Relevant Data

Food Additives Approved in the United States

Flavouring Substances Approved by European Union:

  • 2-Methylpyrazine [show]

General Information

Synonyms: 2-METHYL-1,4-DIAZINE
Chemical Names: METHYLPYRAZINE
CAS number: 109-08-0
COE number: 2270
JECFA number: 761
FEMA number: 3309
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.9/126

From apps.who.int


Computed Descriptors

Download SDF
2D Structure
CID7976
IUPAC Name2-methylpyrazine
InChIInChI=1S/C5H6N2/c1-5-4-6-2-3-7-5/h2-4H,1H3
InChI KeyCAWHJQAVHZEVTJ-UHFFFAOYSA-N
Canonical SMILESCC1=NC=CN=C1
Molecular FormulaC5H6N2
Wikipedia2-methylpyrazine

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight94.117
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Complexity54.0
CACTVS Substructure Key Fingerprint A A A D c Y 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 R E i A I U A A 4 c A A A Q E B A A Q A U A A A A A A D 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 Area25.8
Monoisotopic Mass94.053
Exact Mass94.053
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count7
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+0.9783
Human Intestinal AbsorptionHIA+0.9802
Caco-2 PermeabilityCaco2+0.6975
P-glycoprotein SubstrateNon-substrate0.6965
P-glycoprotein InhibitorNon-inhibitor0.9578
Non-inhibitor1.0000
Renal Organic Cation TransporterNon-inhibitor0.8448
Distribution
Subcellular localizationMitochondria0.5825
Metabolism
CYP450 2C9 SubstrateNon-substrate0.8403
CYP450 2D6 SubstrateNon-substrate0.8780
CYP450 3A4 SubstrateNon-substrate0.8262
CYP450 1A2 InhibitorNon-inhibitor0.5857
CYP450 2C9 InhibitorNon-inhibitor0.9770
CYP450 2D6 InhibitorNon-inhibitor0.9501
CYP450 2C19 InhibitorNon-inhibitor0.9748
CYP450 3A4 InhibitorNon-inhibitor0.9333
CYP Inhibitory PromiscuityLow CYP Inhibitory Promiscuity0.9189
Excretion
Toxicity
Human Ether-a-go-go-Related Gene InhibitionWeak inhibitor0.9668
Non-inhibitor0.9628
AMES ToxicityNon AMES toxic0.9342
CarcinogensNon-carcinogens0.9242
Fish ToxicityLow FHMT0.8271
Tetrahymena Pyriformis ToxicityHigh TPT0.5000
Honey Bee ToxicityLow HBT0.6175
BiodegradationNot ready biodegradable0.9512
Acute Oral ToxicityIII0.8434
Carcinogenicity (Three-class)Non-required0.6066

From admetSAR


ADMET Predicted Profile --- Regression

Model Value Unit
Absorption
Aqueous solubility0.5951LogS
Caco-2 Permeability1.6432LogPapp, cm/s
Distribution
Metabolism
Excretion
Toxicity
Rat Acute Toxicity1.8100LD50, mol/kg
Fish Toxicity3.0786pLC50, mg/L
Tetrahymena Pyriformis Toxicity-0.0197pIGC50, 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