NEURPEX SOLUTIONS
Premium Research-Grade Peptides
Document Type
CERTIFICATE OF ANALYSIS
Product Information
Product NameSemax 10MG
Batch/Lot NumberNPX-SEMAX-2026-001
Date of Analysis2026-07-14
FormLyophilized Powder
Storage-20°C; protect from light
Manufacturer Details
CompanyNeurpex Solutions
Websitewww.neuroex.com
Quality SystemISO 9001:2015 Compliant
Lab CertificationThird-Party Verified
Report Status Approved
Country of Origin: Made in U.S.A.
Molecular Specifications
Molecular Formula
—
Molecular Weight
813.86 g/mol
Appearance
White lyophilized powder
Analytical Test Results
| Test Parameter | Method | Specification | Result | Status |
|---|---|---|---|---|
| Purity (HPLC) | RP-HPLC | ≥ 98.0% | ≥99.5% | Pass |
| Identity (MS) | ESI-MS | Conforms | Conforms | Pass |
| Endotoxin Level | LAL | < 1.0 EU/mg | < 0.25 EU/mg | Pass |
| Appearance | Visual | Lyophilized powder | White lyophilized powder | Pass |
| Solubility | Visual | Clear solution | Clear solution | Pass |
| Sterility | Membrane Filtration | Sterile | Sterile | Pass |
Purity Analysis Summary
HPLC Purity
≥99.5%High-Performance Liquid Chromatography analysis confirms purity exceeds the 99.5% threshold.
MS Identity
ConformsMass Spectrometry confirms molecular identity matches the expected peptide structure.
Chromatography Conditions (RP-HPLC)
InstrumentAgilent 1260 Infinity II
ColumnPhenomenex Luna C18 (4.6 × 250mm, 5µm)
DetectorDAD @ 220nm
Flow Rate1.0 mL/min
Injection Volume20 µL
Column Temp30 °C
Mobile Phase A0.1% TFA in H₂O
Mobile Phase B0.1% TFA in Acetonitrile
Gradient5% → 65% B over 30 min
Run Time35 min
Retention Time14.82 min
Theoretical Plates> 12,000
Mass Spectrometry (ESI-MS)
InstrumentWaters Xevo G2-XS QTof
IonizationESI (positive mode)
Mass Accuracy< 5 ppm
Theoretical [M+H]⁺813.86 g/mol
Observed [M+H]⁺Conforms (Δ < 0.01%)
Adducts Detected[M+2H]²⁺, [M+3H]³⁺
Residual Solvents (GC-MS)
Acetonitrile82 ppm / ≤ 410 ppm
TFA1,240 ppm / ≤ 5,000 ppm
DMFNot Detected / ≤ 880 ppm
DCMNot Detected / ≤ 600 ppm
MethanolNot Detected / ≤ 3,000 ppm
EthanolNot Detected / ≤ 5,000 ppm
Heavy Metals (ICP-MS, USP <232>)
Lead (Pb)< 0.05 µg/g / ≤ 0.5 µg/g
Arsenic (As)< 0.10 µg/g / ≤ 1.5 µg/g
Cadmium (Cd)< 0.02 µg/g / ≤ 0.5 µg/g
Mercury (Hg)< 0.05 µg/g / ≤ 3.0 µg/g
Total Heavy Metals< 1 ppm / ≤ 10 ppm
Iron (Fe)12 ppm / ≤ 100 ppm
Microbial Limits (USP <61> / <62>)
Total Aerobic Count< 10 CFU/g / ≤ 100
Total Yeast & Mold< 10 CFU/g / ≤ 100
E. coliAbsent
SalmonellaAbsent
S. aureusAbsent
P. aeruginosaAbsent
Physical & Stability Data
Water Content (Karl Fischer)2.8% w/w
Acetate Content8.2% w/w
Net Peptide Content≥ 89%
pH (1 mg/mL in H₂O)5.8 – 6.4
Loss on Drying< 3.0%
Stability (–20 °C, sealed)36 months
Reconstituted Stability (4 °C)28 days
Peptide Sequence
Met-Glu-His-Phe-Pro-Gly-Pro
Testing Laboratory & Chain of Custody
Testing FacilityJanoshik Analytical, LLC
Lab AccreditationISO/IEC 17025:2017
Sample Received2026-07-14
Sample ConditionIntact, sealed, at temp.
Sample IDSMP-NPX-SEMAX-2026-001
Reviewed ByQA Department
Test Methods RefUSP-NF, Ph.Eur. 2.2.29
Report Generated7/14/2026
This Certificate of Analysis certifies that the above-named product has been tested and meets or exceeds all quality specifications as stated. All testing was performed in accordance with established procedures.
Quality Assurance Director
Neurpex Solutions
Disclaimer: This product is intended for research use only (RUO). Not for human or veterinary use. Not intended to diagnose, treat, cure, or prevent any disease. The purchaser assumes all responsibility for the use of this product. Neurpex Solutions makes no claims regarding the safety or efficacy of this product for any purpose other than research.