ContaminantDB: 5H-5-METHYL-6,7-DIHYDROCYCLOPENTA(B)PYRAZINE

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

Record Information

Version

1.0

Creation Date

2016-05-19 02:15:15 UTC

Update Date

2026-04-04 23:58:05 UTC

Accession Number

CHEM006561

Identification

Common Name

5H-5-METHYL-6,7-DIHYDROCYCLOPENTA(B)PYRAZINE

Class

Small Molecule

Description

6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine is found in animal foods. 6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine is a flavouring ingredient. 6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine is present in coffee aroma, asparagus, wheat bread, rye bread, cocoa, green tea, roasted barley, roasted filbert, roasted peanut, fried chicken, wild rice, roast almond, baked potato, earth-almond (Cyperus esculentus) and other foodstuffs.

Contaminant Sources

EAFUS Chemicals
FooDB Chemicals
ToxCast & Tox21 Chemicals

Contaminant Type

Not Available

Chemical Structure

MOL SDF PDB SMILES InChI

Synonyms

Value	Source
5-Methyl -6,7-dihydrocyclopentapyrazine	HMDB
5-Methyl-(5H)-6,7-dihydrocyclo- pentapyrazine	HMDB
5-Methyl-5H-cyclopenta[b]pyrazine	HMDB
5-Methyl-6,7-dihydro-(5H)-cyclopentapyrazine	HMDB
5-Methyl-6,7-dihydro-5H-cyclopenta[b]pyrazine	HMDB
FEMA 3306	HMDB

Chemical Formula

C₈H₁₀N₂

Average Molecular Mass

134.178 g/mol

Monoisotopic Mass

134.084 g/mol

CAS Registry Number

23747-48-0

IUPAC Name

5-methyl-5H,6H,7H-cyclopenta[b]pyrazine

Traditional Name

5-methyl-5H,6H,7H-cyclopenta[b]pyrazine

SMILES

CC1CCC2=C1N=CC=N2

InChI Identifier

InChI=1S/C8H10N2/c1-6-2-3-7-8(6)10-5-4-9-7/h4-6H,2-3H2,1H3

InChI Key

YZEFQPIMXZVPKP-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	46 g/L	ALOGPS
logP	1.27	ALOGPS
logP	0.84	ChemAxon
logS	-0.46	ALOGPS
pKa (Strongest Basic)	1.25	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	38.35 m³·mol⁻¹	ChemAxon
Polarizability	14.81 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	splash10-05nf-6900000000-2906b3f1a60c022f3783	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	splash10-000i-0900000000-406813d8116863ccf1e3	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-000i-1900000000-9a26cc4a02bda4731c35	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-00kf-9300000000-f2102f670590a6dda4cb	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-001i-0900000000-65295988de494826aaa5	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-001i-0900000000-46823726a0670447c9b8	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0pc0-6900000000-8a95ebe63e999ab7bf96	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Negative	splash10-001i-0900000000-01d3d9050ab710b33e95	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Negative	splash10-001i-0900000000-08f65d2671144611677b	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Negative	splash10-0a4i-3900000000-b7066717cdb0f4c4d8a5	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 10V, Positive	splash10-000i-0900000000-ac53f30f5946fcc05e5c	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 20V, Positive	splash10-000i-2900000000-f8b041142d824b822c6b	Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 40V, Positive	splash10-00mo-9200000000-7a9b4bb0887f0de3613a	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
1D NMR	1H 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

HMDB0037149

FooDB ID

FDB016144

Phenol Explorer ID

Not Available

KNApSAcK ID

C00054446

BiGG ID

Not Available

BioCyc ID

Not Available

METLIN ID

Not Available

PDB ID

Not Available

Wikipedia Link

Not Available

Chemspider ID

29734

ChEBI ID

Not Available

PubChem Compound ID

32065

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.

5H-5-METHYL-6,7-DIHYDROCYCLOPENTA(B)PYRAZINE (CHEM006561)

Structure for CHEM006561: 5H-5-METHYL-6,7-DIHYDROCYCLOPENTA(B)PYRAZINE