
- 
    

    
    
    
    
    
    
    
    
    
        Custom Synthesis | Do Sender Chem
                
    
    
        
    
    
    
    
    
            
    
    
    
        
        Custom Synthesis | Do Sender Chem







    
    
        
        
            
                
                    [
                        
                    ](https://dosenderchem.com/)
                
            

            
                

                    [Markets ▼](https://dosenderchem.com/markets/)

                    - [Products ▼](https://dosenderchem.com/products/)

                    - [Careers ▼](https://dosenderchem.com/careers/)

                    - [Sustainability ▼](https://dosenderchem.com/sustainability/)

                    - [Company ▼](https://dosenderchem.com/company/)

                    - [News and Features ▼](https://dosenderchem.com/news/)

                

            

            
                [EN](https://dosenderchem.com/products/custom-synthesis)[DE](https://dosenderchem.com/de/products/custom-synthesis)                [Search](https://dosenderchem.com/product-search/)
                [Contact](https://dosenderchem.com/contact/)
            
        

        
        
            
                
                
                    
                        
## **Markets** and Applications

                        [Product search](https://dosenderchem.com/product-search/)
                        [Product Selector Tool](https://dosenderchem.com/product-selector/)
                    
                    
                        
#### Downloads

                        

                            - [Document search](https://dosenderchem.com/document-search/)

                            - [SDS search](https://dosenderchem.com/sds/)

                        

                    
                
                
                
                    
                    
                        
                            
#### Polymer specialties

                            

                                - [Acrylics production](https://dosenderchem.com/markets/acrylics-production/)

                                - [Polymer production](https://dosenderchem.com/markets/polymer-production/)

                                - [Polymer processing](https://dosenderchem.com/markets/polymer-processing/)

                                - [Polymer crosslinking](https://dosenderchem.com/markets/polymer-crosslinking/)

                                - [Polymer recycling and modification](https://dosenderchem.com/markets/polymer-recycling/)

                                - [Thermoset composites](https://dosenderchem.com/markets/thermoset-composites/)

                            

                        
                    
                    
                    
                        
                            
#### Other markets

                            

                                - [Battery](https://dosenderchem.com/markets/battery/)

                                - [Catalyst production](https://dosenderchem.com/markets/catalyst-production/)

                                - [Chemical intermediates](https://dosenderchem.com/markets/chemical-intermediates/)

                                - [Paints, coatings and inks](https://dosenderchem.com/markets/paints-coatings-inks/)

                                - [Fuels and lubricants](https://dosenderchem.com/markets/fuels-lubricants/)

                                - [Pharmaceutical industry](https://dosenderchem.com/markets/pharmaceutical-industry/)

                            

                        
                    
                
            
        

        
        
            
                
                
                    
                        
## Products and solutions

                        [Product search](https://dosenderchem.com/product-search/)
                        [Product Selector Tool](https://dosenderchem.com/product-selector/)
                    
                
                
                
                    
                        
                            
#### Polymer production and processing chemicals

                            

                                - [Metal alkyls and complex metalorganics](https://dosenderchem.com/products/metal-alkyls/)

                                - [Organic peroxides](https://dosenderchem.com/products/organic-peroxides/)

                                - [AZO Initiators](https://dosenderchem.com/products/azo-initiators/)

                                - [Polymer Agents](https://dosenderchem.com/products/polymer-agents/)

                            

                        
                        
                            
                                
#### Resources & Support

                                

                                    - [Document search](https://dosenderchem.com/document-search/)

                                    - [SDS Download Center](https://dosenderchem.com/sds/)

                                    - [Technical Support](https://dosenderchem.com/technical-support/)

                                    - [Custom Synthesis](https://dosenderchem.com/custom-synthesis/)

                                    - [Case Studies](https://dosenderchem.com/case-studies/)

                                

                            
                            
                                
#### Ordering & Logistics

                                

                                    - [How to Order](https://dosenderchem.com/purchasing-guide/)

                                    - [Packaging & Dangerous Goods](https://dosenderchem.com/packaging/)

                                    - [Shipping & Lead Time](https://dosenderchem.com/shipping-calculator/)

                                

                            
                            
                                
#### Product Tools

                                

                                    - [Interactive Product Finder](https://dosenderchem.com/finder-wizard/)

                                    - [Chemical Glossary](https://dosenderchem.com/glossary/)

                                

                            
                        
                    
                
            
        

        
        
            
                
                
                    
## Join an industry
leader

                    [Search jobs](https://dosenderchem.com/careers/vacancies/)
                

                
                
                    
#### Careers

                    

                        - [Why join us](https://dosenderchem.com/careers/why-join-us/)

                        - [How we hire](https://dosenderchem.com/careers/how-we-hire/)

                        - [Life @DoSenderChem](https://dosenderchem.com/careers/life-at-dosenderchem/)

                    

                

                
                
                    
#### For applicants

                    

                        - [Search our global careers opportunities](https://dosenderchem.com/careers/vacancies/)

                        - [Submit your resume](https://dosenderchem.com/careers/resume-submission/)

                        - [New applicants - Set up job alert](https://dosenderchem.com/careers/job-alerts/)

                        - [Contact our Careers team](https://dosenderchem.com/careers/contact-recruitment/)

                    

                

                
                
                    
                    
                        
Meet our Changemakers and experience working life @DoSenderChem

                    
                
            
        

        
        
            
                
                
                    
## Committed to a
sustainable
future

                

                
                
                    
#### Sustainability Approach

                    

                        - [Our Approach](https://dosenderchem.com/sustainability/our-approach/)

                        - [Safety & Environment](https://dosenderchem.com/sustainability/safety-environment/)

                        - [Grow & Innovate](https://dosenderchem.com/sustainability/grow-innovate/)

                        - [Engage & Partner](https://dosenderchem.com/sustainability/engage-partner/)

                        - [Sustainability Targets](https://dosenderchem.com/sustainability/targets/)

                        - [Materiality Assessment](https://dosenderchem.com/sustainability/materiality/)

                        - [Memberships & Partnerships](https://dosenderchem.com/sustainability/memberships/)

                        - [Sustainable Development Goals](https://dosenderchem.com/sustainability/sdgs/)

                    

                

                
                
                    
#### Environmental Performance

                    

                        - [Mitigating Climate Change](https://dosenderchem.com/sustainability/climate-change/)

                        - [Eco-Efficiency & Circularity](https://dosenderchem.com/sustainability/eco-efficiency/)

                        - [Sustainable Sourcing](https://dosenderchem.com/company/sustainable-sourcing/)

                        - [Product Stewardship](https://dosenderchem.com/sustainability/product-stewardship/)

                    

                

                
                
                    
#### Social Engagement

                    

                        - [Corporate Social Responsibility](https://dosenderchem.com/sustainability/csr/)

                        - [Safety Program & Performance](https://dosenderchem.com/sustainability/safety-performance/)

                    

                    
#### Governance & Reporting

                    

                        - [Downloads & Policies](https://dosenderchem.com/sustainability/downloads/)

                    

                

                
                
                    
                    
                        
Explore our sustainability journey

                    
                
            
        

        
        
            
                
                
                    
## A global
specialty
chemicals
leader

                    
                        [
                            
                            
                                Do Sender Chem's World - Join our animated experience
                            
                        ](https://dosenderchem.com/our-world/)
                    
                

                
                
                    
#### Strategy and values

                    

                        - [Strategy](https://dosenderchem.com/company/strategy/)

                        - [Values and conduct](https://dosenderchem.com/company/values-and-conduct/)

                        - [Ethics hotline](https://dosenderchem.com/company/ethics-hotline/)

                        - [Corporate Social Responsibility](https://dosenderchem.com/company/corporate-social-responsibility/)

                        - [Position statements](https://dosenderchem.com/company/position-statements/)

                    

                

                
                
                    
#### Innovation

                    

                        - [Innovation](https://dosenderchem.com/company/innovation/)

                        - [Partnerships](https://dosenderchem.com/company/partnerships/)

                    

                

                
                
                    
#### Procurement

                    

                        - [Sustainable sourcing](https://dosenderchem.com/company/sustainable-sourcing/)

                        - [Procurement](https://dosenderchem.com/company/procurement/)

                    

                

                
                
                    
#### More About Us

                    

                        - [Logistics](https://dosenderchem.com/company/logistics/)

                        - [Safety](https://dosenderchem.com/company/safety/)

                        - [Quality](https://dosenderchem.com/company/quality-system/)

                        - [Samples](https://dosenderchem.com/company/samples/)

                        - [Milestone](https://dosenderchem.com/company/milestone/)

                        - [Team](https://dosenderchem.com/company/team/)

                        - [Core Facilities](https://dosenderchem.com/company/core-facilities/)

                        - [Certificates](https://dosenderchem.com/company/certificates/)

                        - [Distributor Locator](https://dosenderchem.com/distributors/)

                        - [FAQ Center](https://dosenderchem.com/faq/)

                        - [Regulatory Compliance](https://dosenderchem.com/regulatory/)

                        - [Emergency Response](https://dosenderchem.com/emergency-response/)

                        - [R&D & Innovation Center](https://dosenderchem.com/rd-innovation/)

                    

                

                
                
                    
#### Download

                    

                        - [Brochures](https://dosenderchem.com/company/brochures/)

                    

                
            
        

        
        
            
                
                
                    
## Keep up-to-date on our news

                    [Subscribe](https://dosenderchem.com/news/subscribe/)
                

                
                
                    
                        
#### News and events

                        

                            - [News and press releases](https://dosenderchem.com/news-and-events/news-overview/)

                            - [Events](https://dosenderchem.com/news-and-events/events/)

                            - [Features](https://dosenderchem.com/news-and-events/features-overview/)

                            - [Video Center](https://dosenderchem.com/videos/)

                            - [Knowledge Center](https://dosenderchem.com/knowledge-center/)

                            - [Technical Insights](https://dosenderchem.com/insights/)

                            - [Events Calendar](https://dosenderchem.com/events-calendar/)

                        

                    
                    
                        
#### In Social Media

                        

                            - [Do Sender Chem @LinkedIn](https://www.linkedin.com/company/dosenderchem/)

                            - [@DoSenderChem on Twitter](https://twitter.com/dosenderchem)

                        

                    
                
            
        

        
            
            
            
        
    

    
    











    
        
            
# Custom Synthesis
& **Toll Manufacturing**

            
Leverage our advanced manufacturing infrastructure and expertise for your custom chemical synthesis needs. From lab-scale development to commercial production, we deliver tailored solutions.

            
                [Our Capabilities](#capabilities)
                [Start a Project](#contact-form)
            
        
        
            
        
    





    
        
            [
](https://dosenderchem.com/)
            ›
            [Home](https://dosenderchem.com/)
            ›
            [Products](/products/)
            ›
            Custom Synthesis & Toll Manufacturing
        
    





    
        
            Custom Solutions
            
## Manufacturing **Capabilities**

            
Do Sender Chem offers custom synthesis and toll manufacturing services for organic peroxides, AZO compounds, and related specialty chemicals.

        
        
            
                
With decades of experience in peroxide chemistry and polymer additives, we provide end-to-end custom manufacturing services. From process development and scale-up to commercial production and packaging, our experienced team ensures consistent quality and regulatory compliance.

                
We serve clients across the polymer, pharmaceutical, coatings, and specialty chemical industries, offering flexible batch sizes and rapid turnaround times.

            
            
                
            
        
    




    
        
            Why Choose Us
            
## Key **Advantages**

        
        
            
                🔬
                
### Expert Chemistry

                
Specialized expertise in organic peroxides, AZO chemistry, and metal organic compounds. PhD-level R&D team.

            
            
                🏭
                
### Flexible Scale

                
From 1 kg lab batches to multi-ton commercial production. Multiple reactor systems from 50L to 10,000L.

            
            
                🔒
                
### IP Protection

                
Full confidentiality agreements and IP protection. Your formulations and processes remain exclusively yours.

            
            
                📋
                
### Full Documentation

                
Complete analytical support: HPLC, GC, NMR, DSC, TGA. Detailed COA, process documentation, and regulatory support.

            
            
                🌐
                
### Regulatory Compliance

                
REACH, GHS, ISO 9001 compliant. Full dangerous goods handling and transport certification.

            
            
                ⏳
                
### Fast Turnaround

                
Rapid process development and scale-up. Typical project timeline: 4-12 weeks from inquiry to first delivery.

            
        
    




    
        
            How It Works
            
## Project **Workflow**

        
        
            
                1
                
### Feasibility

                
Share your target molecule or specification. Our R&D team evaluates synthetic routes and provides a feasibility report.

            
            
                2
                
### Lab Development

                
Small-scale synthesis (1-100g) with analytical characterization. Process optimization for yield and purity.

            
            
                3
                
### Scale-Up

                
Pilot-scale production (1-50 kg) in our kilo lab. Process validation, safety assessment, and quality control.

            
            
                4
                
### Commercial

                
Full-scale manufacturing with ongoing QC. Custom packaging and global shipping per your specifications.

            
        
    




    
        
            Get Started
            
## Start a **Project**

            
Tell us about your custom synthesis requirements. All inquiries are treated with strict confidentiality.

        

        
        
                        
### Project Inquiry Form

            
                
                    Target Compound / Specification *
                    
                
                
                    Required Quantity *
                    
                
                
                    Full Name *
                    
                
                
                    Company *
                    
                
                
                    Email *
                    
                
                
                    Phone
                    
                
                
                    Project Details & Timeline
                    
                
            
            Submit Project Inquiry
        
    




    

    
    
    
        
            
                
                    [
                        
                    ](https://dosenderchem.com/)
                    
Together, with us to shape a better tomorrow.

                    
                        [LinkedIn](https://www.linkedin.com/company/dosenderchem/)
                        [Facebook](https://www.facebook.com/dosenderchem/)
                        [X](https://x.com/dosenderchem)
                        [YouTube](https://www.youtube.com/@DoSenderChem)
                    
                
                
                    

                        - [Documents](https://dosenderchem.com/document-search/)

                        - [Product search](https://dosenderchem.com/product-search/)

                        - [Contact](https://dosenderchem.com/contact/)

                    

                
            
            
                
                    [Privacy Statement](https://dosenderchem.com/privacy-statement/)
                    [Terms of Use](https://dosenderchem.com/terms-of-use/)
                    [Conditions of Sale](https://dosenderchem.com/conditions-of-sale/)
                    [Cookie Settings](https://dosenderchem.com/cookie-settings/)
                
                
 Do Sender Chem All rights reserved.

            
        
    

    
    ↑