Quality & COA
Every batch tested. Every result documented.
Our in-house QC laboratory releases a batch only after HPLC purity and LC-MS identity both meet specification.
Testing standards
| Purity | RP-HPLC, C18 column, UV 220nm |
| Identity | ESI LC-MS molecular weight confirmation |
| Peptide content | Nitrogen / amino acid analysis |
| Water content | Karl Fischer titration |
| Endotoxin | LAL test (on request) |
| Third-party | Janoshik and other labs on request |
Certificate of Analysis · Sample
Tirzepatide
Batch NP-TZ-260915 · Mfg 2026-09-15
HPLC chromatogram · 220nm
| Test | Specification | Result |
|---|---|---|
| Appearance | White lyophilized powder | Conforms |
| Identity (LC-MS) | MW 4813.5 ± 1.0 | 4813.3 |
| Purity (HPLC) | ≥ 99.0% | 99.42% |
| Single impurity | ≤ 0.5% | 0.21% |
| Water (KF) | ≤ 8.0% | 4.6% |
| Peptide content | ≥ 80% | 86.7% |
COA Library
Download a sample COA, or request the current batch report for any product.
Tirzepatide
Batch NP-TIR-260910 · 99%+
Retatrutide
Batch NP-RET-260911 · 99%+
BPC-157
Batch NP-BPC-260912 · 99%+
TB-500
Batch NP-TB--260913 · 99%+
BPC-157 + TB500 Blend
Batch NP-BPC-260914 · 99%+
MOTS-c
Batch NP-MOT-260915 · 99%+
GHK-Cu
Batch NP-GHK-260916 · 99%+
AHK-Cu
Batch NP-AHK-260917 · 99%+
Epithalon
Batch NP-EPI-260918 · 99%+
KPV
Batch NP-KPV-260919 · 99%+
CJC-1295
Batch NP-CJC-260920 · 99%+
CJC-1295 + Ipamorelin
Batch NP-CJC-260921 · 99%+
Ipamorelin
Batch NP-IPA-260922 · 99%+
Tesamorelin
Batch NP-TES-260923 · 99%+
Sermorelin
Batch NP-SER-260924 · 99%+
NAD+
Batch NP-NAD-260925 · 99%+
5-Amino-1MQ
Batch NP-5-A-260926 · 99%+
Glutathione
Batch NP-GLU-260927 · 99%+
Cagrilintide
Batch NP-CAG-260928 · 99%+