Tools Menu

Elemental Analysis

Calculates the elemental composition of the molecule.

Structure to Name

Generates IUPAC or traditional name of the molecule.

Protonation > pKa

Calculates the pKa values of the molecule.

Protonation > Major Microspecies

Draws molecular microspecies at given pH.

Protonation > Isoelectric Point

Calculates gross charge distribution of a molecule as function of pH.

Partitioning > logP

Calculates the octanol/water partition coefficient.

Partitioning > logD

Calculates the octanol/water partition coefficient at any pH.

Charge > Charge

Calculates the partial charge value of each atom.

Charge > Polarizability

Calculates the polarizability of each atoms.

Charge > Orbital Electronegativity

Calculates electronegativity of each atoms.

Isomers > Tautomers

Generates two dimensional tautomers of the molecule.

Isomers > Stereoisomers

Generates all possible stereoisomers of the molecule.

Conformation > Conformers

Generates selected number of conformers or the lowest energy conformer of a molecule.

Conformaton > Molecular Dynamics

Calculates the configurations of the system by integrating Newton's laws of motion.

Conformation > 3D Alignment

Overlays drug sized molecules onto each other in the 3D space.

Geometry > Topology Analysis

Provides characteristic values related to the topological structure of a molecule.

Geometry > Geometry

Provides characteristic values related to the geometrical structure of a molecule. It can calculate steric hindrance and Dreiding energy.

Geometry > Polar Surface Area (2D)

Provides estimation of topoligical polar surface area (TPSA).

Geometry > Molecular Surface Area (3D)

Calculates van der Waals or solvent accessible molecular surface area.

Markush Enumeration

Generates a whole or a subset of the library of a generic Markush structure.


Predicts molecular properties based on its structure. The method is based on QSAR algorithm using a multiple linear regression model and a least squares fitting.

Other > H Bond Donor/Acceptor

Calculates atomic hydrogen bond donor and acceptor inclination.

Other > Huckel Analysis

Calculates localization energies L(+) and L(-) for electrophilic and nucleophilic attack at an aromatic center.

Other > Refractivity

Calculates molar refractivity of the molecule.

Other > Resonance

Generates all resonance structures of the molecule.

Other > Structural Frameworks

Calculates Bemis and Murcko frameworks and other structure based reduced representations of the input structures.