ContaminantDB: METHOXYPYRAZINE

Identification Taxonomy Biological Properties Physical Properties Toxicity Profile Spectra Concentrations Links References XML

Record Information

Version

1.0

Creation Date

2016-05-19 02:14:16 UTC

Update Date

2026-04-03 08:58:09 UTC

Accession Number

CHEM006479

Identification

Common Name

METHOXYPYRAZINE

Class

Small Molecule

Description

Methoxypyrazine is found in animal foods. Methoxypyrazine is a flavouring agent. Methoxypyrazine is present in cooked beef and cocoa Methoxypyrazines are a class of chemical compounds that produce odors. The odors may be desirable, as in the case of certain wines, or undesirable, as in the case of the Asian Lady Beetle which produces isopropyl methoxy pyrazine (IPMP). They have also been identified as additives in cigarette manufacture. Detection thresholds are very low, typically near 2 parts per trillion (1 ng/L).

Contaminant Sources

EAFUS Chemicals
FooDB Chemicals

Contaminant Type

Not Available

Chemical Structure

MOL SDF 3D-SDF PDB SMILES InChI View 3D Structure

Synonyms

Value	Source
2-Methoxy-pyrazine	ChEMBL, HMDB
2-Methoxy-1,4-diazine	HMDB
2-Methoxypyrazine	HMDB
FEMA 3302	HMDB
Methoxy-pyrazine	HMDB

Chemical Formula

C₅H₆N₂O

Average Molecular Mass

110.114 g/mol

Monoisotopic Mass

110.048 g/mol

CAS Registry Number

3149-28-8

IUPAC Name

2-methoxypyrazine

Traditional Name

2-methoxypyrazine

SMILES

COC1=CN=CC=N1

InChI Identifier

InChI=1S/C5H6N2O/c1-8-5-4-6-2-3-7-5/h2-4H,1H3

InChI Key

WKSXRWSOSLGSTN-UHFFFAOYSA-N

Chemical Taxonomy

Description

belongs to the class of organic compounds known as methoxypyrazines. These are pyrazines containing a methoxyl group attached to the pyrazine ring.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Diazines

Sub Class

Pyrazines

Direct Parent

Methoxypyrazines

Alternative Parents

Substituents

Methoxypyrazine
Alkyl aryl ether
Heteroaromatic compound
Azacycle
Ether
Organic nitrogen compound
Organic oxygen compound
Organopnictogen compound
Hydrocarbon derivative
Organooxygen compound
Organonitrogen compound
Aromatic heteromonocyclic compound

Molecular Framework

Aromatic heteromonocyclic compounds

External Descriptors

Not Available

Biological Properties

Status

Detected and Not Quantified

Origin

Not Available

Cellular Locations

Not Available

Biofluid Locations

Not Available

Tissue Locations

Not Available

Pathways

Not Available

Applications

Not Available

Biological Roles

Not Available

Chemical Roles

Not Available

Physical Properties

State

Not Available

Appearance

Not Available

Experimental Properties

Property	Value
Melting Point	Not Available
Boiling Point	Not Available
Solubility	Not Available

Predicted Properties

Property	Value	Source
Water Solubility	353 g/L	ALOGPS
logP	0.59	ALOGPS
logP	-0.025	ChemAxon
logS	0.51	ALOGPS
pKa (Strongest Basic)	0.32	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	3	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	35.01 Å²	ChemAxon
Rotatable Bond Count	1	ChemAxon
Refractivity	28.52 m³·mol⁻¹	ChemAxon
Polarizability	10.56 Å³	ChemAxon
Number of Rings	1	ChemAxon
Bioavailability	1	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	No	ChemAxon

Spectra

Spectrum Type	Description	Splash Key	View
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	splash10-03e9-9400000000-f0d7b83cc2264eebf07c	Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-03di-1900000000-fda081551167973cfbaa	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-03di-0900000000-590033940c7cc1a5d4d4	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0kai-9000000000-c1c5d52afd364d2b9fa6	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0a4i-1900000000-f0b30191136c63b9dcab	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0a4i-9000000000-dc05a18814c746076634	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0a4i-9000000000-1b5a0b27beee51867795	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-03di-0900000000-93059203859099fa37d8	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0il0-9700000000-cf5cdd5974711bf7bab3	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-0udi-9000000000-61ba78950735fe2498bf	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0a4i-0900000000-54009a42432c07b2ea86	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0a4i-2900000000-5493f19dd566f14a0d53	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0k96-9000000000-1debbc8e6d50fffa51ce	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum
1D NMR	1H NMR Spectrum	Not Available	Spectrum
1D NMR	13C NMR Spectrum	Not Available	Spectrum