1.0 2010-04-08 22:12:16 UTC 2025-11-19 01:44:46 UTC FDB016144 6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine 6,7-Dihydro-5-methyl-5H-cyclopenta[b]pyrazine is a flavouring ingredient. It is found 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 foods. 5-Methyl -6,7-dihydrocyclopentapyrazine 5-methyl-(5H)-6,7-dihydrocyclo- pentapyrazine 5-Methyl-5H-cyclopenta[b]pyrazine 5-Methyl-6,7-dihydro-(5H)-cyclopentapyrazine 5-Methyl-6,7-dihydro-5H-cyclopenta[b]pyrazine FEMA 3306 C8H10N2 134.1784 134.08439833 5-methyl-5H,6H,7H-cyclopenta[b]pyrazine 5-methyl-5H,6H,7H-cyclopenta[b]pyrazine 23747-48-0 CC1CCC2=C1N=CC=N2 InChI=1S/C8H10N2/c1-6-2-3-7-8(6)10-5-4-9-7/h4-6H,2-3H2,1H3 YZEFQPIMXZVPKP-UHFFFAOYSA-N 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. Pyrazines Organic compounds Organoheterocyclic compounds Diazines Pyrazines Aromatic heteropolycyclic compounds Azacyclic compounds Heteroaromatic compounds Hydrocarbon derivatives Organonitrogen compounds Organopnictogen compounds Aromatic heteropolycyclic compound Azacycle Heteroaromatic compound Hydrocarbon derivative Organic nitrogen compound Organonitrogen compound Organopnictogen compound Pyrazine logp 1.27 ALOGPS logs -0.46 ALOGPS solubility 4.60e+01 g/l ALOGPS logp 0.84 ChemAxon pka_strongest_basic 1.25 ChemAxon iupac 5-methyl-5H,6H,7H-cyclopenta[b]pyrazine ChemAxon average_mass 134.1784 ChemAxon mono_mass 134.08439833 ChemAxon smiles CC1CCC2=C1N=CC=N2 ChemAxon formula C8H10N2 ChemAxon inchi InChI=1S/C8H10N2/c1-6-2-3-7-8(6)10-5-4-9-7/h4-6H,2-3H2,1H3 ChemAxon inchikey YZEFQPIMXZVPKP-UHFFFAOYSA-N ChemAxon polar_surface_area 25.78 ChemAxon refractivity 38.35 ChemAxon polarizability 14.81 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 2 ChemAxon donor_count 0 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsIr 7411 Specdb::MsIr 7412 Specdb::CMs 11914 Specdb::CMs 167457 Specdb::MsMs 70923 Specdb::MsMs 70924 Specdb::MsMs 70925 Specdb::MsMs 129495 Specdb::MsMs 129496 Specdb::MsMs 129497 Specdb::MsMs 2693318 Specdb::MsMs 2693319 Specdb::MsMs 2693320 Specdb::MsMs 2986099 Specdb::MsMs 2986100 Specdb::MsMs 2986101 Specdb::NmrOneD 139150 Specdb::NmrOneD 139151 Specdb::NmrOneD 139152 Specdb::NmrOneD 139153 Specdb::NmrOneD 139154 Specdb::NmrOneD 139155 Specdb::NmrOneD 139156 Specdb::NmrOneD 139157 Specdb::NmrOneD 139158 Specdb::NmrOneD 139159 Specdb::NmrOneD 139160 Specdb::NmrOneD 139161 Specdb::NmrOneD 139162 Specdb::NmrOneD 139163 Specdb::NmrOneD 139164 Specdb::NmrOneD 139165 Specdb::NmrOneD 139166 Specdb::NmrOneD 139167 Specdb::NmrOneD 139168 Specdb::NmrOneD 139169 HMDB37149 #<Reference:0x000055ce31600658> Arabica coffee Type 1 specific Coffea arabica 13443 Black tea Type 1 Breakfast cereal Type 2 specific Cereals and cereal products Unknown generic Cocoa and cocoa products Unknown generic Cocoa bean Type 1 specific Theobroma cacao 3641 Coffee and coffee products Unknown generic Green tea Type 1 Green vegetables Unknown generic Herbal tea Type 1 Nuts Unknown generic Potato Type 1 specific Solanum tuberosum 4113 Red tea Type 1 Robusta coffee Type 1 specific Coffea canephora 49390 Tea Type 1 specific Camellia sinensis 4442 baked earthy nut peanut potato roast roasted