Molecule formats are able to store only chemically relevant information of the molecule.
CML
MDL MOL files
MDL MOLfiles, RGfiles, SDfiles, Rxnfiles, RDfiles formats
Chemaxon specific information in MDL MOL files
MOL file compression
MDL MOL Import and Export Options
Default valence of metal atoms
Daylight SMILES related formats
SMILES
SMARTS
SMILES and SMARTS import and export options
ChemAxon SMILES extensions
ChemAxon Extended SMILES and SMARTS - CXSMILES and CXSMARTS
CXSMILES and CXSMARTS import and export options
ChemAxon SMILES Abbreviated Group
IUPAC InChI, InChIKey, RInChI and RInChIKey
Name
Sequences - peptide, DNA, RNA
FASTA file format
Protein Data Bank (PDB) file format
Standard PDB residues
PDB import and export options
Tripos SYBYL MOL and MOL2 formats
Tripos Mol2 format
Tripos SYBYL MOL format
XYZ format
Gaussian related file formats
Gaussian Cube format
Gaussian Cube import and export options
Gaussian input-output format
Markush DARC format - VMN
CSV