Type Model Endpoint Unit OPERA Version QMRF JRC report ID Structural properties MolWeight Molecular weight g/mol 2.0 nbAtoms Number of atoms count 2.0 nbHeavyAtoms Number of heavy atoms (i.e. not hydrogen) count 2.0 nbC Number of carbon atoms count 2.0 nbO Number of oxygen atoms count 2.0 nbN Number of nitrogen atoms count 2.0 nbAromAtom Number of aromatic atoms count 2.0 nbRing Number of rings count 2.0 nbHeteroRing "Number of rings containing heteroatoms (N, O, P, S, or halogens)" count 2.0 Sp3Sp2HybRatio Fraction of sp3 carbons to sp2 carbons fraction 2.0 nbRotBd "Number of rotatable bonds, excluding terminal bonds" count 2.0 nbHBdAcc Number of hydrogen bond acceptors (using CDK HBondAcceptorCountDescriptor algorithm) count 2.0 ndHBdDon Number of hydrogen bond donors (using CDK HBondDonorCountDescriptor algorithm) count 2.0 nbLipinskiFailures Number failures of the Lipinski's Rule Of 5 count 2.0 TopoPolSurfAir Topological polar surface area A^2 2.0 MolarRefract Molar refractivity m3/mol 2.0 CombDipolPolariz Combined dipolarity/polarizability dipole moment/ volume 2.0 Physicochemical properties BP Boiling Point at 760 mm Hg Degree C 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-12-0021 HL Henry’s Law constant (air/water partition coefficient) at 25C Log10 atm-m3/mole 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-19-0020 KOA The octanol/air partition coefficient. Log 10 unitless 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-18-0018 LogP Octanol-water partition coefficient Log 10 unitless 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-16-0016 MP Melting Point Degree C 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-11-0015 VP Vapor Pressure Log10 mmHg 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-14-0013 WS Water solubility at 25C. Log10 moles/L 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-13-0012 RT HPLC retention time. Minutes 1.5 Pka Logarithmic (acid) dissociation constant Unitless 2.0 logD Octanol-water distribution coefficient Log10 unitless 2.0 Environmental fate LogBCF Fish bioconcentration factor Log10 unitless 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-24a-0023 AOH "OH rate constant for the atmospheric, gas-phase reaction between photochemically produced hydroxyl radicals and organic chemicals" Log10 cm3/molecule-sec 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-22b-0024 BioDeg biodegradation half-life for compounds containing only carbon and hydrogen Log10 days 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-23b-0022 RBioDeg Ready biodegradability of organic chemicals Binary 0/1 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-23a-0014 KM The whole body primary biotransformation rate (half-life) constant for organic chemicals in fish. Log10 days 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-66-0019 KOC soil adsorption coefficient of organic compounds. Log10 L/Kg 1.5 http://qsardb.jrc.ec.europa.eu/qmrf Q17-26-0017 Toxicology endpoints CERAPP-Binding Collaborative Estrogen Receptor Activity Prediction Project. Binding consensus Binary 0/1 2.0 CERAPP-Agonist Collaborative Estrogen Receptor Activity Prediction Project. Agonist consensus Binary 0/1 2.0 CERAPP-Antagonist Collaborative Estrogen Receptor Activity Prediction Project. Antagonist consensus Binary 0/1 2.0 CoMPARA-Binding Collaborative Modeling Project for Androgen Receptor. Binding consensus Binary 0/1 2.0 CoMPARA-Agonist Collaborative Modeling Project for Androgen Receptor. Agonist consensus Binary 0/1 2.0 CoMPARA-Antagonist Collaborative Modeling Project for Androgen Receptor. Antagonist consensus Binary 0/1 2.0 CATMoS-VT Collaborative Acute Toxicity Modeling Suite. very_toxic LD50 ? 50 mg/kg vs LD50 > 50 mg/kg Binary 0/1 2.0 CATMoS-NT Collaborative Acute Toxicity Modeling Suite. Nontoxic. LD50 > 2000 mg/kg vs LD50 ? 2000 mg/kg Binary 0/1 2.0 CATMoS-EPA Collaborative Acute Toxicity Modeling Suite. EPA_categories. 1 is LD50 ? 50 mg/kg; 2 is LD50 > 50 to ? 500 mg/kg; 3 is LD50 >500 to LD50 ? 5000 mg/kg; 4 is LD50 >5000 mg/kg multiclass 2.0 CATMoS-GHS Collaborative Acute Toxicity Modeling Suite. GHS_categories. 1 is LD50 ? 5 mg/kg; 2 is LD50 > 5 to ? 50 mg/kg; 3 is LD50 >50 to LD50 ? 300 mg/kg; 4 is LD50 >300 to LD50 ? 2000 mg/kg; 5 is LD50 >2000 mg/kg multiclass 2.0 CATMoS-LD50 Collaborative Acute Toxicity Modeling Suite. LD50 point estimate model log mg/kg 2.0 UGT Glucuronidation: substrate selectivity unitless Future SULT Sulfation: substrate selectivity unitless Future CACO2 Caco-2 permeability unitless Future SixPack "Acute Toxicity Six-Pack Endpoints (Skin sensitization (potency), Ocular irritation, Dermal irritation, Acute Oral (done: CATMoS), Acute Inhalation)" Various Future AquaTox Fish Acute Toxicity (LC50) Molar concentration Future CarcMech Cancer hallmarks and key characteristics of carcinogens unitless Future DevMech Mechanisms of developmental toxicity unitless Future ADME endpoints Fu Human plasma fraction unbound Percent In prep Clint Hepatic intrinsic clearance mL/min/kg In prep