1.0 2010-04-08 22:09:30 UTC 2019-11-26 03:04:37 UTC FDB011159 5,6,7,8-Tetrahydroquinoxaline 5,6,7,8-Tetrahydroquinoxaline is a flavouring ingredient. It is found in wheat bread, cocoa, coffee, roasted filbert, roasted peanut, pork and roasted sesame. 5,6,7,8-Tetrahydro-quinoxaline Cyclohexapyrazine FEMA 3321 Quinoxaline, 5,6,7,8-tetrahydro- Tetrahydroquinoxaline C8H10N2 134.1784 134.08439833 5,6,7,8-tetrahydroquinoxaline 5,6,7,8-tetrahydroquinoxaline 34413-35-9 C1CCC2=C(C1)N=CC=N2 InChI=1S/C8H10N2/c1-2-4-8-7(3-1)9-5-6-10-8/h5-6H,1-4H2 XCZPDOCRSYZOBI-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 1.29 ALOGPS logs -0.50 ALOGPS solubility 4.26e+01 g/l ALOGPS melting_point Mp 29-30° logp 0.74 ChemAxon pka_strongest_basic 1.36 ChemAxon iupac 5,6,7,8-tetrahydroquinoxaline ChemAxon average_mass 134.1784 ChemAxon mono_mass 134.08439833 ChemAxon smiles C1CCC2=C(C1)N=CC=N2 ChemAxon formula C8H10N2 ChemAxon inchi InChI=1S/C8H10N2/c1-2-4-8-7(3-1)9-5-6-10-8/h5-6H,1-4H2 ChemAxon inchikey XCZPDOCRSYZOBI-UHFFFAOYSA-N ChemAxon polar_surface_area 25.78 ChemAxon refractivity 38.38 ChemAxon polarizability 14.82 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 2 ChemAxon donor_count 0 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 12753 Specdb::CMs 131392 Specdb::CMs 139126 Specdb::MsMs 294010 Specdb::MsMs 294011 Specdb::MsMs 294012 Specdb::MsMs 334621 Specdb::MsMs 334622 Specdb::MsMs 334623 Specdb::MsMs 2436457 Specdb::MsMs 2436458 Specdb::MsMs 2436459 Specdb::MsMs 2526624 Specdb::MsMs 2526625 Specdb::MsMs 2526626 Specdb::MsIr 5998 Specdb::MsIr 5999 Specdb::NmrOneD 118398 Specdb::NmrOneD 118399 Specdb::NmrOneD 118400 Specdb::NmrOneD 118401 Specdb::NmrOneD 118402 Specdb::NmrOneD 118403 Specdb::NmrOneD 118404 Specdb::NmrOneD 118405 Specdb::NmrOneD 118406 Specdb::NmrOneD 118407 Specdb::NmrOneD 118408 Specdb::NmrOneD 118409 Specdb::NmrOneD 118410 Specdb::NmrOneD 118411 Specdb::NmrOneD 118412 Specdb::NmrOneD 118413 Specdb::NmrOneD 118414 Specdb::NmrOneD 118415 Specdb::NmrOneD 118416 Specdb::NmrOneD 118417 HMDB33154 #<Reference:0x000055ce3171b268> Arabica coffee Type 1 specific Coffea arabica 13443 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 Nuts Unknown generic Robusta coffee Type 1 specific Coffea canephora 49390 bean cereal cheese chip corn musty nut roasted