Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • 2-Ethyl-3-methylpyrazine [show]

General Information

Synonyms: 2-ETHYL-3-METHYL-1,4-DIAZINE, 2-METHYL-3-ETHYLPYRAZINE
Chemical Names: 2-ETHYL-3-METHYLPYRAZINE
CAS number: 15707-23-0
COE number: 548
JECFA number: 768
FEMA number: 3155
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.9/128

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID27457
IUPAC Name2-ethyl-3-methylpyrazine
InChIInChI=1S/C7H10N2/c1-3-7-6(2)8-4-5-9-7/h4-5H,3H2,1-2H3
InChI KeyLNIMMWYNSBZESE-UHFFFAOYSA-N
Canonical SMILESCCC1=NC=CN=C1C
Molecular FormulaC7H10N2
Wikipedia2-ethyl-3-methylpyrazine

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight122.171
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Complexity83.0
CACTVS Substructure Key Fingerprint A A A D c c B j 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 s A A A A A A A A A A A B g A A A H A A A A A A A C A j B F g Q u g B I I E A C g A R R n R A A A g C Q x E i A I W A A 4 c A g A Y E J A g A A U A A A g A A D I S A I 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 Area25.8
Monoisotopic Mass122.084
Exact Mass122.084
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count9
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+0.9744
Human Intestinal AbsorptionHIA+0.9850
Caco-2 PermeabilityCaco2+0.7345
P-glycoprotein SubstrateNon-substrate0.5224
P-glycoprotein InhibitorNon-inhibitor0.8324
Non-inhibitor1.0000
Renal Organic Cation TransporterNon-inhibitor0.7795
Distribution
Subcellular localizationMitochondria0.5453
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8551
CYP450 2D6 SubstrateNon-substrate0.7448
CYP450 3A4 SubstrateNon-substrate0.7624
CYP450 1A2 InhibitorInhibitor0.7397
CYP450 2C9 InhibitorNon-inhibitor0.9316
CYP450 2D6 InhibitorNon-inhibitor0.8677
CYP450 2C19 InhibitorNon-inhibitor0.8445
CYP450 3A4 InhibitorNon-inhibitor0.8900
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.8191
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9677
Non-inhibitor0.9393
AMES ToxicityNon AMES toxic0.9155
CarcinogensNon-carcinogens0.8800
Fish ToxicityLow FHMT0.5201
Tetrahymena Pyriformis ToxicityHigh TPT0.7846
Honey Bee ToxicityLow HBT0.6880
BiodegradationNot ready biodegradable0.9704
Acute Oral ToxicityIII0.8075
Carcinogenicity (Three-class)Non-required0.6808

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility-0.8636LogS
Caco-2 Permeability1.7183LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity2.3405LD50, mol/kg
Fish Toxicity2.0432pLC50, mg/L
Tetrahymena Pyriformis Toxicity0.4718pIGC50, ug/L

From admetSAR


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazines
SubclassPyrazines
Intermediate Tree NodesNot available
Direct ParentPyrazines
Alternative Parents
Molecular FrameworkAromatic heteromonocyclic compounds
SubstituentsPyrazine - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazines. These are compounds containing a pyrazine ring, which is a six-member aromatic heterocycle, that consists of two nitrogen atoms (at positions 1 and 4) and four carbon atoms.

From ClassyFire