Table Index

Chemical


Defines small molecular weight chemical compounds.

Columns

Column MySQL Type Oracle Type Nullable Description
WID BIGINT NUMBER No Warehouse idetification number for this chemical
Name VARCHAR VARCHAR2(255) No Common name of the chemical
Class CHAR(1) CHAR(1) Yes 'T' this is a class or family of related chemicals, else 'F'
BeilsteinName VARCHAR VARCHAR2(50) Yes The Beilstein name of this chemical
SystematicName VARCHAR VARCHAR2(255) Yes The systematic name for this chemical
CAS VARCHAR VARCHAR2(50) Yes The Chemical Abstract Service number
Charge SMALLINT NUMBER Yes Charge of the chemical
EmpiricalFormula VARCHAR VARCHAR2(50) Yes The empirical formula of this chemical
Format: { ElementSymbol Integer }+
E.g. 'H2O1', 'C2H6O1', 'Na1Cl1'.
MolecularWeightCalc FLOAT NUMBER Yes Molecular weight calculated from chemical formula.
Units: Daltons.
MolecularWeightExp FLOAT NUMBER Yes Molecular Weight determined through experimentation. Units: Daltons.
OctH2OPartitionCoeff VARCHAR VARCHAR2(50) Yes Octanol-water-partition coefficient
PKA1 FLOAT NUMBER Yes First ionization potential
PKA2 FLOAT NUMBER Yes Second ionization potential
PKA3 FLOAT NUMBER Yes Third ionization potential
WaterSolubility CHAR(1) CHAR(1) Yes 'T' if soluble in water, else 'F'
Smiles VARCHAR VARCHAR2(255) Yes Ascii representation of the chemical structure
Simplified Molecular Input Line Entry System
http://www.epa.gov/medatwrk/databases/smiles.html
DataSetWID BIGINT NUMBER No Reference to the data set from which the entity came from

Referenced By

Table Column
ChemicalAtom ChemicalWID
ChemicalBond ChemicalWID
EnzReactionCofactor ChemicalWID
EnzReactionAltCompound PrimaryWID
EnzReactionAltCompound AlternativeWID
PathwayLink ChemicalWID
CompoundMeasurement Compound_ComponentCompounds
CompoundMeasurement Compound
LabeledExtractWIDCompoundWID CompoundWID
ChannelWIDCompoundWID CompoundWID
Entry OtherWID
Support OtherWID
EnzReactionInhibitorActivator CompoundWID
Product OtherWID
Reactant OtherWID
InteractionParticipant OtherWID
RelatedTerm OtherWID
CitationWIDOtherWID OtherWID
CommentTable OtherWID
CrossReference OtherWID
CrossReference CrossWID
Description OtherWID
DBID OtherWID
SynonymTable OtherWID
ToolAdvice OtherWID

Other Constraints

None.

Indexes

Name Columns
CHEMICAL_DWID_NAME DataSetWID, Name
CHEMICAL_NAME Name
CHEMICAL_BEILSTEINNAME BEILSTEINNAME
CHEMICAL_SYSTEMATICNAME SYSTEMATICNAME
CHEMICAL_CAS CAS
CHEMICAL_CHARGE CHARGE
CHEMICAL_EMPIRICALFORMULA EMPIRICALFORMULA
CHEMICAL_MOLEWEIGHTCALC MOLECULARWEIGHTCALC
CHEMICAL_MOLEWEIGHTEXP MOLECULARWEIGHTEXP
CHEMICAL_OCTH2OCOEFF OCTH2OPARTITIONCOEFF
CHEMICAL_PKA1 PKA1
CHEMICAL_PKA2 PKA2
CHEMICAL_PKA3 PKA3
CHEMICAL_SMILES SMILES
CHEMICAL_DATASETWID DATASETWID