ChiroBlock GmbH is a leading specialist in chemical custom synthesis and scientific chemical contract research, dedicated to turning innovative molecular ideas into reality.

Since 1999, we have partnered with customers in pharma, biotech, new materials, electronics, analytical labs, and academia — delivering bespoke synthetic solutions that empower your research and product development.

Ready to Bring Your Chemical Synthesis Project to Life?

Request Your Custom Quote Now

Submit your inquiry today — simply share your molecule structure, desired scale, and specifications, and we’ll respond with a detailed project plan and transparent free quote within days.

Protecting our customers’ intellectual property is fundamental to our work – ChiroBlock is happy to sign a CDA/NDA at any time, as confidential and trust-based collaboration is essential to delivering reliable chemical custom synthesis services.

Get Started → Send Your Request Now - Simply use our contact formular or send us an e-mail!

Would you like to gain a deeper understanding of chemical custom synthesis services?
Are you wondering which information is required to submit a synthesis request, or how a custom synthesis project is typically structured and executed? Do you need guidance on selecting suitable analytical methods to support your compound development?

ChiroBlock addresses these and other frequently asked questions, providing clear, expert insights into project workflows, required specifications, analytical strategies, and decision criteria—helping you move forward with confidence and clarity.

If you have any questions or would like to discuss your project in more detail, we would be happy to arrange a video meeting or a personal callback—simply contact us via our contact form, by phone, or by email to schedule a discussion at your convenience.

Why Choose ChiroBlock for Your Custom Synthesis Project?

Tailor-Made for Your Requirements

We provide high-quality, bespoke synthesis of complex compounds that are not commercially available, from mg to kg scale. Our services include first-time synthesis of novel molecules, reference compounds, labeled compounds, analytical standards, and specialized building blocks — precisely tailored to your specifications.

Innovative & Flexible Scientific Approach

Unlike providers limited to fixed technologies, we evaluate each project with an unbiased, innovation-driven mindset. Our expert chemists intelligently combine state-of-the-art synthetic methods — from photochemistry to enzymatic and flow chemistry — to find the optimal route for your molecule.

Decades of Proven Chemical Expertise

With more than 25 years of focus on synthetic chemistry and contract research, our team supports even high-risk projects with predictable cost models and fixed-price options. We help you reduce risk while accelerating timelines from concept to sample delivery.

Comprehensive Support Beyond Synthesis

From route scouting and process optimization to scalable synthesis protocols and risk assessment, our services support you through critical stages of development — ensuring high reliability and transparency every step of the way.

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Our Chemical Custom Synthesis Capabilities

ChiroBlock delivers chemical custom synthesis at any required scale – from just a few milligrams for early-stage research up to several hundred kilograms per year of fully customized compounds, reliably and tailored to your project needs.

First-Time Custom Molecule Synthesis – Provide your structure, and we make molecules that don’t exist commercially.

Reference Standards & Specialized Reagents – Essential tools for analytical labs and R&D teams.

Labelled & Functionalized Compounds – For advanced research, imaging, and analytical workflows.

Route Scouting & Optimization Services – Improve efficiency, reduce steps, and overcome synthesis challenges.

Scale-Up Support & Supply Chain Services – From lab-scale success to consistent supply.

Proven Facilities, Modern Labs & Dedicated Team

ChiroBlock operates fully equipped synthesis laboratories and kilo-labs with cutting-edge infrastructure that supports challenging custom synthesis workflows and analytical quality assurance. This allows us to deliver robust solutions tailored to your needs with strict confidentiality and scientific excellence.

ChiroBlock — Your Trusted Partner for Chemical Custom Synthesis

Stay informed and inspired – discover chemical custom synthesis with ChiroBlock on YouTube.

Explore real-world insights, expert explanations, and behind-the-scenes perspectives from ChiroBlock on our YouTube channel. Learn more about modern chemical custom synthesis, innovative synthetic strategies, scale-up challenges, and how complex molecules are transformed from idea to reality.

Watch, learn, and stay ahead – subscribe to the ChiroBlock YouTube channel to gain valuable knowledge directly from experienced chemists and contract research experts.

Start exploring now and deepen your understanding of chemical custom synthesis with ChiroBlock.