Endocrine
CJC-1295 (No DAC)
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21+ · VERIFIED LAB USE
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Tesamorelin is a synthetic analogue of the complete 44-residue human GHRH sequence, modified with a trans-3-hexenoyl group at the N-terminus.
Tesamorelin is a synthetic analogue of the complete 44-residue human GHRH sequence, modified with a trans-3-hexenoyl group at the N-terminus.
It is the longest GHRH-family sequence in the catalogue - 44 residues against Sermorelin's 29 - and at roughly 5136 g/mol it is also among the highest molecular weights stocked.
The N-terminal acylation protects against dipeptidyl peptidase cleavage, which is the primary degradation route for unmodified GHRH fragments in serum-containing assay conditions.
| Compound name | Tesamorelin |
| Classification | Endocrine research compound |
| CAS number | 901758-09-6 |
| Molecular formula | C221H366N72O67S |
| Molecular weight | 5135.9 g/mol |
| Sequence | trans-3-hexenoyl-GHRH(1-44)-NH2 |
| Purity (this lot) | 99.7% by RP-HPLC |
| Endotoxin | <0.5 EU/mg by LAL |
| Appearance | White lyophilized powder |
| Vial size | 10 mg |
| Solubility | Soluble in sterile or bacteriostatic water |
| Storage | Lyophilized: -20 C, desiccated. Reconstituted: 2-8 C, use within 30 days. |
| Released lot | PS-9789916 |
Vials arrive lyophilized and sealed under nitrogen. Bring the vial fully to room temperature before breaking the seal — opening a cold vial condenses atmospheric moisture onto the cake.
Direct diluent gently against the inside wall of the vial rather than onto the cake, and allow the material to dissolve without agitation. Vortexing shears longer sequences and introduces air.
Lyophilized: -20 C, desiccated. Reconstituted: 2-8 C, use within 30 days.
A full walkthrough is in the reconstitution guide, and the calculator will work out concentration and draw volume for this vial size.
Standard laboratory practice applies: appropriate personal protective equipment, no consumption, no administration to humans or animals, and disposal in accordance with institutional protocol and local regulation.
Both certificates below were generated against this specific lot and published before it was released to stock. Enter the lot number in the certificate lookup to retrieve them at any time. New to reading these? See how to read a certificate of analysis.
Tesamorelin is the full 44-residue sequence with an N-terminal hexenoyl group; Sermorelin is the unmodified 1-29 fragment.
It blocks dipeptidyl peptidase cleavage at the N-terminus, the main degradation route for GHRH fragments.
It is the longest sequence in the class, and synthesis cost scales with chain length.
Tesamorelin is supplied for in-vitro laboratory research only. It is not a drug, dietary supplement, food or cosmetic, is not approved by the FDA for any use in humans or animals, and no dosing guidance is published for it. Nothing on this page is a therapeutic, structure–function or health claim. Purchasers must be 21 or over and are responsible for compliance with all applicable law. Full terms of supply.
