Welcome to 1717 CheMall
Chemical structure
Chemical Structure Lookup Service

Integrated searching of over 100 databases. [Publisher: National Institutes of Health (NIH), USA]


For analysing and clustering small molecules by structural similarities, physicochemical properties or custom data types. [Publisher: University of California, Riverside, USA]

Glycan Structures Database

Structural and chemical information for thousands of glycans [Publisher: Consortium for Functional Glycomics and Nature Publishing Group]

OSRA: Optical Structure Recognition Application

For converting graphical representations of chemical structures, as they appear in journal articles, patent documents, textbooks, trade magazines etc., into SMILES. [Publisher: National Institutes of Health (NIH), USA]

PROSIT: Pseudo-Rotational Online Service and Interactive Tool

Calculates the pseudorotational phase angle and puckering amplitude for nucleosides/nucleotides. [Publisher: National Institutes of Health (NIH), USA]

Common Chemistry

CAS Registry Numbers for approximately 7,900 chemicals of widespread general public interest. [Publisher: American Chemical Society, USA]