Crown Peptides

Research Peptides

DSIP Research Peptide

A high-purity research peptide studied in sleep research. Available in 5mg and 10mg, with every batch independently tested and dispatched from the UK.

£24.99
From: £24.99
Your selection:
Batch level verified
All Batches TestedEvery batch, no exceptions
HPLC & MS VerifiedFull certificate published
Same Day PostageOrder before 2pm
UK Based CompanyDispatched from the UK
Product Overview

A high-purity research peptide studied in sleep research. Available in 5mg and 10mg, with every batch independently tested and dispatched from the UK.

Full Product Specification
Overview

Product Overview

DSIP peptide UK is Crown Peptides' synthetic nonapeptide known as Delta Sleep-Inducing Peptide, available in 5mg and 10mg strengths for laboratory research.

5mg & 10mgAvailable strengthsHPLC testedChromatographic purityMS verifiedIdentity confirmedBatch CoADocumentation supplied

Supplied for laboratory research purposes only — not for human consumption or for medical, veterinary or diagnostic use.

Key features

Key Features

  • Studied in research involving sleep and arousal research
  • Studied in research involving stress-response pathways
  • Studied in research involving neuroendocrine signalling
  • Studied in research involving circadian-related experimental models
  • Batch-specific quality documentation available
Background

About DSIP Peptide UK

DSIP, or Delta Sleep-Inducing Peptide, is a short synthetic peptide originally isolated in association with sleep-related neurophysiology. It has since been used in experimental research examining sleep-wake regulation, stress responses and neuroendocrine signalling.

Research

DSIP Research

DSIP literature spans several areas of neurobiology, including sleep architecture, circadian-related processes, stress-response pathways, pain-related experimental models and endocrine regulation — described in one comprehensive review as a still unresolved riddle spanning decades of neurophysiological research (Learn more). Results across models have been variable, which makes DSIP particularly relevant as an exploratory research compound rather than a peptide with a single established biological function, alongside other neuro-research peptides such as [Selank].

  • Sleep and arousal research
  • Stress-response pathways
  • Neuroendocrine signalling
  • Circadian-related experimental models
Specifications

Specifications

Product
DSIP
Classification
Synthetic nonapeptide known as Delta Sleep-Inducing Peptide
Available strengths
5mg and 10mg
CAS number
62568-57-4
Molecular weight
848.81 g/mol
Molecular formula
C35H48N10O15
Sequence
Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE)
Form
Research material supplied according to product label
Purity and assay
99% (HPLC), batch-specific — refer to Certificate of Analysis
Verification
HPLC and Mass Spectrometry where analytically appropriate

Compound-level reference data. Batch-specific results appear on the Certificate of Analysis.

Work out concentration with the peptide calculator
Testing

Purity and Testing

Crown Peptides DSIP is supplied for controlled laboratory research with batch-specific analytical documentation. High-Performance Liquid Chromatography (HPLC) can assess chromatographic purity, while Mass Spectrometry provides molecular information used to support identity verification.

The batch-specific Certificate of Analysis is the definitive source for the exact purity result, identity data and analytical specification of the material supplied.

Storage

Storage Conditions

  • Store unreconstituted material at -20°C ± 5°C in a cool, dry environment
  • Prepared research solutions should use validated storage conditions appropriate to the compound and study design
  • Protect from unnecessary heat, direct light and repeated temperature fluctuations
Full storage guide
Related

Related Compounds

Researchers working with DSIP may also be interested in [Selank], [Semax], [VIP], [Kisspeptin-10] and [Sermorelin] — other neuroactive and neuroendocrine peptides studied in related signalling research.

Compliance

Research Use Only

  • Laboratory research only
  • Not for human or clinical use
  • Not for human or veterinary consumption
  • Qualified personnel only
Questions

DSIP Frequently Asked Questions

What does DSIP stand for?

DSIP stands for Delta Sleep-Inducing Peptide, supplied by Crown Peptides in 5mg and 10mg strengths.

What is DSIP researched for?

Research has included sleep-wake biology, stress responses, circadian-related processes and neuroendocrine signalling.

Are DSIP research findings consistent across all models?

No. Findings have varied considerably between experimental systems, so the peptide should be described as an exploratory research compound rather than having one established effect.

How is DSIP verified?

HPLC and Mass Spectrometry can be used to assess peptide purity and molecular identity, with the batch-specific CoA providing the exact results.

Read the batch certificate before you order

Every batch is published openly — identity, purity and batch number, with no account needed.

View lab reports

Supplied for laboratory research purposes only — not for human consumption or for medical, veterinary or diagnostic use.

All Batches Purity Tested

Each batch undergoes internal analytical verification using chromatographic and spectrometric methods prior to lyophilisation.

• HPLC Analysis
• Mass Spectrometry Confirmation
• Batch Traceability

For Research Use Only

By purchasing this product you confirm that you are a qualified researcher and that this compound will be used exclusively for laboratory research purposes.

Not for Human Consumption

This product is not intended for diagnostic or therapeutic use.

Any human or medical use is strictly prohibited.

Store Safely at All Times

Store in a cool, dry, secure and sterile environment away from any unauthorised persons or children.

Other Research Peptides

5-Amino-1MQ research compound UK 10mg and 50mg vial - Crown Peptides
≥99% PURITY
HPLC & MS TESTED
5-Amino-1MQ Research Compound
From: £24.99

Buy Now

AHK-Cu 100mg research peptide vial – Crown Peptides UK
≥99% PURITY
HPLC & MS TESTED
AHK-Cu Research Peptide
From: £29.99

Buy Now

AOD-9604
≥99% PURITY
HPLC & MS TESTED
AOD-9604 Research Peptide
From: £34.99

Buy Now

ARA-290 research peptide UK 10mg vial - Crown Peptides
≥99% PURITY
HPLC & MS TESTED
ARA-290 Research Peptide
From: £39.99

Buy Now

Completed Orders
0 +
VERIFIED PURITY
0 +%
UK Research Supplier
No. 0
ORDER DISPATCH
0 hr

Further reading

SUPPORT Mon to Fri, 9am to 5pmDISPATCH Cut-off 2pmEMAIL Info@crownpeptides.co.ukWHATSAPP +44 7301 802654

Disclaimer: All products are sold strictly for laboratory research purposes only. Not for human or veterinary use, consumption, therapeutic, or diagnostic application. By purchasing, you confirm you are a qualified professional and legally permitted to handle these materials in compliance with all applicable laws and regulations. Misuse, resale for unauthorised purposes, or unlawful application is strictly prohibited. Crown Peptides UK disclaims all liability for improper use, handling, or regulatory non-compliance.

© 2026 Crown Peptides UK, a trading name of Crown Peptides Ltd (company no. 17068950), Suite Ra01, 195-197 Wood Street, London E17 3NU . All Rights Reserved.