Chemspace - the database of chemical building blocks

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Chemspace is the largest database of small molecules: Building Blocks, Fragments, and Screening Compounds. More »

Molecules of the week

3-aminobicyclo[1.1.1]pentane-1-carboxylic acid hydrochloride

2-[3-(methoxycarbonyl)bicyclo[1.1.1]pentan-1-yl]acetic acid

tert-butyl N-{3-aminobicyclo[1.1.1]pentan-1-yl}carbamate

tert-butyl N-({3-aminobicyclo[1.1.1]pentan-1-yl}methyl)carbamate

(2S)-2-amino-2-[3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-yl]acetic acid hydrochloride

tert-butyl N-{[3-(hydroxymethyl)bicyclo[1.1.1]pentan-1-yl]methyl}carbamate

tert-butyl N-[3-(bromomethyl)bicyclo[1.1.1]pentan-1-yl]carbamate

News and Events

12 April 2019

Chemspace analogs 10

Chemspace is by far the largest database of small molecules to search and buy. You, however, can expand the capabilities to design your molecules with make-on-demand analogs from our database.

5 April 2019

Chemspace Tiny Fragments

Discover Chemspace Tiny Fragments – a library of PAINS- and undesirable reactivity-free compounds that have 5-8 heavy atoms. More details: https://bit.ly/2YO2uFv.

1 April 2019

Chemspace analogs Part 9