Research-grade compound. Laboratory use only. Not intended for human or animal use, ingestion, or injection. No medical claims are made or implied.
≥98% PurityIn-House HPLC & MS Tested
Cyclic and Neuropeptide Research CompoundsSKU: CP-DSIP
DSIP
≥99% PurityHPLC & MS verified
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Research-grade DSIP. 99.3% avg purity, HPLC & MS verified. Lyophilized powder in sealed glass vial. For laboratory research use only. Not for human consumption.
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| Quantity | Price Each | Total | Savings |
|---|---|---|---|
| 1 unit | €11.99 | €11.99 | -- |
| 3+ | €11.39 | €34.17 | 5% off |
| 5+Most Popular | €10.79 | €53.96 | 10% off |
| 10+ | €10.19 | €101.91 | 15% off |
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Important Notice
This product is intended for laboratory and research use only. Not for human or veterinary use. By purchasing, you confirm this product will be used exclusively for in-vitro research purposes.
When This Product May Not Suit Your Research
- ⚠If your research requires GMP-grade material for clinical applications — research-grade peptides are not intended for clinical use.
- ⚠If your lab lacks proper cold storage (-20°C freezer) — this peptide's stability may be compromised at higher temperatures.
- ⚠If your study protocol requires FDA-approved reference standards — contact USP or a certified reference material provider.
Purity HPLC
99.3% average HPLC purity, verified by independent third-party testing
Third-Party Tested
Janoshik report published when available
Fast Shipping
24h dispatch, EU-wide shipping from €4.99
Third-Party Tested
Independent lab verification for every batch
Last reviewed: 2026-04-24
About DSIP
About DSIP
What is DSIP?
Delta Sleep-Inducing Peptide is a nine-amino-acid peptide first pulled from the cerebral venous blood of rabbits during slow-wave sleep in 1977. The name is slightly misleading — DSIP does not simply knock you out. It modulates sleep architecture, specifically promoting delta wave (stage 3/4 NREM) activity without suppressing REM. That is a very different thing from sedation.
CAS: 62568-57-4. A neuromodulatory peptide that sits at an unusual intersection: sleep science, stress physiology, and pain research, all in one compound.
Mechanism of Action
What makes it odd
DSIP does not fit neatly into any single category. It modulates sleep, but also reduces stress-induced ACTH and cortisol. It has analgesic properties through endogenous opioid facilitation. It affects thermoregulation. And it stimulates LH release, which is a completely different axis. Most peptides do one thing well. DSIP touches five different systems, and nobody has fully explained how a nonapeptide manages that.
Mechanism
Promotes delta wave sleep without suppressing REM — it changes sleep quality, not just sleep quantity. Reduces ACTH and cortisol under stress. Facilitates endogenous opioid activity for analgesic effects. Modulates hypothalamic temperature regulation. Stimulates LH through an unclear pituitary mechanism. The multi-system profile suggests DSIP works upstream of these individual effects, possibly at the level of hypothalamic coordination.
Research Overview
Specs
Molecular weight848.8 Da
CAS62568-57-4
Purity99.3% avg by HPLC
FormLyophilized powder
Sizes2mg, 5mg
Storage
Lyophilized at -20°C. Reconstituted: 2-8°C, use within 4 weeks.
Quality
HPLC, mass spec, endotoxin testing. COA included. EU QC under CERTALAB S.R.L.
Product Specifications
- Purity: 99.3% avg (HPLC verified)
- Form: Lyophilized powder
- SKU: CP-DSIP
Certificate of Analysis available for every batch. View COAs →
For research purposes only. Not for human consumption.
Specification Summary
Purity99.3% avg
FormLyophilized Powder
Storage-20\u00B0C
Researcher Confidence
Why researchers choose CertaPeptides
Who actually tests this?
Every batch is independently verified by Janoshik Analytical (100,000+ verifications/month), Eurofins Scientific, and Analytical Sciences International. We publish every Certificate of Analysis.
View COAs →What if I get the wrong batch?
Every bottle label carries a lot number that maps to a specific Certificate of Analysis. If a batch fails spec, we don't ship it — full stop.
View COAs →Where does it ship from?
Romania (EU). We are CERTALAB SRL, CUI RO54451735, VAT-registered. SameDay for Romania, FanCourier for Central/Eastern EU, TCE Worldwide for the rest. 3–7 business days EU-wide.
Shipping details →What if there's a problem?
You have a 14-day withdrawal right under OUG 34/2014 (Romanian/EU consumer law), with ANPC/ODR escalation available. Contact us at support@certapeptides.com.
Returns policy →Product Information
This product is intended for scientific research and development purposes only. It is a chemical substance that shall not be used as a drug, medicine, active substance, or ingredient in any product intended for human or animal consumption. Researchers must handle this compound in accordance with their institutional biosafety guidelines. Use only in properly equipped laboratory settings with appropriate personal protective equipment.
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