Products Description

DSIP Peptide Powder is a synthetic nonapeptide also known as Delta Sleep-Inducing Peptide (DSIP) or Emideltide. Composed of nine amino acids, DSIP is a short-chain peptide with a well-defined peptide sequence and molecular structure. It is typically supplied in a lyophilized powder form and generally appears as a white to off-white powder. DSIP was initially identified through research related to sleep physiology and has since attracted continued scientific interest in areas including sleep regulation, neuropeptide signaling, biological rhythms, neurotransmitter activity, stress responses, and neuroendocrine processes. With its clearly defined peptide structure and established research background, DSIP Peptide Powder remains a well-characterized peptide material for research involving sleep-related physiology and neurobiological mechanisms. As a DSIP peptide supplier, we provide research-grade peptide materials for B2B research and development projects.

Research Areas of DSIP

DSIP Peptide Powder has an established research background and has been investigated across several areas, including sleep physiology, neuroscience, biological rhythms, and neuroendocrine research.

1. Sleep and EEG Research

Early research on DSIP focused on its relationship with sleep states and brain electrical activity. Today, DSIP remains relevant to research involving slow-wave sleep, delta-wave activity, and the physiological mechanisms associated with different sleep stages.

2. Neuroscience Research

As a short-chain neuropeptide, DSIP is studied in neuroscience research involving neuropeptide signaling, neuronal activity, and interactions between peptide molecules and biological targets. It can serve as a research material for projects exploring peptide-related mechanisms in the nervous system.

3. Circadian Rhythm and Stress Research

DSIP has also been investigated in relation to biological rhythms and stress responses. Research in this area may examine the relationship between DSIP, circadian activity patterns, physiological stress responses, and related regulatory mechanisms.

4. Neuroendocrine and Peptide Research

Research involving DSIP also extends to neuroendocrine activity and related physiological mechanisms. With its well-defined nine-amino-acid sequence and molecular structure, DSIP Peptide Powder can also be incorporated into peptide analysis, stability studies, and research-oriented development projects.

Quality Control

The quality control system for DSIP Peptide Powder covers the entire production cycle, from raw material inspection and in-process control to finished product testing and batch release. Supported by an internal QC Lab, analytical testing equipment, and batch-specific Certificate of Analysis (COA) documentation, this integrated approach helps maintain consistent product quality and provides customers with clear quality information. Third-party testing support can also be arranged when required for specific projects or quality verification.

1. Raw Material Inspection & In-Process QC

Before production, incoming raw materials are inspected to verify their identity, purity, and other relevant quality attributes. During manufacturing, In-Process QC is applied to key stages such as peptide synthesis, purification, concentration, and lyophilization. Monitoring critical process parameters helps reduce batch-to-batch variation and provides a controlled foundation for consistent DSIP peptide quality.

2. Finished Product Testing

After production, each batch of DSIP Peptide Powder undergoes finished product quality evaluation according to established quality standards. Key testing parameters may include purity, related impurities, microbial limits, heavy metals, and residual substances. Depending on the testing requirements, analytical techniques such as HPLC, LC-MS, and GC-MS can be used to evaluate product purity, molecular characteristics, and other relevant quality attributes.

3. COA & Batch Quality Documentation

Following finished product testing and quality review, a Certificate of Analysis (COA) is provided for the corresponding batch. The COA records key product identification information and quality parameters, allowing customers to review the quality profile of a specific batch and support their internal quality assessment.

COA Item	DSIP Peptide Powder
Product Name	DSIP Peptide Powder
Full Name	Delta Sleep-Inducing Peptide
Synonym	Emideltide
CAS No.	62568-57-4
Peptide Type	Synthetic Nonapeptide
Peptide Length	9 Amino Acids
Amino Acid Sequence	WAGGDASGE
Molecular Formula	C35H48N10O15
Molecular Weight	Approx. 848.8 g/mol
Physical Form	Lyophilized Powder
Appearance	White to Off-White Powder
Purity	≥98%*
Quality Document	COA Available

*Actual purity results are subject to the COA of the specific production batch.

4. QC Lab & Third-Party Testing Support

Our QC Lab supports routine quality testing, analytical data review, and batch quality management for DSIP Peptide Powder. HPLC, LC-MS, and GC-MS capabilities can be applied according to the specific testing requirements, providing analytical support throughout the quality control process. For customer projects requiring additional verification, we can also coordinate with qualified third-party laboratories for independent testing and provide relevant quality documentation such as COA and SDS.

From incoming raw material inspection and In-Process QC to finished product testing, COA documentation, laboratory analysis, and third-party verification, this multi-stage quality control approach provides customers with greater visibility into DSIP Peptide Powder quality, batch consistency, and testing support.

R&D Capability

1. Experienced R&D Team & Technical Platform

Supported by an experienced R&D team with 15 years of industry expertise, we have capabilities in peptide synthesis, purification, analytical testing, process optimization, and product development. Our technical platform provides ongoing R&D support for DSIP Peptide Powder and other peptide-based products.

2. Custom Formulation & Product Optimization

As a DSIP peptide manufacturer, we support Custom Formulation, active ingredient optimization, process development, and Stability Testing based on specific project requirements. Our R&D capabilities allow us to support customized product development and technical optimization rather than providing standard processing alone.

3. Continuous Innovation & New Product Development

We maintain an ongoing focus on product innovation and new product development. Our R&D team introduces one new product series each month, supporting continuous expansion and optimization of our product portfolio. We also support technical cooperation and industry-academia-research collaboration where appropriate, creating opportunities for new peptide development, process improvement, and technology transfer.

Packaging & Storage

DSIP Peptide Powder is supplied as a lyophilized powder and packaged in suitable sealed containers to help protect the product from moisture, light, and external contamination during storage and transportation.

Packaging

Packaging can be arranged according to product quantity, transportation requirements, and customer specifications. Bulk packaging and customized packaging solutions are available for different B2B supply and OEM/ODM projects.

Storage

DSIP Peptide Powder should be stored in a tightly sealed container in a cool, dry, and light-protected environment. Avoid excessive moisture, direct light, and unnecessary exposure to air. Proper storage and handling help maintain product quality and stability throughout its intended storage period.

Transportation

During shipment, appropriate protective packaging is used to reduce the risk of moisture exposure, physical damage, and environmental impact. Packaging and transportation arrangements can be coordinated according to order quantity and destination requirements.

Why Choose Us ?

1. Integrated Manufacturing & R&D

We integrate manufacturing, R&D, quality control, and B2B supply, providing reliable support for DSIP and other peptide projects. Our experienced R&D team supports process optimization, product development, and technical improvement.

2. Reliable Quality Control

DSIP is managed through raw material inspection, in-process QC, finished product testing, and batch-specific COA documentation. HPLC and LC-MS can be applied according to project requirements to support quality verification and batch consistency.

3. Flexible OEM & ODM Services

As an experienced DSIP manufacturer, we provide flexible OEM and ODM services, including formulation development, process adjustment, packaging, and finished-product production. Customized solutions can be developed according to specific product and quality requirements.

4. Stable B2B Supply

We support DSIP peptide bulk supply, customized development, and long-term B2B cooperation. From product sourcing and quality verification to customized production, our integrated supply capabilities help simplify the procurement and product development process.

FAQ

Q: How is the purity and quality of DSIP verified?

A: DSIP undergoes raw material inspection, in-process quality control, and finished product testing. Depending on testing requirements, analytical methods such as HPLC and LC-MS can be used to evaluate peptide purity, molecular characteristics, and other key quality attributes. Batch-specific COA documentation can also be provided with the corresponding analytical results.

Q: Can DSIP support customized product development?

A: Yes. We support Custom Formulation and customized product development based on specific project requirements. Our R&D team can provide technical support for formulation composition, manufacturing processes, quality requirements, and product-related adjustments to meet different peptide development projects.

Q: How is process consistency maintained from DSIP development to commercial-scale production?

A: Process consistency is supported through R&D process validation, critical process parameter control, and batch quality testing. Development-stage processes are evaluated and optimized before scale-up, while in-process QC and finished product testing are applied during production to help minimize batch-to-batch variation and maintain consistent DSIP quality.

Looking for a reliable DSIP Peptide Powder Supplier? Contact us today for customized OEM/ODM solutions, competitive pricing, and bulk supply support.

My email：sales4@lymallpanda.com

WhatsApp：+86 15353955739

References & Scientific Literature

Schoenenberger GA, et al. The delta EEG (sleep)-inducing peptide (DSIP): Amino-acid analysis, sequence, synthesis and activity of the nonapeptide. Pflügers Archiv, 1978. PubMed
Graf MV, Kastin AJ. Delta-sleep-inducing peptide (DSIP): A review. Neuroscience & Biobehavioral Reviews, 1984. PubMed