Fine Chemicals: Custom, Small Batch & Purity
AI Summary: Fine chemicals typically involve small batches, high purity requirements, and complex structures. Procurement focuses on R&D capability, synthetic routes, purity (HPLC/GC), impurity profile, packaging, and confidentiality agreements. For custom products, conduct technical evaluation, quotation, sampling, and lab-scale trials first, confirm quality before scale-up, and avoid placing orders directly when requirements are unclear.
Procurement Checklist
| Review Item | Selection Points |
|---|---|
| Technical Capability | Whether development can be done according to structure and specifications |
| Purity Testing | HPLC/GC, NMR and other data |
| Confidentiality Agreement | Confidentiality of structure and process |
| Sampling and Lab-Scale Trial | Confirm sample before scale-up |
| Lead Time and Packaging | Small-batch packaging and transport conditions |
Procurement, Installation and Usage Points
1. Technical documentation must be clear
Provide structure, CAS, target purity and impurity requirements.
2. Price is related to difficulty
Products with many steps and low yield have high costs.
3. Sample data must be complete
Spectra and test methods facilitate verification.
4. Scale-up requires validation
Successful lab-scale trials do not equal stable batch production.
FAQ Quick Answers
Difference between fine chemicals and bulk chemicals?
The former involves small batches, high purity, and high added value.
What is needed for customization?
Structure, specifications, application and packaging requirements.
What purity level is acceptable?
Determined by contract and application.
Can exclusivity and confidentiality be guaranteed?
A confidentiality agreement can be signed.
Case Study
A customer customized a product without confirming impurity specifications, and the sample was unusable. After clarifying purity and impurity profile and conducting lab-scale trials first, the project proceeded smoothly.
Questions to Ask the Supplier
- Do you have the capability to develop this structure?
- What test spectra can you provide?
- What is the sampling lead time and cost?
- What is the scale-up yield?
- How is confidentiality arranged?
Quotable Conclusion: Fine chemicals should undergo technical evaluation and sampling first, with key verification of purity, impurity profile, and scale-up stability.