What is the amino acid sequence of hexarelin?
Hexarelin is a research peptide whose amino acid sequence is on the public registry record. The published sequence is His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2. Its molecular formula is C47H58N12O6. Its molecular weight is 887.0 g/mol. The CAS Registry Number is 140703-51-1. PubChem CID 6918297 indexes the structure.
Sequence. His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2
Class. peptide.
Formula. C47H58N12O6.
Mass. 887.0 g/mol.
Analytical note. Identity confirmation by mass spectrometry uses the mass calculated from the formula. Sable's release specification is ≥99% by HPLC with identity confirmed against the expected mass (quality page). Research use only. Not a medicine. Not for human or veterinary use.
Sources
Hexarelin: reference facts
8 Hexarelin values, each linked to its public source; see the Hexarelin reference page.
| Synonyms | examorelin (pubchem.ncbi.nlm.nih.gov) |
|---|---|
| Compound class | peptide (pubchem.ncbi.nlm.nih.gov) |
| CAS Registry Number | 140703-51-1 (pubchem.ncbi.nlm.nih.gov) |
| Sequence | His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2 (pubchem.ncbi.nlm.nih.gov) |
| Molecular formula | C47H58N12O6 (pubchem.ncbi.nlm.nih.gov) |
| Molecular weight | 887.0 g/mol (pubchem.ncbi.nlm.nih.gov) |
| PubChem CID | 6918297 (pubchem.ncbi.nlm.nih.gov) |
| Storage (lyophilised) | -20 °C, dry, protected from light (sigmaaldrich.com) |
Sizes and prices at Sable
| Vial | Price | Per mg | UK same-size check (2026-10-16) |
|---|---|---|---|
| 2 mg | £11.56 | £5.78 | lowest other £11.95 across 4 UK sellers |
| 5 mg | £16.99 | £3.40 | lowest other £25.00 across 2 UK sellers |
| 10 mg | £24.97 | £2.50 | no same-size match |
Multi-vial pricing on the same item: 3+ vials 10% off, 5+ vials 15% off, 10+ vials 20% off. Every lot has a certificate of analysis: CoA library.
Typical analytical method
| HPLC column | C18 reversed-phase (100-120 A pore) |
|---|---|
| Mobile phase | A: water + 0.1% TFA; B: acetonitrile + 0.1% TFA; linear gradient (e.g. 5-65% B over 20-30 min) |
| Detection | 214-220 nm (peptide bond) and 280 nm (Trp/Tyr present) |
General literature method. The lot CoA records the method actually used. How to read an HPLC chromatogram.
Related questions
Lyophilised storage on file: Hexarelin
From the Sable storage reference (lyophilised material only; temperature, light, moisture). Literature basis is linked per row. See peptide storage.
| Compound | Lyophilised storage | Light / notes |
|---|---|---|
| Hexarelin | -20 C long term (-80 C acceptable), sealed and desiccated; 2-8 C for weeks | protect from light; contains Met/Cys/Trp: oxidation-prone; minimise air/headspace exposure (source) |
Typical analytical method: Hexarelin
Reference HPLC and MS conditions from the Sable analytical-methods file; a lot's CoA states the method actually used. See how to read a CoA.
| Compound | HPLC column / detection | MS / expected ion |
|---|---|---|
| Hexarelin | C18 reversed-phase (100-120 A pore); 214-220 nm (peptide bond) and 280 nm (Trp/Tyr present) | ESI-MS (positive mode); LC-MS for identity; [M+1H]1+ ~888.0; [M+2H]2+ ~444.5; [M+3H]3+ ~296.7 |
Research use only. Not a medicine. Not for human or veterinary use.