Chemical Sourcing & Procurement

Aldrich® Market Select

Simplify small molecule library design with global access to more than 14 million chemicals for screening, synthesis, and discovery.

Search, Ship, and 
Screen—Simplified.

Searching, ordering, and tracking shipments of screening compounds are time-consuming tasks. Aldrich® Market Select streamlines your processes so you can focus on discovery—not logistics.

14M+

Chemicals
Available
to Order

8M+

Structures in
Self-Service
Portal

50+

Global
Suppliers

Expedite the Acquisition of Your Customized Library

Discover how easy it is to start building your screening compound or building block library with AMS today.

Find the Right
Compounds Fast

Upload structures or product lists to search by exact match, substructure, or similarity. Filter results by in-stock, chemical properties, and more.

Tailor Your Compound List

Sort and filter by chemical properties, availability, and price. Compile a custom list that fits your target quantity, budget, and project goals.

Customize Your Order Details

Request quotes for specific formats, quantities, or concentrations. Get tailored solutions with most quotes delivered within 72 hours.

Streamline Purchasing and Delivery

Place your order with ease. Shipments are tracked, customs-cleared, and compliant, with data provided in SDF and XLS formats for every delivery.

Benefits of SYNTHIA™ in Chemical Synthesis

From Virtual to Real

Turn your in-silico discoveries into tangible chemical libraries for testing

Customized for Your Success

Design libraries that perfectly match your therapeutic areas and research goals

Trusted Source, Global Reach

Access millions of high-quality, Sigma-Aldrich chemicals across the globe

Beyond the Catalog

Explore a wider range of building blocks through our extensive supplier network

Products

Explore Our Comprehensive Chemistry Portfolio

Le

Lead Discovery

Sy

Chemical Synthesis

Re

Reaction Optimization

Pu

Purfication & Analysis