ContaminantDB: 6,7-DIHYDRO-2,3-DIMETHYL-5H-CYCLOPENTAPYRAZINE

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

Record Information

Version

1.0

Creation Date

2016-05-19 02:01:00 UTC

Update Date

2026-04-06 10:18:58 UTC

Accession Number

CHEM005350

Identification

Common Name

6,7-DIHYDRO-2,3-DIMETHYL-5H-CYCLOPENTAPYRAZINE

Class

Small Molecule

Description

6,7-Dihydro-2,3-dimethyl-5H-cyclopentapyrazine is found in animal foods. 6,7-Dihydro-2,3-dimethyl-5H-cyclopentapyrazine is formed from cysteine and rhamnose under roasting conditions. 6,7-Dihydro-2,3-dimethyl-5H-cyclopentapyrazine is found in beef, coffee, cocoa, earth almond (Cyperus esulentus), roast almonds, walnut and hazelnut. 6,7-Dihydro-2,3-dimethyl-5H-cyclopentapyrazine is a flavouring ingredien

Contaminant Sources

EAFUS Chemicals
FooDB Chemicals

Contaminant Type

Not Available

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Value	Source
2,3-Dimethyl-6,7-dihydro-5H-cyclopentapyrazine	HMDB
FEMA 3917	HMDB

Chemical Formula

C₉H₁₂N₂

Average Molecular Mass

148.205 g/mol

Monoisotopic Mass

148.100 g/mol

CAS Registry Number

38917-63-4

IUPAC Name

2,3-dimethyl-5H,6H,7H-cyclopenta[b]pyrazine

Traditional Name

2,3-dimethyl-5H,6H,7H-cyclopenta[b]pyrazine

SMILES

CC1=NC2=C(CCC2)N=C1C

InChI Identifier

InChI=1S/C9H12N2/c1-6-7(2)11-9-5-3-4-8(9)10-6/h3-5H2,1-2H3

InChI Key

AIKNQWWUQFXNAZ-UHFFFAOYSA-N

Chemical Taxonomy

Description

belongs to the class of organic compounds known as pyrazines. Pyrazines 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.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Diazines

Sub Class

Pyrazines

Direct Parent

Pyrazines

Alternative Parents

Substituents

Pyrazine
Heteroaromatic compound
Azacycle
Organic nitrogen compound
Organopnictogen compound
Hydrocarbon derivative
Organonitrogen compound
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic 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	8.76 g/L	ALOGPS
logP	1.83	ALOGPS
logP	0.56	ChemAxon
logS	-1.2	ALOGPS
pKa (Strongest Basic)	1.93	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	2	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	25.78 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	42.96 m³·mol⁻¹	ChemAxon
Polarizability	17.24 Å³	ChemAxon
Number of Rings	2	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	splash10-0002-0900000000-44d097e4e4d85931ef64	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	splash10-0002-0900000000-9de68a09059d340b18a3	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0002-0900000000-a07e8a28364e3a7e5722	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-066u-9400000000-66cd6b9f9728e235f62e	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0002-0900000000-1b1c396de2b758edf13e	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0002-0900000000-a985875692e5cf0700f3	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0a59-1900000000-d5a2598aaef6607ebd2f	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-0002-0900000000-aff21bfca25e06c85423	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-0002-0900000000-13f22a3dcd89162f8b55	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-001m-2900000000-4999ab2dcdfb40b9a5b1	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-0002-0900000000-2ef1a63f0d174650da9c	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-0002-2900000000-40f61c41d317e14a87f8	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-00lr-9100000000-82420d910ae03d09fbb9	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

Toxicity Profile

Route of Exposure

Not Available

Mechanism of Toxicity

Not Available

Metabolism

Not Available

Toxicity Values

Not Available

Lethal Dose

Not Available

Carcinogenicity (IARC Classification)

Not Available

Uses/Sources

Not Available

Minimum Risk Level

Not Available

Health Effects

Not Available

Symptoms

Not Available

Treatment

Not Available

Concentrations

Not Available

External Links

DrugBank ID

Not Available

HMDB ID

HMDB0036142

FooDB ID

FDB014993

Phenol Explorer ID

Not Available

KNApSAcK ID

C00054447

BiGG ID

Not Available

BioCyc ID

Not Available

METLIN ID

Not Available

PDB ID

Not Available

Wikipedia Link

Not Available

Chemspider ID

4934180

ChEBI ID

Not Available

PubChem Compound ID

6428802

Kegg Compound ID

Not Available

YMDB ID

Not Available

ECMDB ID

Not Available

References

Synthesis Reference

Not Available

MSDS

Not Available

General References

1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.

6,7-DIHYDRO-2,3-DIMETHYL-5H-CYCLOPENTAPYRAZINE (CHEM005350)

Structure for CHEM005350: 6,7-DIHYDRO-2,3-DIMETHYL-5H-CYCLOPENTAPYRAZINE