A peptide of this size sits between the few-charge spectra of short peptides and the broad envelopes of proteins. The 5+ and 6+ ions are usually the most intense. Isotope clusters are resolved on high-resolution instruments, so monoisotopic mass can be used, and the +16 oxidation satellite and the +1 deamidation shift are both detectable with care. Fragmentation of the amino-terminal fragment confirms the acyl group is on tyrosine 1.
The acetate counterion does not appear in the spectrum.
A gradient of acetonitrile in water with trifluoroacetic acid separates tesamorelin from GHRH, from the deamidated and oxidised forms, and from synthesis-related impurities such as deletion sequences. The hexenoyl group shifts retention enough that unacylated peptide is easily distinguished. Detection at 214 or 220 nanometres captures the peptide bonds; 280 is weak because the sequence has only two aromatic residues.
The method and wavelength appear on the certificate with the purity figure.
Calculated mass, observed mass, difference; purity by area under the stated method; related substances including the two known degradants; counterion and water content; net peptide content. Identity for the batch is the mass comparison.
Tesamorelin is supplied by REVIVE LAB UAE for laboratory research use only, with identity by mass spectrometry and purity by HPLC for the batch. It is not for human or veterinary use, and no dosing, administration or protocol guidance is provided.
| Format | Strength | Price | Availability |
|---|---|---|---|
| Tesamorelin Pack | 20 mg | AED 1010 | In stock |
Delivery is AED 40 flat and free on orders over AED 700. Payment is cash on delivery anywhere in the UAE, or USDT (TRC20) in advance, which takes 5% off the order total.
A peptide of this size sits between the few-charge spectra of short peptides and the broad envelopes of proteins. The 5+ and 6+ ions are usually the most intense. Isotope clusters are resolved on high-resolution instruments, so monoisotopic mass can be used, and the +16 oxidation satellite and the +1 deamidation shift are both detectable with care. Fragmentation of the amino-terminal fragment confirms the acyl group is on tyrosine 1.
No. REVIVE LAB UAE supplies research materials and provides no dosing, administration or protocol guidance of any kind. Every product is sold for laboratory research use only and is not for human or veterinary consumption.
Stock is held in Dubai. An order confirmed before 4 PM Dubai time is dispatched the same working day, reaching Dubai and Abu Dhabi the same day and the remaining emirates within 24 hours. Delivery is AED 40 flat and free over AED 700.
Supplied for laboratory research use only. Not for human or veterinary consumption. REVIVE LAB UAE provides no dosing, administration or protocol guidance.