HPLC + MS
Independently tested for identity and purity
NP-DSIP-02
Aug 5, 2026
99.13%
View Certificate of Analysis
CAS# 62568-57-4
Also Known As Emideltide
Sequence WAGGDASGE
Class Synthetic Peptide
Form Lyophilized Powder
Research Pathway
Research Pathway
Research Pathway
DSIP (Delta Sleep-Inducing Peptide; Emideltide; CAS# 62568-57-4) is a synthetic nonapeptide originally isolated from rabbit thalamic venous blood by Monnier et al. (1977). The compound (sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu) has been characterised in in vitro and preclinical research settings for interactions across GABAergic, opioidergic, and hypothalamic-pituitary-adrenal (HPA) axis pathways. Supplied by NexPept as a lyophilized powder for in vitro laboratory research use. This compound has not been authorized by Health Canada for any therapeutic, clinical, or human use.
Molecular Profile
CAS#, sequence, formula, molecular weight, analytical data
CAS#, sequence, formula, molecular weight, analytical data
| Property | Value |
|---|---|
| CAS Number | 62568-57-4 |
| INN / Also Known As | Emideltide; Delta Sleep-Inducing Peptide |
| Sequence | Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE) |
| Origin | Originally isolated from rabbit thalamic venous blood (Monnier et al., 1977) |
| Molecular Formula | C₃₅H₄₈N₁₀O₁₅ |
| Molecular Weight | ~848.8 Da |
| Compound Class | Synthetic nonapeptide — neuromodulatory peptide |
| Research Pathways | GABAergic, opioidergic, CRF/HPA axis, LH/gonadotropin modulation |
| Physical Form | Lyophilized powder |
| Analytical Method | High-Performance Liquid Chromatography (HPLC) + Mass Spectrometry (MS) |
| Appearance | White to off-white lyophilized solid |
In Vitro Research Context
Neuromodulatory pathway pharmacology — laboratory use only
Neuromodulatory pathway pharmacology — laboratory use only
GABA-A receptor modulation and inhibitory neurotransmission pathway research
Corticotropin-releasing factor interactions and hypothalamic-pituitary-adrenal axis studies
Endogenous opioid system modulation and enkephalin pathway research models
DSIP is studied in preclinical in vitro settings as a pharmacological tool for investigating neuromodulatory peptide interactions across multiple CNS signalling systems. Research applications include GABA-A receptor modulation assays, HPA axis peptide interaction studies, opioidergic pathway binding characterisation, and gonadotropin-releasing hormone (GnRH/LH) axis investigations. As an endogenously derived nonapeptide with broad neuromodulatory activity, DSIP is used in controlled laboratory environments to study the intersection of sleep-regulatory, stress-response, and inhibitory neurotransmission pathways.
Available Formats
10mg — lyophilized powder
10mg — lyophilized powder
| Format | Net Quantity | Physical Form |
|---|---|---|
| DSIP 10mg | 10 mg / vial | Lyophilized powder |
Laboratory Storage
Controlled storage conditions for lyophilized material
Controlled storage conditions for lyophilized material
Store sealed lyophilized material under controlled laboratory conditions in accordance with validated institutional SOPs and applicable technical documentation. Protect from light and moisture. Handling conditions should be established by qualified research personnel in accordance with the specific experimental protocol.
Research Literature
Scientific references & related resources
Scientific references & related resources
PubMed — DSIP / Delta Sleep-Inducing Peptide — peer-reviewed scientific literature on this compound
Steiger A. (2006) — “Delta sleep-inducing peptide: a still unresolved riddle” — comprehensive review of DSIP pharmacology and research context. Peptides, PMID 16539679
Research Peptides in Canada — sourcing and research context for Canadian laboratories
What Are Research Peptides? — peptide classification and in vitro research context
This product is supplied exclusively for in vitro laboratory and non-clinical research use by qualified research personnel. It is not authorized by Health Canada for human or veterinary use. No therapeutic, clinical, or health claims are made.
This material must not be administered to humans or animals. No dosage, preparation, reconstitution, or administration instructions are provided or implied. All handling and use must be conducted by qualified personnel in accordance with applicable institutional policies and legal requirements.














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