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Start organic synthesis with Molport

Working on synthesis of new compounds, delivering a combinatorial chemistry project, or designing DNA Encoded Library? We offer a diverse range of in-stock building blocks in pack sizes from 50 mg to 10 kg with next-day delivery on many products.

56 Global Suppliers

482k Stock Building blocks

238k Made To Order Building Blocks

Know what’s available now

No more out-of-stock searches. We sync 50% of our building block inventory daily with suppliers to make sure we know exactly what’s in stock.

Purity you can rely on

Don’t compromise your project. When purity counts, 96% of our stock is 95%+ purity and sourced from fully-vetted suppliers.

Lead times that lead the way

Receive in-stock building blocks as quickly as the next day. Made-to-order lead times may take up to 30 days

Largest shop suppliers:

Fluorochem Limited
BLD Pharmatech Ltd.
MedChemExpress Europe
Chemscene
Synthonix

Aldlab
ChemDiv, Inc.
AK Scientific, Inc.
A1 BioChem Labs LLC
Apollo Scientific

Largest Chemical Classes:

Find and purchase building blocks via:

Online Search Tools

Start organic synthesis with Molport

Know what’s available now

Purity you can rely on

Lead times that lead the way

Largest shop suppliers:

Largest Chemical Classes:

Find and purchase building blocks via:

By CAS numbers, Molport IDs, supplier catalog numbers, etc.

Access contains price ranges, stock amount, QC method, lead time, etc.

Optimize longer list- immediate price offer, segment suppliers, apply chemical filters, etc

Integrate with your purchasing system for faster order processing

Start organic synthesis with Molport

Know what’s available now

Purity you can rely on

Lead times that lead the way

Largest shop suppliers:

Largest Chemical Classes:

Find and purchase building blocks via:

By CAS numbers, Molport IDs, supplier catalog numbers, etc.

Access contains price ranges, stock amount, QC method, lead time, etc.

Optimize longer list- immediate price offer, segment suppliers, apply chemical filters, etc

Integrate with your purchasing system for faster order processing

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