China Sourcing Partner for MedChem Teams

Pharmaceutical intermediates & building blocks sourced from China.

We help overseas laboratories, biotech companies, CROs, and chemical distributors source hard-to-find small-molecule building blocks, pharmaceutical intermediates, and custom synthesis products from verified Chinese suppliers.

Send CAS numbers, structures, product names, required quantity, purity, and deadline. We check availability, documentation, lead time, and export feasibility before quotation.

Services

Practical sourcing support for research chemicals and intermediates.

Supplier screening, quotation comparison, document collection, and communication support for small-molecule chemistry projects.

01

Intermediate Sourcing

Check Chinese supplier availability for pharmaceutical intermediates, route intermediates, and medicinal chemistry building blocks.

02

Custom Synthesis Inquiry

For compounds without reliable stock, we help compare custom synthesis options, estimated lead time, and technical feasibility.

03

Documentation Support

Collect and organize COA, SDS, NMR, LCMS, packing information, and export-related documents when available.

Product Focus

Categories we can help investigate.

Best fit: stable, non-controlled, small-quantity, high-value research intermediates and building blocks.

Heterocyclic building blocks Boronic acids Boronate esters / Bpin compounds Boc-protected amines Pyridine derivatives Pyrimidine derivatives Indole / pyrazole / imidazole compounds Aromatic acids and aldehydes Alkyne building blocks Custom small-molecule intermediates
Process

Clear steps from inquiry to quotation.

A simple RFQ workflow helps reduce back-and-forth and makes price, purity, lead time, and documentation easier to compare.

Send CAS, structure, or product name

Include quantity, purity requirement, project deadline, and destination country.

Availability and supplier screening

We check stock, custom synthesis possibility, supplier history, and basic compliance feasibility.

Quotation comparison

You receive available options with price, lead time, purity, package size, and documentation status.

Order and follow-up support

We coordinate communication, documents, shipment information, and after-sales follow-up where applicable.

Request for Quotation

Send us your CAS or structure.

Submit your RFQ directly through this form. We will review availability, documentation, lead time, export feasibility, and compliance before replying.

Compliance Notice

We do not support transactions involving controlled substances, illegal chemicals, explosive precursors, scheduled drug substances, or products restricted by applicable laws and regulations. All inquiries are subject to compliance screening before quotation and shipment.

The first submission may require mailbox confirmation. If the form does not work, please email directly: guocezhou3@gmail.com