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Pyroglutamyl-Glutamyl-Asparaginyl-Glycine CAS NO 91856-42-7
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CAS No.:91856-42-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Pyroglutamyl-Glutamyl-Asparaginyl-Glycine is a synthetic tetrapeptide with the sequence pGlu-Glu-Asn-Gly. This compound is a valuable biochemical tool and a key intermediate in peptide synthesis and research. It is primarily utilized in the pharmaceutical and biotechnology sectors for the development of novel therapeutic agents, diagnostic tools, and as a reference standard. The product is supplied under stringent quality control to ensure consistency and reliability for critical research and manufacturing applications.
Application
- Pharmaceutical Intermediate: Serves as a key building block in the synthesis of longer, more complex peptide-based drugs and active pharmaceutical ingredients (APIs).
- Biochemical Research: Used as a reference standard, substrate, or inhibitor in enzymatic studies and metabolic pathway investigations.
- Cosmeceutical Development: Incorporated into research for bioactive peptides aimed at skincare formulations for anti-aging or skin barrier repair.
- Diagnostic Reagent Component: Employed in the development of immunoassays and other diagnostic kits where specific peptide sequences are required.
- Cell Culture & Media Supplement: Investigated for use in specialized cell culture media to study cell signaling and growth factors.
- Neuroscience Research: Applied in studies related to neuropeptides and their role in neurological functions and disorders.
Basic Information
| Product Name | Pyroglutamyl-Glutamyl-Asparaginyl-Glycine |
| CAS No. | 91856-42-7 |
| Molecular Formula | C17H25N5O10 |
| Molecular Weight | 459.41 g/mol |
| Synonyms | pGlu-Glu-Asn-Gly; Pyr-Glu-Glu-Asn-Gly-OH; L-Pyroglutamyl-L-glutamyl-L-asparaginyl-glycine; 5-Oxo-L-prolyl-L-α-glutamyl-L-asparaginylglycine; Tetrapeptide pGlu-Glu-Asn-Gly; Glp-Glu-Asn-Gly; pGlu-Glu-Asn-Gly-OH; N-(N-(N-(N-L-Pyroglutamyl-L-α-glutamyl)-L-asparaginyl)glycine |
| EINECS | Contact for details |
Quality Control
Our Pyroglutamyl-Glutamyl-Asparaginyl-Glycine is manufactured under a quality management system and undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and development. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant guidelines for pharmaceutical intermediates and research chemicals.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption. For long-term storage, consider desiccants or inert atmosphere.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (HPLC/MS) | Conforms to structure |
| Identification (IR) | Conforms to reference |
| Assay (HPLC) | ≥ 95.0% |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 5.0% |
| Residue on Ignition | ≤ 1.0% |
| Heavy Metals | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






