Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • 5-Methylquinoxaline [show]

General Information

Synonyms: 5-METHYL-1,4-BENZODIAZINE
Chemical Names: 5-METHYLQUINOXALINE
CAS number: 13708-12-8
COE number: 2271
JECFA number: 798
FEMA number: 3203
Functional Class: Flavouring Agent
FLAVOURING_AGENT

From apps.who.int


Evaluations

Evaluation year: 2001
ADI: No safety concern at current levels of intake when used as a flavouring agent
Report: TRS 909-JECFA 57/51
Tox Monograph: FAS 48-JECFA 57/135
Specification: COMPENDIUM ADDENDUM 9/FNP 52 Add.9/132

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID61670
IUPAC Name5-methylquinoxaline
InChIInChI=1S/C9H8N2/c1-7-3-2-4-8-9(7)11-6-5-10-8/h2-6H,1H3
InChI KeyCQLOYHZZZCWHSG-UHFFFAOYSA-N
Canonical SMILESCC1=C2C(=CC=C1)N=CC=N2
Molecular FormulaC9H8N2
Wikipedia5-methylquinoxaline

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight144.177
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Complexity136.0
CACTVS Substructure Key Fingerprint A A A D c c B z 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 8 Q A A A A A A A A A C x 8 A A A H A A A A A A A D A j B H g Q + w L I I E A C g A z R n R A C C g C Q x E i A I 2 C A 4 d J g I Y O L A k Z G U I A h g g A D I y A c Q g A A O A A A A Q A A C A C A A A A C A A A Q A Q A A A A A A A A A = =
Topological Polar Surface Area25.8
Monoisotopic Mass144.069
Exact Mass144.069
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count11
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


ADMET Predicted Profile --- Classification

Model Result Probability
Absorption
Blood-Brain BarrierBBB+0.9789
Human Intestinal AbsorptionHIA+0.9931
Caco-2 PermeabilityCaco2-0.5795
P-glycoprotein SubstrateNon-substrate0.5694
P-glycoprotein InhibitorNon-inhibitor0.8316
Non-inhibitor0.9780
Renal Organic Cation TransporterNon-inhibitor0.7909
Distribution
Subcellular localizationMitochondria0.6016
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8191
CYP450 2D6 SubstrateNon-substrate0.8483
CYP450 3A4 SubstrateNon-substrate0.7608
CYP450 1A2 InhibitorInhibitor0.9041
CYP450 2C9 InhibitorNon-inhibitor0.9579
CYP450 2D6 InhibitorNon-inhibitor0.9430
CYP450 2C19 InhibitorNon-inhibitor0.8927
CYP450 3A4 InhibitorNon-inhibitor0.7508
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.6676
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9635
Non-inhibitor0.8636
AMES ToxicityAMES toxic0.8273
CarcinogensNon-carcinogens0.9441
Fish ToxicityHigh FHMT0.5290
Tetrahymena Pyriformis ToxicityHigh TPT0.8849
Honey Bee ToxicityLow HBT0.5639
BiodegradationNot ready biodegradable0.9897
Acute Oral ToxicityIII0.8218
Carcinogenicity (Three-class)Non-required0.7394

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-2.2093LogS
Caco-2 Permeability1.4436LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.8670LD50, mol/kg
Fish Toxicity2.4504pLC50, mg/L
Tetrahymena Pyriformis Toxicity0.7774pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazanaphthalenes
SubclassBenzodiazines
Intermediate Tree NodesNot available
Direct ParentQuinoxalines
Alternative Parents
Molecular FrameworkAromatic heteropolycyclic compounds
SubstituentsQuinoxaline - Benzenoid - Pyrazine - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinoxalines. These are compounds containing a quinoxaline moiety, a bicyclic heterocycle made up of a benzene ring fused to a pyrazine ring.

From ClassyFire