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Molecular Weight Calculator
Compute molecular weight from a chemical formula (C, H, N, O, P, S, Cl, F, Cu and more).
Formula in, mass out.
Compute molecular weight from a chemical formula using standard atomic masses. Every Vyroval product lists its formula and molecular weight on its detail page — verify them here.
Molecular weight
— g/mol
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How it works
The math
Sum of atomic masses
MW = Σ (element mass × atom count)
Retatrutide, C₂₂₁H₃₄₂N₄₆O₆₈, sums to ≈ 4,731 g/mol with standard atomic weights. Product pages list molecular weights from vendor certificates, which may follow slightly different rounding or monoisotopic conventions.
Uses standard atomic weights (IUPAC). For laboratory research use.
Reference
Catalog molecular weights
45 compounds whose molecular formula is defined. Figures are recomputed from the formula with standard atomic weights, so they can differ from the certificate value on the product page by ±0.1 through rounding. Blends, solutions and ancillary supplies are omitted because they have no single molecular formula.
| Compound | Formula | MW (g/mol) |
|---|---|---|
| Retatrutide | C221H342N46O68 | 4731.4 |
| Tirzepatide | C225H348N48O68 | 4813.5 |
| Semaglutide | C187H291N45O59 | 4113.6 |
| HGH 191aa | C990H1529N263O299S7 | 22124.1 |
| NAD+ | C21H27N7O14P2 | 663.4 |
| GHK-Cu | C14H24N6O4Cu | 403.9 |
| TB-500 | C212H350N56O78S1 | 4963.5 |
| BPC-157 | C62H98N16O22 | 1419.6 |
| Ipamorelin | C38H49N9O5 | 711.9 |
| Testosterone Enanthate | C26H40O3 | 400.6 |
| Testosterone Cypionate | C27H40O3 | 412.6 |
| Trenbolone Acetate | C20H24O3 | 312.4 |
| Nandrolone Decanoate | C28H44O3 | 428.7 |
| Boldenone Undecylenate | C30H44O3 | 452.7 |
| Drostanolone Propionate | C23H36O3 | 360.5 |
| Methenolone Enanthate | C27H42O3 | 414.6 |
| Winstrol | C21H32N2O | 328.5 |
| Anavar | C19H30O3 | 306.4 |
| Dianabol | C20H28O2 | 300.4 |
| KPV | C16H30N4O4 | 342.4 |
| DSIP | C35H48N10O15 | 848.8 |
| Selank | C33H57N11O9 | 751.9 |
| Semax | C37H51N9O10S | 813.9 |
| MOTS-c | C101H152N28O22S2 | 2174.6 |
| Epithalon | C14H22N4O9 | 390.3 |
| GHRP-6 | C46H56N12O6 | 873.0 |
| Tesamorelin | C221H366N72O67S | 5135.9 |
| Sermorelin | C149H246N44O42S | 3357.9 |
| Thymosin Alpha-1 | C129H215N33O55 | 3108.3 |
| AOD-9604 | C78H123N23O23S2 | 1815.1 |
| VIP | C147H237N43O43S | 3326.8 |
| Melanotan II | C50H69N15O9 | 1024.2 |
| Oxytocin | C43H66N12O12S2 | 1007.2 |
| Kisspeptin-10 | C63H83N17O14 | 1302.5 |
| L-Carnitine | C7H15NO3 | 161.2 |
| Glutathione | C10H17N3O6S | 307.3 |
| PT-141 | C50H68N14O10 | 1025.2 |
| SS-31 | C32H49N9O5 | 639.8 |
| CJC-1295 No DAC | C152H252N44O42 | 3368.0 |
| Ostarine (Enobosarm) | C19H14F3N3O3 | 389.3 |
| Testolone (RAD-140) | C20H16ClN5O2 | 393.8 |
| Ligandrol (LGD-4033) | C14H12F6N2O | 338.3 |
| Andarine (S-4) | C19H18F3N3O6 | 441.4 |
| SR-9009 (Stenabolic) | C20H24ClN3O4S | 437.9 |
| MK-677 (Ibutamoren) | C28H40N4O8S2 | 624.8 |
Values rounded to one decimal place. For laboratory research use only.
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