DSIP
DSIP from the Nexus Cognitive & Nootropic catalog, supplied for controlled in-vitro research workflows.
In stock: 2mg is in stock.
For in-vitro research use only. Not for human consumption.
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring 9-amino acid neuropeptide first isolated from rabbit brain venous blood. Research investigates its interactions with sleep-wake cycle regulation, stress response modulation, neuroendocrine signaling, and cortisol/ACTH pathway modulation.
No sequence is listed in the current catalog record for this product.
- CAS
- 62568-57-4
- MW
- 848.82 g/mol
- Sequence
- Not listed
- Half-life
- Not listed
- Formula
- C35H48N10O15
- Purity
- 99.70%
- Form
- Lyophilized powder
- Class
- Neuropeptide / Sleep-Related Peptide
This lyophilized research material is commonly paired with bacteriostatic water for reconstitution workflows.
Add bacteriostatic waterThe dossier.
Compound Overview
Delta Sleep-Inducing Peptide (DSIP) is a naturally occurring 9-amino acid neuropeptide originally isolated from rabbit brain venous blood. Laboratory research examines its interactions with sleep-wake cycle regulation, stress response modulation, neuroendocrine signaling, and cortisol/ACTH pathway modulation.
Research Background & Published Literature
DSIP has appeared in sleep physiology and stress response research literature since the 1970s. Studies published in Peptides, Neuroscience Letters, and related journals have evaluated delta wave sleep patterns, CRH signaling, and hypothalamic-pituitary-adrenal (HPA) axis regulation in controlled research contexts.
Researchers reviewing the literature around this compound can use the peer-reviewed resources below for additional context on mechanism of action, signaling pathways, and controlled laboratory research applications:
- Graf et al. (1984) — Neurosci Biobehav Rev
- Kovalzon et al. (2006) — J Neurochem
- Susić et al. (1987) — Brain Res
Storage, Handling & Stability Guidelines
For long-term stability, keep lyophilized DSIP material stored at -20°C. After reconstitution with sterile diluent, refrigerate at 2–8°C and reduce freeze-thaw exposure by aliquoting working volumes according to validated laboratory SOPs.
- Keep ambient-temperature handling time as short as practical to support compound integrity.
- Reseal vials promptly after each withdrawal to limit moisture exposure.
- Use appropriate personal protective equipment and follow institutional chemical safety protocols at all times.
- For traceability, label all aliquots with compound name, concentration, reconstitution date, and operator initials.
Lab Verification
Nexus maintains batch-level verification records for research compounds in the Lab Verified archive, including HPLC purity review and Mass Spectrometry identity confirmation where current lot data is available.
Shipping
Orders ship within the United States via USPS; international orders are not accepted. Compounds are supplied as lyophilized research material — follow the storage and reconstitution guidance on the product page and its Certificate of Analysis.
Compound details.
- CAS Number
- 62568-57-4
- Molecular Weight
- 848.82 g/mol
- Molecular Formula
- C₃₅H₄₈N₁₀O₁₅
- Class
- Neuropeptide / Sleep-Related Peptide
- Purity
- ≥99% purity
- Physical Form
- Lyophilized powder
- Storage
- Store at -20°C (long term). Refrigerate after reconstitution.
Research context.
DSIP has been studied since the 1970s in sleep physiology and stress response research. Published studies in Peptides, Neuroscience Letters, and other journals have examined its effects on delta wave sleep patterns, CRH signaling, and hypothalamic-pituitary-adrenal (HPA) axis regulation.
Verification standard.
Independently verified Nexus Laboratory batches ship with a Certificate of Analysis documenting HPLC purity (target ≥98%), mass spectrometry identity (expected versus observed mass), and endotoxin context where applicable — verified by independent third-party laboratories and publicly archived; lots awaiting final documentation are labeled certificate pending instead of showing assay values. Review Nexus lab verification.
HPLC trace.
- HPLC purity
- 99.70%
- Retention time
- 8 min
- Batch
- NEX-DSIP-2026-0031
The full reverse-phase HPLC chromatogram, peak integration table, and mass-spectrometry identity confirmation for this batch are published on the certificate of analysis.
View certificate of analysis - batch NEX-DSIP-2026-0031- Sequence
- Not listed
- Model preview
- Unavailable
Molecular model preview is unavailable for this catalog record.
The chemistry.
9-amino acid neuropeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu)
Storage: Store at -20°C (long term). Refrigerate after reconstitution.
Technical specifications.
- Product Name: DSIP
- Classification: Neuropeptide / Sleep-Related Peptide
- Structural Description: 9-amino acid neuropeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu)
- CAS Number: 62568-57-4
- Molecular Weight: 848.82 g/mol
- Purity: ≥99% (verified by HPLC and Mass Spectrometry)
- Physical Form: Lyophilized (freeze-dried) powder
- Intended Use: In-vitro research use only — not for human consumption
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DSIP research FAQ.
What is DSIP used for in research?
DSIP is supplied for controlled in-vitro research workflows in the Cognitive & Nootropic category. It is not labeled for human or veterinary use.
Is DSIP HPLC verified?
DSIP has a finalized Nexus Lab Verified record with 99.70% HPLC purity context in the current COA data.
Which DSIP sizes are available?
Current Nexus variants include 2mg, 5mg, 10mg, 15mg.
Does DSIP include a COA?
Yes. The current Nexus record links DSIP to verified batch NEX-DSIP-2026-0031.
