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Search for Small Molecules by SMILES, name, CAS, MFCD, ID, InChI Key
Search for Biologics by ID, Target name, CAS, Protein name, Gene ID, Clone ID, Source Organism

Chemspace is your expert provider of integrated services

Discovery and
beyond!

Search in the largest catalog of 18 256 347 000 small molecules
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Search in the catalog of 486 056 biologics
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Procurement and Services Procurement and Services

Purchasing SaaS

Chemspace's Purchasing Software as a Service (SaaS) is a complex solution designed to simplify your procurement process in a cost- and resource-effective way. To meet all your needs we offer a few integration options: Custom Platform, Punchout Site, and Chemspace API.

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Compound Sets Compound Sets

Compound sets

We offer different sets of Screening compounds for HTS, Fragments for Fragment-Based Drug Discovery, starting materials for DNA-encoded chemical libraries and PROTAC technologies. Cherry-picking and pre-plated solutions are also available.

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Computational Chemistry Services Computational Chemistry Services

Discovery CRO

Chemspace is a global provider of integrated services. We offer comprehensive support on hit discovery and beyond, from initial screening and up to preclinical studies. By exploring ultra-large chemical spaces, we deliver high-quality hit molecules for discovery projects.

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Clients and Partners

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News

14 January 2026

Freedom Space 4.0 vs 3.0: Benchmark Comparison Results

Ultra-large chemical spaces are often discussed in terms of size.
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13 January 2026

AmBeed GmbH Catalog is Now Available on the Chemspace platform!

The AmBeed GmbH catalog is now available on the Chemspace platform, with in-stock compounds mapped to warehouse locations in Germany and China. Warehouse-level visibility matters at the planning
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12 January 2026

Start the New Year With a Focused Research Advantage!

Take 50% off ProSci’s research-grade biosimilars — high-purity, well-characterized antibodies designed for assay development, method validation, comparability studies, and analytical workflows.
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23 December 2025

What Is DMPK And Why Does It Matter In Drug Development?

Developing a novel drug requires understanding not only compound activity toward the biological target but also how it behaves within the body once administered.
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Contact information

Americas

CHEMSPACE US INC.

1 Distribution Way

Monmouth Junction,

NJ 08852, USA

Phone +1 (732) 917 0158

Fax +1 (844) 646 2007

Working hours:

8 am – 12 pm EST

Europe

CHEMSPACE LV, SIА

Mālu iela 30,

Riga, LV-1058

Latvia

Phone +371 (270) 60 007

Fax +1 (844) 646 2007

Working hours:

9 am – 5 pm EEST

Ukraine

CHEMSPACE LLC

7, Akademika Kukharya Str

building 146, unit M

Kyiv, 02094

Ukraine

Phone +38 (044) 333 5813

Working hours:

9 am – 5 pm EEST

Inquiries, orders, customer support

[email protected]
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