Examine the validity of CAS registry numbers; reveal the listing status of each valid CAS in chemBlink's database.

Calculate molecular weight based on molecular formula.

GHS hazard pictograms
GHS hazard statements
GHS precautionary statements

Translate English name of chemicals into Chinese with an online artificial intelligence translator.

A structure generator creates and manipulates 3D molecular and crystal structures. Further calculations provide the electronic structures such as molecular and crystal orbitals, energy levels and bands, density of states as well as Fermi surface in terms of numerical analysis and graphic presentation.

Display a modern Periodic Table of Elements with multiple parameters and information resources.

List abbreviations frequently used in organic chemistry, including abbreviations of functional groups, chemical compounds and amino acids.

Some most important parent rings are listed according to the ring size, the number and position of heteroatoms.

It is a book published by IUPAC containing internationally accepted definitions for terms in chemistry. Work on the first edition was initiated by Victor Gold, hence its informal name, the Gold Book.