Product Details

CasNo： 1118767-16-0

Molecular Formula： C43H79N3O13

Appearance： Colourless to light yellow liquid or solid

Delivery Time： Depends on order quantity, documentation requirements, and project specifications

Packing： Available in research-scale and customized packaging according to customer requirements

Throughput： Custom production capacity available according to project require

Purity： ≥95%

Product Overview

tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu (CAS 1118767-16-0) is a protected peptide synthesis intermediate designed for research and development applications involving peptide assembly, side-chain modification studies, and synthetic route evaluation.

The molecule contains a protected glutamic acid segment, an AEEA-AEEA linker structure, and a long-chain fatty acid-derived moiety. This structural combination makes it relevant to research involving lipidated peptide intermediates, linker optimization, and protected peptide building blocks.

As a Semaglutide-related peptide intermediate, tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu can support research projects focused on peptide side-chain construction, coupling strategy evaluation, deprotection studies, and analytical method development.

Shandong Juntai Pharmaceutical Co., Ltd. provides COA, technical documentation, sample evaluation support, and custom synthesis services for qualified peptide intermediate projects.

For research and development use only. Not for human or veterinary use.

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Basic Information

Item	Specification
Product Name	tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu
CAS Number	1118767-16-0
Product Type	Peptide synthesis intermediate
Product Category	Peptide intermediates
Application Area	Semaglutide-related peptide synthesis research
Molecular Formula	C43H79N3O13
Molecular Weight	846.1 g/mol
Appearance	Colourless to light yellow liquid or solid
pH	2.5–4.5
Assay	95.0%–105.0%
Total Related Substances	≤3.0%
Water Content	≤3.0%
Storage Condition	Keep tightly closed in a dark and cool place at 2–8°C
Documentation	COA and related technical documents available
Service Support	Sample evaluation and custom synthesis support available

The above specifications are based on the current quality documentation. Batch-specific analytical results should be confirmed according to the applicable COA. tBuO-Ste-γ-Glu(AEEA-AEEA-OH)-Ot…

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Product Features

Protected Structure for Peptide Synthesis Development

tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu contains protected functional groups designed for use in multi-step peptide synthesis research.

The protected structure allows researchers to evaluate coupling conditions, deprotection strategies, and intermediate conversion during peptide route development.

This makes the compound suitable for projects requiring controlled intermediate handling and synthetic process evaluation.

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AEEA-AEEA Linker Structure for Side-Chain Modification Studies

The AEEA-AEEA linker segment provides a flexible connection element within the molecule.

Linker structure optimization is an important consideration in peptide development, particularly for studies involving spatial arrangement, side-chain engineering, and lipidated peptide architectures.

This intermediate can support research involving AEEA-based linker integration and related peptide synthesis strategies.

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Lipidated Peptide Intermediate Research Value

The long-chain fatty acid-derived moiety provides structural relevance for lipidated peptide intermediate studies.

Research applications may include:

• Lipid modification strategy evaluation
• Side-chain construction studies
• Protected peptide intermediate development
• Coupling and purification process assessment

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Supported by Batch Quality Analysis

The current COA includes analytical evaluation of:

• Appearance
• Identification
• pH
• Related substances
• Assay
• Water content

The current batch complies with the applicable enterprise quality standard, with an assay result of 95.68%, total related substances of 1.34%, and water content of 0.28%. tBuO-Ste-γ-Glu(AEEA-AEEA-OH)-Ot…

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Research Applications

Semaglutide-Related Peptide Synthesis Research

tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu is a peptide synthesis intermediate associated with Semaglutide-related peptide research.

Within peptide development workflows, this type of protected intermediate can be used for:

Research Area	Description
Side-chain construction	Evaluation of protected side-chain design and assembly strategies
Coupling process development	Assessment of reaction conditions and coupling performance
Deprotection studies	Evaluation of protection group removal approaches
Process optimization	Intermediate route evaluation and synthesis improvement
Analytical development	Structural confirmation and impurity profile assessment

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Peptide Intermediate Development and Process Evaluation

This product may support research programs involving:

• Protected peptide intermediates
• AEEA-based linker structures
• Lipidated peptide development
• Multi-step peptide synthesis evaluation
• Intermediate stability and handling studies

The suitability of this intermediate should be evaluated according to the customer’s specific synthesis route, analytical requirements, and project objectives.

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Custom Synthesis and Technical Support

Peptide Intermediate Development Services

Shandong Juntai Pharmaceutical Co., Ltd. supports research and development projects involving peptide intermediates, protected amino acid derivatives, and complex molecular structures.

Available support includes:

• Sample evaluation
• COA and technical documentation
• Specification discussion
• Synthetic route communication
• Custom synthesis services
• Project scale-up evaluation

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Information Required for Project Evaluation

To support efficient project assessment, customers are encouraged to provide:

• Product name or target structure
• Required quantity
• Research stage
• Analytical documentation requirements
• Destination country

The technical team can then evaluate suitable supply and development solutions according to project requirements.

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Frequently Asked Questions

What quality documents are available for this peptide intermediate?

Batch-specific COA and related technical documentation can be provided according to customer project requirements.

These documents can support internal quality review, research records, and supplier evaluation processes.

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What information should be confirmed before purchasing this intermediate?

For complex peptide synthesis intermediates, customers typically evaluate:

• Batch analytical information
• Purity and related substance profile
• Documentation availability
• Storage requirements
• Supply capability

Specific evaluation criteria can be discussed according to the customer’s quality system.

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Can samples be provided before bulk cooperation?

Yes.

Sample evaluation can be discussed for qualified research and development projects. Customers may provide the required quantity and evaluation purpose to confirm suitable sample arrangements.

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Can Juntai support custom synthesis projects?

Yes.

Juntai provides custom synthesis support for qualified peptide intermediates and related complex structures. Technical feasibility, project requirements, and documentation needs can be reviewed before project confirmation.

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Is this product suitable for scale-up peptide synthesis projects?

Scale-up suitability depends on factors including synthesis route, quality requirements, process conditions, and project objectives.

Technical communication can be conducted to evaluate project requirements before larger-scale cooperation.

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What information should be included in an inquiry?

Customers are recommended to provide:

• Product name or CAS number
• Required quantity
• Delivery destination
• Documentation requirements
• Project background