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Sermorelin dosage calculator
Sermorelin vials are commonly labelled 2 mg, 5 mg, 9 mg. This calculator divides the vial mass by the diluent volume you enter to show concentration, then converts your own target amount into millilitres and syringe units. It states no dose, chooses no amount and stores nothing.
This page is a calculation tool. The amounts you enter are values you decided; this page states no dose and gives no medical advice.
Sermorelin vial concentration grid
This table answers one arithmetic question: what concentration results when a labelled vial mass is divided by a measured diluent volume? It does not select either value.
| Vial mass | Diluent | Concentration | Same concentration |
|---|---|---|---|
| 2 mg | 0.5 mL | 4,000 mcg/mL | 4 mg/mL |
| 2 mg | 1 mL | 2,000 mcg/mL | 2 mg/mL |
| 2 mg | 1.5 mL | 1,333.33 mcg/mL | 1.333 mg/mL |
| 2 mg | 2 mL | 1,000 mcg/mL | 1 mg/mL |
| 2 mg | 2.5 mL | 800 mcg/mL | 0.8 mg/mL |
| 2 mg | 3 mL | 666.67 mcg/mL | 0.667 mg/mL |
| 2 mg | 5 mL | 400 mcg/mL | 0.4 mg/mL |
| 5 mg | 0.5 mL | 10,000 mcg/mL | 10 mg/mL |
| 5 mg | 1 mL | 5,000 mcg/mL | 5 mg/mL |
| 5 mg | 1.5 mL | 3,333.33 mcg/mL | 3.333 mg/mL |
| 5 mg | 2 mL | 2,500 mcg/mL | 2.5 mg/mL |
| 5 mg | 2.5 mL | 2,000 mcg/mL | 2 mg/mL |
| 5 mg | 3 mL | 1,666.67 mcg/mL | 1.667 mg/mL |
| 5 mg | 5 mL | 1,000 mcg/mL | 1 mg/mL |
| 9 mg | 0.5 mL | 18,000 mcg/mL | 18 mg/mL |
| 9 mg | 1 mL | 9,000 mcg/mL | 9 mg/mL |
| 9 mg | 1.5 mL | 6,000 mcg/mL | 6 mg/mL |
| 9 mg | 2 mL | 4,500 mcg/mL | 4.5 mg/mL |
| 9 mg | 2.5 mL | 3,600 mcg/mL | 3.6 mg/mL |
| 9 mg | 3 mL | 3,000 mcg/mL | 3 mg/mL |
| 9 mg | 5 mL | 1,800 mcg/mL | 1.8 mg/mL |
Sermorelin physical-property record
Sermorelin free form and acetate form
PubChem records sermorelin with formula C149H246N44O42S and molecular weight 3,357.9 g/mol. Cayman lists its sermorelin acetate material at 3,449.9 g/mol. The acetate-associated value belongs to that catalog form, while the PubChem value describes the compound record. A precise vial note should include the salt wording so a later molecular-weight check does not appear inconsistent. Sources: PubChem: sermorelin compound record · Cayman Chemical: sermorelin acetate specification.
Reference-material handling
Cayman's technical specification reports water solubility at 10 mg/mL for its sermorelin acetate and storage at -20 C. These are supplier conditions for a laboratory reference product. They are not a universal reconstitution range and do not establish how a separately marketed vial should be prepared. The calculator keeps liquid volume user-entered for that reason. Sources: Cayman Chemical: sermorelin acetate specification.
Why the certificate mass basis matters
A certificate may report gross salt mass, peptide content or a free-base equivalent. Those bases are not interchangeable when checking a molecular weight or calculating moles. The live tool avoids molar output and uses only the mass printed on the label. For auditability, the original wording, catalog, lot and purity statement should be stored beside the calculation instead of being compressed to a generic sermorelin entry. Sources: PubChem: sermorelin compound record · Cayman Chemical: sermorelin acetate specification.
A physical-property boundary
The PubChem and Cayman pages can support identity, formula, product form, reported solubility and storage wording. They cannot verify sterility, authenticity or stability of another supplier's vial. This calculator performs deterministic unit arithmetic and states no dose. It does not turn the supplier's solubility test into an instruction, choose a liquid volume or infer a schedule from the compound name. Sources: PubChem: sermorelin compound record · Cayman Chemical: sermorelin acetate specification.
How to use the calculator
- Read the total mass from your own vial label and enter it in milligrams.
- Enter the diluent volume you actually measured, not an intended or remembered value.
- Enter your own target amount and select the calibration printed on your syringe barrel.
- Record the concentration with the result so the syringe-unit figure remains interpretable later.
Source and identity record
Use the compound reference page and these external database searches when checking identity: PubMed literature search for Sermorelin · PubChem: sermorelin compound record · Cayman Chemical: sermorelin acetate specification. A database record does not authenticate a vial.
Frequently asked questions
How much bacteriostatic water for a 2 mg Sermorelin vial?
This calculator does not choose a diluent volume. Enter the volume you decided to add to the 2 mg vial and it will show the resulting concentration. The page supplies arithmetic, not an instruction.
How much bacteriostatic water for a 9 mg Sermorelin vial?
There is no universal volume selected by this page. Use the value you measured or were instructed to use; the calculator then divides the 9 mg label mass by that volume.
Does the Sermorelin calculator recommend a dose?
No. The target amount is always entered by the user. The tool provides no starting amount, maximum amount, progression, frequency or schedule.
Why does the syringe calibration matter?
A syringe unit is a volume marking. U-100, U-50 and U-40 barrels use different numbers of units per millilitre, so the same solution volume produces different markings.
Related pages
Stop recalculating this every time
PepCycle stores each vial once — mass, diluent volume, concentration — and converts automatically for every entry after that, in both directions, including entries you backdate.
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Last updated · Written by Aykut Yilmaz. All calculations run in your browser; no values are transmitted or stored.