General Information

MaintermSULFUROUS ACID
Doc TypeEAF
CAS Reg.No.(or other ID)7782-99-2
Regnum 73.85

From www.fda.gov

Computed Descriptors

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2D Structure
CID1100
IUPAC Namesulfurous acid
InChIInChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChI KeyLSNNMFCWUKXFEE-UHFFFAOYSA-N
Canonical SMILESOS(=O)O
Molecular FormulaH2SO3
Wikipediasulfurous acid

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight82.073
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Complexity26.3
CACTVS Substructure Key Fingerprint A A A D c Q A A M A B A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A C A A A A A A A A A A A A A A A A I A A A A A A A C A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area76.7
Monoisotopic Mass81.972
Exact Mass81.972
XLogP3None
XLogP3-AA-0.5
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count4
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count1

From Pubchem


Food Additives Biosynthesis/Degradation


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.9080
Human Intestinal AbsorptionHIA+0.9333
Caco-2 PermeabilityCaco2-0.6448
P-glycoprotein SubstrateNon-substrate0.8964
P-glycoprotein InhibitorNon-inhibitor0.9323
Non-inhibitor0.9954
Renal Organic Cation TransporterNon-inhibitor0.9442
Distribution
Subcellular localizationMitochondria0.4648
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8246
CYP450 2D6 SubstrateNon-substrate0.8284
CYP450 3A4 SubstrateNon-substrate0.7604
CYP450 1A2 InhibitorNon-inhibitor0.8662
CYP450 2C9 InhibitorNon-inhibitor0.8555
CYP450 2D6 InhibitorNon-inhibitor0.9145
CYP450 2C19 InhibitorNon-inhibitor0.8640
CYP450 3A4 InhibitorNon-inhibitor0.9886
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.9650
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.7724
Non-inhibitor0.9337
AMES ToxicityNon AMES toxic0.8646
CarcinogensCarcinogens 0.8323
Fish ToxicityLow FHMT0.7029
Tetrahymena Pyriformis ToxicityLow TPT0.7580
Honey Bee ToxicityHigh HBT0.7693
BiodegradationReady biodegradable0.5873
Acute Oral ToxicityIII0.6748
Carcinogenicity (Three-class)Non-required0.6637

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-1.3496LogS
Caco-2 Permeability0.0372LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity2.1499LD50, mol/kg
Fish Toxicity2.3292pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.4173pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomInorganic compounds
SuperclassHomogeneous non-metal compounds
ClassNon-metal oxoanionic compounds
SubclassNon-metal sulfites
Intermediate Tree NodesNot available
Direct ParentNon-metal sulfites
Alternative Parents
Molecular FrameworkNot available
SubstituentsNon-metal sulfite - Inorganic oxide
DescriptionThis compound belongs to the class of inorganic compounds known as non-metal sulfites. These are inorganic non-metallic compounds containing a sulfite as its largest oxoanion.

From ClassyFire