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Table 3 Calculated chemical descriptor and the corresponding ontology term ID

From: PubChemRDF: towards the semantic annotation of PubChem compound and substance databases

Property name

Term ID

Software library

Molecular weight

CHEMINF_000334

PubChem

Molecular formula

CHEMINF_000335

Total formal charge

CHEMINF_000336

Mono isotopic weight

CHEMINF_000337

Exact mass

CHEMINF_000338

Compound identifier

CHEMINF_000140

Covalent unit count

CHEMINF_000369

Defined atom stereocenter count

CHEMINF_000370

Defined bond stereocenter count

CHEMINF_000371

Isotope atom count

CHEMINF_000372

Heavy atom count

CHEMINF_000373

Undefined atom stereocenter count

CHEMINF_000374

Undefined bond stereocenter count

CHEMINF_000375

Canonical SMILES

CHEMINF_000376

OEChem

Isomeric SMILES

CHEMINF_000379

Preferred IUPAC name

CHEMINF_000382

LexiChem

Hydrogen bond donor count

CHEMINF_000387

Cactvs

Hydrogen bond acceptor count

CHEMINF_000388

Rotatable bond count

CHEMINF_000389

Structure complexity

CHEMINF_000390

Tautomer count

CHEMINF_000391

TPSA

CHEMINF_000392

XLogP3

CHEMINF_000395

XLogP3

IUPAC InChI

CHEMINF_000396

InChI

IUPAC InChIKey

CHEMINF_000399

  1. The software library used by PubChem to calculate property values are associated with each chemical property.