Description
| Target compounds: | Semaglutide, Tirzepatide, Retatrutide |
| Other names: | Sema, Tirz, Reta |
| CAS No. – Semaglutide: | 910463-68-2 |
| Molecular weight – Semaglutide: | 4113.6 |
| Semaglutide sequence: | H-His-Ala-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly-OH |
| CAS No. – Tirzepatide: | 2023788-19-2 |
| Molecular weight – Tirzepatide: | 4813.5 |
| Tirzepatide sequence: | H-Tyr-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-Aib-Leu-Asp-Lys-Ile-Ala-Gln-Lys(Eicosanedioyl-isoGlu-PEG2-PEG2)-Ala-Phe-Val-Gln-Trp-Leu-Ile-Ala-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2 |
| CAS No. – Retatrutide: | 2381089-83-2 |
| Molecular weight – Retatrutide: | 4731.3 |
| Retatrutide sequence: | Tyr-Aib-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-Mel-Leu-Asp-Lys-Lys-Ala-Gln-Aib-Ala-Phe-Ile-Glu-Tyr-Leu-Leu-Glu-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2 |
| Testing method: | HPLC |
| Detection limit cutoff: | less than 1/20th of the usual dosage per vial |
| Result format (lyophilizate): | mg per vial and peptide purity |
| Result format (alternative): | m/m purity and peptide purity |
| Minimum amount for the test (lyophilizate): | 1 whole unopened vial with lyophilizate |
| Minimum amount for the test (raw API powder): | 30mg in sealed glass vial to prevent the sample from absorbing moisture |
| Average turnaround time: | 5 business days |
| Important notice: | In case the peptides are mixed together in the sample, measurement of peptide purity might not be possible. |







