Ipamorelin is a research-grade selective GHS-R agonist research peptide available at For Peptides with ~99% HPLC purity, independent 3rd-party lab testing, and >90% fill volume. Every vial ships from our USA facility and is intended strictly for in vitro laboratory research — not for human or veterinary use. Explore other hormonal research peptides in our hormonal research collection.
Ipamorelin is a selective pentapeptide agonist of the ghrelin receptor (GHS-R1a). Unlike earlier GHS compounds, it has been studied for its selectivity: minimal effects on cortisol, prolactin, and ACTH in preclinical models while stimulating growth-hormone release from pituitary somatotrophs.
Ipamorelin is studied in growth-hormone axis research, pituitary function assays, and as a selective GHS-R1a probe where cortisol and prolactin interference must be minimized.
Technical Specifications
- Molecular Formula: C38H49N9O5
- Molecular Weight: 711.86 g/mol
- Sequence: Aib-His-D-2-Nal-D-Phe-Lys-NH2
- CAS Number: 170851-70-4
- Appearance: White lyophilized powder
- Amount per Vial: 5 mg
Handling & Storage
- Lyophilized powder: Store at -20°C for long-term stability.
- After reconstitution: Store at 2-8°C and use within 30 days.
- Reconstitution: Use bacteriostatic water or sterile water for injection.
- Avoid: Repeated freeze-thaw cycles and direct light exposure.
Quality & Testing
- Purity: ~99% by HPLC
- Testing: Third-party independent laboratory analysis
- Fill Volume: >90% guaranteed
- Shipping: Cold-chain compatible, ships from USA
Frequently Asked Questions
What makes ipamorelin selective?
Unlike earlier GH secretagogues, it does not significantly raise cortisol or prolactin in published research.
Purity?
~99% HPLC, third-party verified.
Storage?
Lyophilized at -20°C.
Why Researchers Choose For Peptides Ipamorelin
- ~99% HPLC purity verified via high-performance liquid chromatography on every batch
- Independent 3rd-party lab testing with Certificate of Analysis (COA) available on request
- >90% fill volume guarantee — you get the peptide mass you paid for
- Ships from USA — fast domestic fulfillment, no international customs delays
- Real scientific support — questions answered by researchers, not a call center
Browse related research peptides in our hormonal research collection, or view all our best-selling research peptides. For questions about Ipamorelin purity, COAs, or bulk research orders, call 1-877-336-7737 or start a live chat.
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