a free chemical structure database providing fast text and structure search access to over 130 million structures from hundreds of data sources.

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

peg linker, adc linker, peg supplier, click chemistry tools, dye labeling

chemblink provides a free database of chemicals from around the world, searchable for product identifications, cas numbers, sds, formulas, suppliers and more. contact us today.

Chemical and physical properties of more than 100,000 molecules and mixtures.

strem chemicals, inc., established in 1964, is a privately–held company that markets and manufactures specialty chemicals of high purity.

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.

benchchem is an american chemical supply company committed to providing specialty chemicals including inhibitors, apis, pheromone and other chemicals.