Reference data table
Peptide Molecular Weight Chart
Molecular weight (molar mass, in g/mol) is the summed atomic mass of a peptide and is the single most-used value in laboratory reconstitution math: it converts a lyophilized vial mass into a molar concentration. This chart lists the molecular weight of each peptide in the HappyTides reference library, calculated from its sequence and any modifications.
Data columnMolecular Weight
| Peptide | Molecular Weight |
|---|---|
| AOD-9604 | 1815.06 g/mol |
| BPC-157 | 1419.5 g/mol (monoisotopic/average ~1419.55) |
| Bremelanotide | 1025.2 g/mol (free base; monoisotopic ~1024.5) |
| CJC-1295 with DAC | ~3647 g/mol (free pre-conjugation DAC peptide; vendor MW commonly cited ~3647.8 g/mol). After covalent conjugation to ~66.5 kDa human serum albumin the effective circulating mass is ~70 kDa. |
| CJC-1295 without DAC | 3367.9 g/mol (average; reported as ~3367.95) |
| DSIP | 848.81 g/mol |
| Epitalon | 390.35 g/mol |
| GHK-Cu | 401.91 g/mol (1:1 Cu(II) complex, C14H22CuN6O4); free GHK tripeptide = 340.38 g/mol (C14H24N6O4) |
| GHRP-2 | 817.99 g/mol (free peptide / base) |
| GHRP-6 | 873.01 g/mol |
| Hexarelin | 887.04 g/mol |
| Ipamorelin | 711.86 g/mol |
| KPV | 342.43 g/mol |
| MOTS-c | 2174.62 g/mol (monomer free peptide) |
| NAD+ | 663.43 g/mol |
| Retatrutide | 4731.33 g/mol (average mass, free base) |
| Selank | 751.87 g/mol |
| Semaglutide | 4113.58 g/mol (average; reported 4113.58-4113.64; ~4114 Da) |
| Semax | 813.92 g/mol (free base / monoisotopic average) |
| Sermorelin | 3357.93 g/mol (average); free base |
| TB-500 | ~889.0 g/mol (free base; acetate salt form ~949.1 g/mol) |
| Tesamorelin | 5135.9 g/mol (average; ~5136 Da per PubChem CID 16137828) |
| Thymosin Alpha-1 | 3108.32 g/mol |
| Tirzepatide | 4813.5 g/mol |
← All reference tablesBrowse peptides →
For in-vitro laboratory research use only. Not for human or animal consumption. Data is provided for research reference and is not medical guidance.