| Molecular Formula | C₂₂₁H₃₆₆N₇₂O₆₇S |
| Molecular Weight | 5135.91 g/mol |
| CAS Number | 218949-48-5 |
| Amino Acid Sequence | trans-3-hexenoyl-GRF(1-44)-NH₂ (44 amino acids) |
| Number of Amino Acids | 44 |
| Purity | ≥99% (HPLC) |
| Appearance / Form | White lyophilized powder |
| Reconstitution | Bacteriostatic water |
| Storage | −20 °C, protected from light; avoid freeze–thaw cycles |
Built on evidence, not promises
Verified Purity
Every batch independently tested by Janoshik. COA published, not promised.
Same-Day Shipping
Order before 15:00 and your order will be shipped the same business day from the Netherlands.
Discreet & Protected
Neutral packaging, temperature-controlled handling, and fully tracked delivery.
Purity Guarantee
99% purity or higher, or your money back. Clearly stated because we stand behind it.
What is research into Tesa for?
Research & Development
Every product we create follows three fundamental principles — without exception.
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Scientific Evidence — Clinically supported
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Relevance — Effective for your goal
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Safety & Quality — GMP tested
Peptide reconstitution calculator
Calculate the volume corresponding to a specified peptide amount for research purposes, based on vial, solvent and syringe scale.
What is your syringe volume?
Peptide amount in the vial
Desired peptide amount
Bacteriostatic water
Result
⚠ The syringe volume is not sufficient for this amount.
For research purposes only. Not for human consumption.





