How is Sermorelin supplied?

Sermorelin is supplied as a lyophilised (freeze-dried) powder in 5 mg vials, for laboratory research use only.

Has this batch of Sermorelin been independently tested?

Yes. Lot PX-2408-A was tested at 98.9% by an independent laboratory. The full certificate of analysis is published and searchable by lot code on the verify page, before and after purchase.

Is Sermorelin for human use?

No. Sermorelin is supplied strictly for in vitro laboratory research. It is not for human or animal consumption, and is not a drug, food, or cosmetic.

Sermorelin

Name: Sermorelin
Brand: PepNex
Availability: InStock

GHRH (1-29). Supplied in 5 mg vials, lyophilised and ready to reconstitute.

Batch certified

UK stock, same-day

Stored cold, shipped & sealed safely

Strength

How many vials?

2 more vials to save 5%

Add bacteriostatic water

Peptides ship as dry powder — you’ll need this to reconstitute the vial.

£75.01 from free UK delivery

Total£24.99

Ships today

Questions about Sermorelin? Ask us

For laboratory research use only. Not for human or animal consumption, and not a drug, food, or cosmetic. Sold to qualified researchers and institutions.

About Sermorelin

Residues: 29
Molecular weight: 3357.9 g/mol
CAS number: 86168-78-7

Sermorelin is GRF(1-29) amide, the N-terminal 29-amino-acid fragment of human growth hormone-releasing hormone (GHRH) and the shortest fragment retaining full GHRH-like activity in studied systems. It acts as an agonist at the GHRH receptor on pituitary somatotrophs and is composed of the standard L-amino acids.

For laboratory research use only. Not for human or veterinary use.

Specifications

HydrophobicPolarAcidicBasic

29 residues

Identity

Sequence: YADAIFTNSYRKVLGQLSARKLLQDIMSR
Molecular formula: C149H246N44O42S
Molecular weight: 3357.9 g/mol
CAS number: 86168-78-7

Physical

Form: Lyophilised powder
Appearance: White to off-white powder
Solubility: Soluble in bacteriostatic or sterile water
Storage: Store the lyophilised powder at -20°C, protected from light. Refrigerate reconstituted material at 2 to 8°C and use within its stability window.

This batch

Purity: 98.9%
Lot: PX-2408-A
Test date: May 2026
Testing lab: third-party
Methods: HPLC, LC-MS/MS

Certificate

Certificate · lot PX-2408-A98.9% · HPLC / LC-MS/MS · May 2026

COA · PX-2408-A.pdfIndependent lab report

Handling and storage

Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.

Literature

Sermorelin: a review of its use in GHRH testing and growth-hormone deficiency
Prakash A, Goa KL · BioDrugs · 1999

Common questions about Sermorelin

What is Sermorelin?: Sermorelin is GRF(1-29) amide, the N-terminal 29-amino-acid fragment of human growth hormone-releasing hormone (GHRH) and the shortest fragment retaining full GHRH-like activity in studied systems.
How is Sermorelin supplied?: Sermorelin is supplied as a lyophilised (freeze-dried) powder in 5 mg vials, for laboratory research use only.
How should Sermorelin be stored and handled?: Reconstitute with bacteriostatic or sterile water. Store the lyophilised powder at -20°C, protected from light; refrigerate reconstituted material at 2 to 8°C. Handle under standard laboratory conditions.
Has this batch of Sermorelin been independently tested?: Yes. Lot PX-2408-A was tested at 98.9% by an independent laboratory. The full certificate of analysis is published and searchable by lot code on the verify page, before and after purchase.
Is Sermorelin for human use?: No. Sermorelin is supplied strictly for in vitro laboratory research. It is not for human or animal consumption, and is not a drug, food, or cosmetic.