Custom Synthesis
Purpose-built chemistry for your most demanding programs
Suzhou Henra partners with innovators to design, optimize, and scale complex molecules. From early feasibility to commercial manufacturing, our integrated chemistry, analytical, and quality teams keep your timelines and specifications aligned.
Chemistry
Route design
Retrosynthetic planning, impurity control, and protecting group strategy tailored to your specifications and cost targets.
Scale-up
Process readiness
From gram to multi-kilogram with safety, reproducibility, and robust yield in mind.
Quality
Analytical rigor
Dedicated analytical scientists validate purity, profile impurities, and deliver clear documentation.
What we handle
Our teams work across diverse chemistries and molecular types, with an emphasis on difficult-to-source intermediates and multi-step sequences.
- Pharmaceutical intermediates and API building blocks
- Heterocycles, chiral compounds, and complex scaffolds
- Multi-step process development and impurity profiling
- Route scouting and cost-optimized synthesis
- Custom specifications for purity, particle size, and form
Step 01
Project brief
Scope, target profile, and timelines aligned with your team.
Step 02
Route strategy
Feasibility experiments, risk assessment, and cost modeling.
Step 03
Scale-up
Process optimization and control strategy for reproducibility.
Step 04
Delivery
Final release testing, reporting, and logistics coordination.
Quality & compliance
We operate under a structured quality management system, with traceability from raw materials through final release.
- Documented batch records and analytical reports
- Change control and deviation tracking
- Specification alignment

Build your next synthesis roadmap with us
Share your target structure, purity expectations, and desired quantities. We will provide a tailored proposal with timelines and deliverables.
We respond within 1-2 business days.
