For laboratory research use only. Not for human consumption.
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Illustrative certificateNS-2026-06054Nordicstar Analytical Sciences
DSIP 10 MG
Illustrative certificateNS-2026-06055Nordicstar Analytical Sciences
DSIP 15 MG
Nootropic Research
Experimental sleep, EEG & neuroendocrine research
A pair saves 10%. A set of three saves 15%.
For laboratory research use only.
Not for human consumption or clinical use.
The records shown here are illustrative. Request laboratory-issued documentation for your lot before ordering.
Priority, tracked shipping within the United States, free on orders of $200 or more after savings. Add Priority dispatch at checkout to have your order packed first; Private Clients receive it on every order. Follow the product documentation for laboratory handling requirements.
Shipping information01 / The compound
Experimental sleep, EEG & neuroendocrine research
DSIP, short for Delta Sleep-Inducing Peptide, is a nonapeptide with the amino-acid sequence Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE). It was characterized in the 1970s after being isolated from cerebral venous blood of rabbits during experimental sleep research. Synthetic DSIP was subsequently reported to enhance delta and spindle EEG activity in rabbit experiments.
Subsequent DSIP research expanded into experimental models examining sleep-associated EEG activity, neuroendocrine signaling and other physiological responses. Findings across the literature have varied by model and methodology, and the peptide's biological role and mechanism remain incompletely characterized.
02 / Research profile
DSIP’s biological role and mechanism remain incompletely characterized. Its name originated in experimental EEG observations, while later studies examine neuroendocrine and stress-related responses with results that vary by model.
Early DSIP research focused on sleep-associated EEG activity. The original rabbit experiments reported enhanced delta and spindle EEG patterns following administration of synthetic DSIP, providing the basis for subsequent investigation of the peptide in sleep research.
DSIP was originally characterized through animal experiments involving EEG patterns and behavior. More recent preclinical research has investigated experimental models involving EEG recording, stress responses and environmental adaptation.
DSIP has also been investigated in preclinical models of endocrine signaling. Laboratory research has examined stress-related peptide markers and neurochemical pathways to better understand the molecule's possible biological interactions.
Reading the evidence
DSIP research spans historical rabbit EEG experiments and more recent preclinical models examining neurological, neuroendocrine and stress-related responses. The available findings vary substantially by experimental system, methodology and endpoint. Results should therefore be interpreted within the specific animal or laboratory model used and should not be generalized beyond those conditions.
03 / Reference data
Reference specifications describe a compound. The final lot documentation identifies the material supplied.
| Compound | DSIP |
|---|---|
| Research area | Nootropic Research |
| CAS number | 62568-57-4 |
| Molecular weight | 848.81 g/mol |
| Physical form | Lyophilized |
| Vial options | 10 MG · 15 MG |
| Intended use | Laboratory research only |
Variant amounts are nominal catalog quantities. They are not instructions for use.
HPLC separates components under a defined method. Read the reported percentage alongside the chromatogram, wavelength, integration method, and scope of the test.
Mass spectrometry provides molecular-mass evidence. Identity and chromatographic purity answer different questions; one cannot stand in for the other.
Connect the product name, variant, lot identifier, report date, and issuing laboratory. A report is useful only when its sample can be linked to the material being reviewed.
Every DSIP lot is analyzed by Nordicstar Analytical Sciences for identity, content, and purity by HPLC with LC-MS confirmation. Each certificate carries a report number and verification key that can be checked at nordicstarlabs.com/verify. Research references below describe published science, not a certificate for a vial.
Read a COA with confidence| Presentation | Lot | HPLC purity | Tested | Certificate |
|---|---|---|---|---|
| 15 MG Current lot | GLZ-26-DSIP-1054 | 99.750% | 20 Sep 2026 | NS-2026-06055 |
| 10 MG Current lot | GLZ-26-DSIP-1053 | 99.712% | 19 Sep 2026 | NS-2026-06054 |
| 10 MG | GLZ-26-DSIP-747 | 99.607% | 21 Aug 2026 | NS-2026-06179 |
| 15 MG | GLZ-26-DSIP-746 | 99.698% | 10 Aug 2026 | NS-2026-06181 |
| 10 MG | GLZ-26-DSIP-647 | 99.660% | 17 Jul 2026 | NS-2026-06180 |
| 15 MG | GLZ-26-DSIP-646 | 99.584% | 15 Jul 2026 | NS-2026-06182 |
05 / Storage & handling
Keep sealed research material protected from moisture, unnecessary light and temperature fluctuations. Use the storage conditions documented for the specific compound, formulation and lot.
Solution stability depends on solvent, concentration, container and experimental conditions. Use a validated laboratory protocol; a universal post-reconstitution shelf life is not established by the literature summaries.
Explore the handling guide06 / Common questions
DSIP stands for Delta Sleep-Inducing Peptide, the name given to the nine-amino-acid peptide characterized in early experimental sleep research.
Yes. Emideltide is an alternative name used for Delta Sleep-Inducing Peptide (DSIP).
07 / Further reading
Selected literature for context. Read each study’s methods, experimental model, and limitations alongside its findings.
Curated pairings
