$49.99
This item has been third-party tested by accredited U.S. laboratories and confirmed to meet a minimum purity of 98% through rigorous verification standards.
$49.99
Synthetic neuropeptide (nonapeptide) — lyophilized powder. Supplied by Research Chemical exclusively for laboratory research use.
Lyophilized powder, sterile glass vial.
Independently analyzed by an accredited third-party lab.
9-amino-acid neuropeptide, confirmed by mass spectrometry.
Supplied exclusively for laboratory investigation.
| Compound Class | Synthetic Neuropeptide (Nonapeptide) |
|---|---|
| Form | Lyophilized powder, sterile glass vial |
| Amount per Vial | 5 mg |
| Sequence | Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu |
| CAS Number | 62568-57-4 |
| Chemical Formula | C35H48N10O15 |
| Molar Mass | 848.81 g/mol |
| Synonyms | DSIP, Emideltide, Delta Sleep-Inducing Peptide |
| Verified Purity | Batch-tested to 98% (HPLC) |
For laboratory research use only. Not for human or animal consumption.
Each peptide batch is analyzed by an accredited third-party laboratory before it ships.

Most recent batch certificate of analysis, issued by MZ Biolabs. Click to view full size on the certificates page.
Every batch sold by Research Chemical is independently analyzed before it ships.
This product is an investigational compound and is not a drug, food, dietary supplement, or cosmetic. It is not approved for human or animal use, and it is unlawful to market it for that purpose.
DSIP is a neuropeptide and does not carry the WADA S2 classification applied to your other research peptides.
Research Chemical makes no representations regarding the safety or effects of this compound in humans or animals.
Research Chemical is a chemical supplier, not a medical provider. We do not condone or encourage consumer use of research compounds.
Research use only. All products sold by Research Chemical are intended exclusively for laboratory research and development. They are not for human or animal consumption. These statements have not been evaluated by the U.S. Food and Drug Administration, and these products are not intended to diagnose, treat, cure, or prevent any disease.
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Research Chemical products are third-party tested by MZ Biolabs, an independent laboratory based in Arizona. Each batch is analyzed to ensure accuracy, purity, and that all specifications are met.

By purchasing from ResearchChemical.com, you acknowledge that you are acquiring research chemicals intended solely for scientific investigation.
DSIP is:
The information provided on this website is for educational and informational purposes only and should not be interpreted as medical advice. ResearchChemical.com assumes no liability for misuse, improper handling, or use outside of controlled research environments. It is the purchaser’s responsibility to ensure compliance with all applicable laws and regulations.
2. Amzica, F., & Steriade, M. (1997). The K-complex: its slow (< 1-Hz) rhythmicity and relation to delta waves. Neurology, 49(4), 952-959.
3. McCarley, R. W. (2007). Neurobiology of REM and NREM sleep. Sleep medicine, 8(4), 302-330.
4. Lichtigfeld, F. J., & Gillman, M. A. (1994). Psychotropic analgesic nitrous oxide and neurotransmitter mechanisms involved in the alcohol withdrawal state. International journal of neuroscience, 76(1-2), 17-33.
5. Mu Y, Gage FH. Adult hippocampal neurogenesis and its role in Alzheimer’s disease. Molecular Neurodegeneration. 2011 Dec;6:85. doi: 10.1186/1750-1326-6-85.
6. Shvetsov, A. V., Batotsyrenova, E. G., Dyuzhikova, N. A., Kashuro, V. A., Lapina, N. V., Dolgo-Saburov, V. B., & Ivanov, M. B. (2016). STUDY OF THE COMBINED INFLUENCE OF SODIUM THIOPENTAL AND DELTA SLEEP-INDUCING PEPTIDE ON ANTIOXIDANT DEFENSE SYSTEM IN RATS. Toxicological Review, (5), 49-52.
7. Segal, M. B., Zlokovic, B. V., Segal, M. B., & Zlokovic, B. V. (1990). Immunological and other aspects of the blood—brain barrier. The Blood-Brain Barrier, Amino Acids and Peptides, 179-188.
8. Vignati, S., Albertini, V., Rinaldi, A., Kwee, I., Riva, C., Oldrini, R., … & Catapano, C. V. (2006). Cellular, molecular consequences of peroxisome proliferator-activated receptor-δ activation in ovarian cancer cells. Neoplasia, 8(10), 851-IN12.
9. Graf, M. V., & Kastin, A. J. (1984). Delta-sleep-inducing peptide (DSIP): a review. Neuroscience & Biobehavioral Reviews, 8(1), 83-93.
10. Sailesh, K. S., & Mukkadan, J. (2013). Controlled vestibular stimulation: A novel treatment for insomnia. System, 12, 13.
11. Moore, P., Landolt, H. P., Seifritz, E., Clark, C., Bhatti, T., Kelsoe, J., … & Gillin, J. C. (2000). Clinical and physiological consequences of rapid tryptophan depletion. Neuropsychopharmacology, 23(6), 601-622.
12. Korbonits, M., Kaltsas, G., Perry, L. A., Putignano, P., Grossman, A. B., Besser, G. M., & Trainer, P. J. (1999). The growth hormone secretagogue hexarelin stimulates the hypothalamo-pituitary-adrenal axis via arginine vasopressin. The Journal of Clinical Endocrinology & Metabolism, 84(7), 2489-2495.
Please note that the above references provide evidence for the potential benefits of DSIP Peptide as stated in the product description. For more in-depth information, kindly refer to these scholarly works.




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