Circadian Peptide

DSIP

Delta-Sleep PeptideEmideltide

A 9-amino acid peptide that modulates delta-wave sleep architecture and circadian rhythm signaling, studied for sleep onset mechanisms in laboratory models. Premium Direct-Supply Peptide.

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Verified Test Results

Every batch, independently verified.

Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory. The report below reflects the identity, purity and full-panel specification data reported by the lab.

ILSILS LaboratoriesCertificate of Analysis≥99%Purity by HPLC

ISO 17025 Accredited8× Tested

ParameterResultMethodSpecification

Peptide Purity (HPLC)99.45%HPLC>= 95%

Net Peptide Content5.22mgHPLCReport

Identity (HPLC)ConfirmedHPLCMeets spec

AppearanceGoodVisualMeets spec

Fentanyl ScreenNot DetectedImmunoassayPass

Heavy Metals (ICP-MS)Not DetectedICP-MSPass

Sterility (PCR)No GrowthPCRPass

Endotoxin (USP <85>)0.107 EU/mLUSP <85>Reported

Third-Party Verified

Certificate of Analysis

Every lot is HPLC-tested at an ISO/IEC 17025-accredited lab. Open any batch's certificate below.

COA information

DSIP 5mg

Latest

LOT DSP0001

99.45%HPLC purity · meets spec

Labeled: 5mg
Measured: 5.22mg
Identity: Confirmed
Heavy metals: Not Detected
Sterility: No Growth
Endotoxin: 0.107 EU/mL
Tested: Jul 30, 2026

8 assays passed · ISO/IEC 17025 accredited

Compound Information

Technical specifications

MOLECULAR PROFILE

What Is DSIP?

Naturally occurring nonapeptide first isolated from rabbit brain in 1977

NonapeptideEndogenous

Type: Synthetic nonapeptide
CAS Number: 62568-57-4
Molecular Formula: C35H48N10O15
Molecular Weight: 848.8 g/mol
Amino Acids: 9 residues
Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu

STORAGE REQUIREMENTS

Stability Information

Handle with care to maintain potencyLight sensitiveTemperature sensitive

Lyophilized (powder)-20°Cprotect from light

Reconstituted2-8°C

Stability15 minutes (plasma half-life)

product status

Development History

First isolated from rabbit brain in 1977 by Schoenenberger & Monnier

Discovery1977, SwitzerlandDiscoverersSchoenenberger & MonnierOriginRabbit mesodiencephalic ventricleINN NameEmideltideHuman Studies1980s-presentRegulatory Statuspremium productsOriginal discovery

Product Guides & References

Verified publications and source documentation

EUROPEAN JOURNAL OF ANAESTHESIOLOGY

DSIP

Every batch, independently verified.