DSIP literally stands for Delta Sleep-Inducing Peptide. That name sounds definitive — but the science is more complicated.
For laboratories and professional B2B buyers, DSIP should be evaluated as a defined research peptide, not as a guaranteed “sleep compound.”
That starts with verifying its sequence, identity, purity and batch documentation.
What Is DSIP?
DSIP (Delta Sleep-Inducing Peptide, CAS 62568-57-4) is a synthetic nonapeptide containing nine amino acids.
It is also searched under names such as:
- Delta Sleep-Inducing Peptide;
- Delta Sleep Inducing Peptide;
- DSIP peptide;
- DSIP nonapeptide;
- Emideltide.
Its amino-acid sequence is:
WAGGDASGE
DSIP has historically been investigated in laboratory research involving:
- sleep architecture;
- slow-wave or delta-sleep research;
- neuroendocrine signaling;
- stress-response pathways;
- peptide neuromodulation;
- circadian-related research.
Does DSIP Really “Induce Sleep”?
The name can be misleading if taken too literally.
Early experimental studies reported sleep-related effects in animal models and some human investigations.
However, much of the core scientific literature on DSIP dates back several decades, and reviews have noted that its physiological functions and mechanisms remain incompletely established.
In other words:
DSIP has a research history in sleep biology, but its name should not be treated as proof of predictable sleep effects.
That distinction is important for responsible scientific communication.
What Do DSIP Reviews Say?
Online experiences are highly mixed.
Some users report perceived changes involving:
- deeper sleep;
- increased REM or slow-wave sleep;
- more vivid dreams;
- feeling more rested after waking.
Other users report:
- no noticeable change;
- difficulty falling asleep;
- reduced sleep quality;
- unusually prolonged wakefulness.
These experiences are anecdotal.
Product identity, purity, concurrent substances, baseline sleep disorders and other variables are rarely controlled in online reviews.
User testimonials therefore cannot establish DSIP efficacy, safety or product quality.
Choosing a DSIP Supplier: What Should B2B Buyers Verify?
1. Confirm the Exact Sequence
A professional DSIP specification should identify the expected nine-amino-acid sequence:
Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu — WAGGDASGE
This helps distinguish molecular identity from a simple product label.
2. Review HPLC Purity
DSIP HPLC analysis provides information about chromatographic purity and peptide-related impurities.
However:
99% HPLC purity does not independently prove that the principal peak is DSIP.
3. Review MS or LC-MS Identity Data
Where available, DSIP LC-MS or mass spectrometry can provide additional support for the expected molecular identity.
For professional research procurement, identity and purity should be evaluated together.
4. Request a Batch-Specific COA
A useful DSIP Certificate of Analysis should correspond to the actual manufacturing lot.
Depending on the research application, professional buyers may consider reviewing:
- HPLC purity;
- MS or LC-MS identity;
- amino-acid sequence;
- molecular weight;
- batch/lot number;
- SDS;
- storage specification;
- relevant impurity information.
DSIP Research Peptide from Sunone
Sunone (Hong Kong) Biopharmaceutical International Technology Co., Limited supplies DSIP for qualified laboratory research, analytical development and manufacturing applications.
Current product information includes:
Product: DSIP
Full Name: Delta Sleep-Inducing Peptide
Synonyms: Emideltide / DSIP Nonapeptide
CAS: 62568-57-4
Sequence: WAGGDASGE
Molecular Formula: C35H48N10O15
Molecular Weight: 848.8 g/mol
Grade: Research Grade
Purity: ≥99% by HPLC
Form: Lyophilized Peptide
Storage: 2–8°C, protected from light
Documentation: COA, SDS and Specification Sheet available according to batch
Looking for a DSIP research peptide supplier with batch-specific analytical documentation?
View DSIP Specifications：
Send Sunone your required quantity, specification, packaging format and analytical-documentation requirements to discuss a B2B quotation.
DSIP FAQ
What does DSIP stand for?
DSIP stands for Delta Sleep-Inducing Peptide.
What is another name for DSIP?
DSIP is also known as Emideltide and Delta Sleep Inducing Peptide.
What is the sequence of DSIP?
The DSIP sequence is WAGGDASGE, a nine-amino-acid nonapeptide.
What is the CAS number for DSIP?
Sunone lists DSIP as CAS 62568-57-4.
Does 99% HPLC prove DSIP identity?
No. HPLC primarily evaluates chromatographic purity. Appropriate identity testing such as MS or LC-MS can provide additional molecular confirmation.
What should B2B buyers request from a DSIP supplier?
Professional buyers may consider requesting a batch-specific COA, HPLC chromatogram, MS/LC-MS identity data, sequence information, SDS and lot traceability.
This content is provided for scientific and educational purposes only. SUNONE research peptide is for qualified labrtorynt, diagnois, druc tor mmatct or veteimant, use.research only, Not for human consumption, clinical treame. Purchasers are responsible for complying with applicable laws and regulations in their jurisdiction.
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