Tesamorelin is a 44-amino-acid synthetic GHRH analog (MW: 5135.89 Da) with a unique trans-3-hexenoic acid N-terminal modification. As an FDA-approved peptide (Egrifta), it requires rigorous quality verification, especially for compounding pharmacy applications. Its large size makes it prone to truncated sequences, and the N-terminal modification is a common synthesis failure point.
Tesamorelin-optimized HPLC gradient separates the full-length peptide from truncated sequences, deletion products, and oxidized methionine variants, common impurities in large peptide synthesis.
ESI-MS confirms the expected 5135.89 Da molecular weight and verifies the trans-3-hexenoic acid modification: the most critical structural feature for biological activity.
Standard turnaround with full raw data.
Overnight shipping from Florida, California, Texas, New York, Massachusetts, Illinois, and every state nationwide.
| Service | Price | Turnaround |
|---|---|---|
| HPLC Purity Testing | $150–$300 | 9–11 days |
| Mass Spectrometry Identity | $200–$400 | 9–11 days |
| Purity + Identity Bundle | $300–$500 | 9–11 days |
We do Tesamorelin testing in every US state through our nationwide mail-in service.
Professional HPLC purity and mass spectrometry identity testing for Tesamorelin. Ship from anywhere in the US.