ZINC26:Purchasable Databases

This is all about purchasable databases.

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Purchasable

• inStock-1 - preferred sources for inStock screening compounds (SC)
  • chemspace
  • chembridge
  • enamine
  • mcule
  • molport
  • sial

• inStock-2 - Other vendors
  • chemdiv
  • many many others

• onDemand-1 - our preferred sources for onDemand SC
  • Enamine M
  • Enamine S
  • OnePot
  • xtalPi
  • wuxi

• onDemand-2 - Other SC onDemand
  • others

onDemand-2

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Purchasable Catalogs in ZINC26

Vendor	Catalog	size	status	Date
Enamine	REAL	72B	33.8M (14.7M unique)	"only" 1 B "squeaky clean" molecules.
Chem-Space	Freedom Space 5	30B	248M (105M unique)
WuXi	GalaXi	29B	must check	July 2026
OnePot	20M	20B	expecting update this week	comments
XtalPi	VAST	20B	good	comments
Various	In Stock	20M	needs updating	see table below
Various	Covalent	20M	needs updating	see table below
Various	BB	20M	needs updating	see table below
-	Total	100B

In-Stock Catalog detail

We have 100s of vendors.

Vendor	Catalog	size	status	Date
Various	In Stock	20M	needs updating	see table below
Various	Covalent	20M	needs updating	see table below
Various	BB	20M	needs updating	see table below
-	Total	100B

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