| Identification | Back Directory | [Name]
6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine | [CAS]
23747-48-0 | [Synonyms]
FEMA 3306
FEMA NUMBER 3306
5-METHYL-6,7-DIHYDROC
LABOTEST-BB LT00441061
MAPLE LACTONE PYRAZINE
METHYL DIHYDROCYCLOPENTAPYRAZINE
5-METHYL-2,3-CYCLOPENTENOPYRAZINE
5-Methyl-5H-cyclopenta[b]pyrazine
5-METHYL-6,7-DIHYDROCYCLOPENTAPYRAZINE
5H-5-METHYL-6 7-DIHYDROCYCLOPENTA(B)- &
5-METHYL-6,7-DIHYDROCYCLOPENTA(B)PYRAZINE
5H-5-METHYL-6,7-DIHYDROCYCLOPENTAPYRAZINE
5H-5-Methyl-6,7-dihydrocylope ntapyrazine
6,7-dihydro-5-methyl-5h-cyclopentapyrazin
6,7-DIHYDRO-5-METHYL-5H-CYCLOPENTAPYRAZINE
6,7-Dihydro-5-methylcyclopentapyrazine, 98%
5H-5-METHYL-6,7-DIHYDROCYCLOPENTA[B]PYRAZINE
5H-Cyclopentapyrazine, 6,7-dihydro-5-methyl-
5-Methyl-6,7-dihydro-(5H)-cyclopentapyrazine
5-methyl-(5H)-6,7-dihydrocyclo- pentapyrazine
6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine
6,7-Dihydro-5-methyl-5h-cyclopenta 1,4-diazine
5-METHYL-6,7-DIHYDRO-5(H)-CYCLOPENTA(B)PYRAZINE
6,7-Dihydro-5-methyl-5(H)-cyclopentapyrazine,98%
dihydromethylcyclopentapyrazine,6,7-dihydro-5-methyl-5H-cyclopentapyrazine | [EINECS(EC#)]
245-864-1 | [Molecular Formula]
C8H10N2 | [MDL Number]
MFCD00040997 | [MOL File]
23747-48-0.mol | [Molecular Weight]
134.18 |
| Hazard Information | Back Directory | [Chemical Properties]
clear yellow to yellow-orange to brown liquid | [Description]
5H-5-Methyl-6,7-dihydrocyclopenta(-b)pyrazine has an earthy,
baked potato, peanut, roasted odor. It may be prepared from condensation of 2-hydroxy-3-methyl-2-cyclopentene-l-one and ethylene
diamine; by condensing a cyclopentenolone with alkylenediamines,
or alternatively, an aliphatic α-diketone with 1,2-diamino cyclopentane; the resulting product is dehydrogenated in the presence
of palladium over activated charcoal or copper chromite. | [Occurrence]
Reported found in peanuts, filberts, asparagus, potato wheat and rye bread, cooked beef, pork, pork liver, beer,
cocoa, coffee, green tea, barley, filberts, almond, sesame seed, malt and wort | [Uses]
5-Methyl-6,7-dihydrocyclopentapyrazine can be used for drug storage packaging and antibacterial composition. | [Definition]
ChEBI: 6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine is a member of pyrazines. | [Preparation]
From condensation of 2-hydroxy-3-methyl-2-cyclopentene-1-one and ethylene diamine; by condensing a cyclopentenolone
with alkylenediamines, or alternatively, and aliphatic α-diketone with 1,2-diamino cyclopentane; the resulting product is dehydrogenated in the presence of palladium over activated charcoal or copper chromite. | [Aroma threshold values]
Aroma characteristics at 1.0%: sweet, nutty, roasted, toasted, grainy, coffee and corn with savory, meaty
nuances. | [Taste threshold values]
Taste characteristics at 15 ppm: nut skin, brown, roasted, oily with a cocoa and coffee nuance, musty, nutty,
and grainy | [General Description]
5H-5-Methyl-6,7-dihydrocyclopenta[b]pyrazine is the major flavor compound of palm sugar. It is also found in coffee and cooked meat. |
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