chemspider is a free chemical structure database providing fast access to over 100 million structures, properties and associated information.

(none)

bldpharm provides a catalog over 600,000+ products, including building blocks, advanced intermediates, amino acids and peptides, catalysts and ligands, natural products, nucleotides, etc. over 1,000 novel chemicals are continually added into bld's product list on a monthly basis.

more than 6 billion big datasets for chemical compounds available, comprising property data, spectra data, quantum data, and molecular descriptor data.

ambeed provides building blocks, advanced intermediates, amino acids and peptides, catalysts and ligands, natural products, nucleotides etc.

discover why over 1 million scientists, academics and researchers use our tools to streamline their workflows and power their scientific breakthroughs.