09-19 (retest 2028-09-18)
Purity (RP-HPLC)99.76%
Identity (LC-MS)2867.4 Da (core 24-mer)
Water content (KF)2.6%
Endotoxin (LAL)0.09 EU/mg
SterilityNo growth; conforms
ConclusionPASS
Tested byPrymaLab Analytical (PrymaLab's own laboratory, Ashland, KY). In-house result, not an independent third-party test.
Third-party testing guarantee. Have this product tested by any independent laboratory. If the result does not come back as the compound named on the label, at the purity and amount stated, we refund your order in full and reimburse the cost of the test. Email the lab report and your order number to michael@prymalab.net.

View the product Download the PDF Print-ready certificate Verify another certificate All PrymaLab lot certificates