Pyrazines

Pyrazines (paradiazines) are heterocyclic six-membered aromatic compounds containing para nitrogen atoms. Pyrazine derivatives are known for antitumor, antibiotic, anticonvulsant, antituberculosis and diuretic activities, as well as kinase, enzymatic, and potent tubulin and FtsZ polymerization inhibition. Pyrazines are volatile compounds that are also of interest to the cosmetic, food, flavor, and fragrance industries.

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ANV00065 2-Bromo-6-chloropyrazine AldrichCPR C4H2BrClN2
709670 3,5-Dibromo-2-hydroxypyrazine 97% C4H2Br2N2O
465208 2,3-Dichloropyrazine 95% C4H2Cl2N2
132497 2,6-Dichloropyrazine 98% C4H2Cl2N2
SYX00011 2,6-Diiodopyrazine AldrichCPR C4H2I2N2
ANV00060 5-Bromo-6-chloro-pyrazin-2-amine AldrichCPR C4H3BrClN3
CDS005022 2-Bromopyrazine AldrichCPR C4H3BrN2
754595 2-Bromopyrazine 97% C4H3BrN2
709735 2-Bromo-5-hydroxypyrazine 95% C4H3BrN2O
494364 2-Amino-3,5-dibromopyrazine 97% C4H3Br2N3
132489 2-Chloropyrazine 97% C4H3ClN2
CBR01733 6-Chloro-2-pyrazinol AldrichCPR C4H3ClN2O
513164 Iodopyrazine 97% C4H3IN2
636320 2-Amino-5-bromopyrazine 97% C4H4BrN3
720364 2-Amino-3-chloropyrazine 97% C4H4ClN3
CDS005437 2-amino-5-chloropyrazine AldrichCPR C4H4ClN3
CDS013619 2-amino-6-chloropyrazine AldrichCPR C4H4ClN3
P56003 Pyrazine ≥99% C4H4N2
740152 2-Hydroxypyrazine 97% C4H4N2O
678260 Pyrazine N-oxide 97% C4H4N2O
685763 2,3-Diamino-5-bromopyrazine 97% C4H5BrN4
738964 2-Chloro-3-hydrazinopyrazine 95% C4H5ClN4
632619 3-Chloro-6-hydrazinopyridazine 97% C4H5ClN4
A76958 Aminopyrazine 98% C4H5N3
753378 2-Chloro-5-(trifluoromethyl)pyrazine 97% C5H2ClF3N2
CDS006416 2-chloro-5-cyanopyrazine AldrichCPR C5H2ClN3
759899 6-Chloro-1,2,4-triazolo[4,3-a]pyrazine 95% C5H3ClN4
740667 8-Chloro-1,2,4-triazolo[4,3-a]pyrazine 97% C5H3ClN4
730025 2-(Trifluoromethyl)pyrazine 97% C5H3F3N2
349496 Pyrazinecarbonitrile 99% C5H3N3
CDS020025 3-Amino-6-bromopyrazine-2-carboxylic acid AldrichCPR C5H4BrN3O2
CDS008587 pyrazine-2-carbaldehyde AldrichCPR C5H4N2O
P56100 Pyrazinecarboxylic acid 99% C5H4N2O2
CDS005173 5-aminopyrazine-2-carbonitrile AldrichCPR C5H4N4
CDS013629 2-chloro-3-methylpyrazine AldrichCPR C5H5ClN2
CDS013631 2-Chloro-6-methylpyrazine AldrichCPR C5H5ClN2
ANV00028 2-Chloro-6-methylpyrazine AldrichCPR C5H5ClN2
759228 2-Iodo-6-methoxypyrazine 95% C5H5IN2O
A76982 3-Amino-2-pyrazinecarboxylic acid ≥99% C5H5N3O2
730343 Pyrazine-2-thiocarboxamide 97% C5H5N3S
732125 2-Amino-5-bromo-3-methoxypyrazine 95% C5H6BrN3O
M75608 2-Methylpyrazine ≥99% C5H6N2
291420 2-Methoxypyrazine 95% C5H6N2O
CDS017602 2-pyrazinylmethanol AldrichCPR C5H6N2O
750328 Pyrazine-2-amidoxime 97% C5H6N4O
CDS009594 2-aminomethylpyrazine AldrichCPR C5H7N3
399620 2,3-Pyrazinedicarbonitrile 98% C6H2N4
685798 3-Bromoimidazo[1,2-a]pyrazine 96% C6H4BrN3
P56208 2,3-Pyrazinedicarboxylic acid 97% C6H4N2O4
540498 2,5-Pyrazinedicarboxylic acid dihydrate 96% C6H4N2O4 · 2H2O
CDS010288 5-Pyrazinyl-1,3,4-oxadiazol-2-ol AldrichCPR C6H4N4O2
CDS000262 5,6-Diamino-2,3-pyrazinedicarbonitrile AldrichCPR C6H4N6
685771 Imidazo[1,2-a]pyrazine 97% C6H5N3
737313 Methyl 3-amino-6-bromopyrazine-2-carboxylate 95% C6H6BrN3O2
753157 2-(1,1-Difluoroethyl)pyrazine 95% C6H6F2N2
716022 2-Vinylpyrazine 97% C6H6N2
251801 Acetylpyrazine 97% C6H6N2O
CDS003770 2-pyrazine acetic acid AldrichCPR C6H6N2O2
347647 5-Methyl-2-pyrazinecarboxylic acid 98% C6H6N2O2
519677 Methyl 2-pyrazinecarboxylate 97% C6H6N2O2
777536   6-Methoxypyrazine-2-carboxylic acid 97% C6H6N2O3
P56151 2,3-Pyrazinedicarboxamide 95% C6H6N4O2
C38400 3-Chloro-2,5-dimethylpyrazine 98% C6H7ClN2
596833 Methyl 3,5-diamino-6-chloropyrazine-2-carboxylate 98% C6H7ClN4O2
276154 Methyl 3-amino-2-pyrazinecarboxylate 97% C6H7N3O2
199400 2,3-Dimethylpyrazine 99% C6H8N2
175420 2,5-Dimethylpyrazine 98% C6H8N2
D181803 2,6-Dimethylpyrazine 98% C6H8N2
250384 Ethylpyrazine 98% C6H8N2
297941 2-Methoxy-3-methylpyrazine 99% C6H8N2O
545791 2-Methyl-3-(methylthio)pyrazine 80% C6H8N2S
CDS008457 5-methylpyrazine-2-carboxamidine AldrichCPR C6H8N4
CDS017542 thieno[2,3-b]pyrazine-6-carboxylic acid AldrichCPR C7H4N2O2S
CDS013843 1-pyrazin-2-yl-propan-2-one AldrichCPR C7H8N2O
CDS019080 2-Amino-5-(cyclopropyl)pyrazine AldrichCPR C7H9N3
199419 2,3,5-Trimethylpyrazine 99% C7H10N2
293806 2-Ethyl-3-methoxypyrazine 99% C7H10N2O
399639 5,6-Dimethyl-2,3-pyrazinedicarbonitrile 99% C8H6N4
CDS007376 5-Pyrazin-2-yl-1H-pyrazole-3-carboxylic acid AldrichCPR C8H6N4O2
183938 2,3,5,6-Tetramethylpyrazine 98% C8H12N2
292982 2,3-Diethylpyrazine 98% C8H12N2
CBR00478 (3,5,6-Trimethylpyrazin-2-yl)methanol AldrichCPR C8H12N2O
CDS000107 2-Isopropoxy-3-methylpyrazine AldrichCPR C8H12N2O
243132 2-Isopropyl-3-methoxypyrazine 97% C8H12N2O
CBR01041 1-Methyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine hydrochloride AldrichCPR C8H13ClN2
CBR01507 1-Methyloctahydropyrrolo[1,2-a]pyrazine AldrichCPR C8H16N2
CDS014017 4-methyl-2-(2-pyrazinyl)-1,3-thiazole-5-carbonyl chloride AldrichCPR C9H6ClN3OS
CDS009073 6-morpholin-4-ylpyrazine-2-carboxylic acid AldrichCPR C9H11N3O3
CDS006028 3-piperazin-1ylpyrazine-2-carbonitrile AldrichCPR C9H11N5
293814 2,3-Diethyl-5-methylpyrazine 99% C9H14N2
297666 2-Isobutyl-3-methoxypyrazine 99% C9H14N2O
243116 2-sec-Butyl-3-methoxypyrazine 99% C9H14N2O
CBR00757 1-Ethyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine hydrochloride AldrichCPR C9H15ClN2
CDS003879 2-[(5-methylpyrazine-2-carbonyl)amino]propylamine hydrochloride AldrichCPR C9H15ClN4O
CBR01444 1-(2-Pyrazinyl)-3-piperidinamine dihydrochloride AldrichCPR C9H16Cl2N4
300993 Copper(II) 2-pyrazinecarboxylate 97% C10H6CuN4O4
CDS011718 2-phenyl-pyrazine AldrichCPR C10H8N2
728926 2-Amino-5-phenylpyrazine 97% C10H9N3
545783 3-(3-Furylmethylthio)-2-methylpyrazine 97% C10H10N2OS
CDS008543 2-chloro-6-[(4-methyl-1-piperazinyl)carbonyl]pyrazine AldrichCPR C10H13ClN4O
CDS005790 6-chloro-N-cyclohexylpyrazin-2-amine AldrichCPR C10H14ClN3
CDS009268 tert-Butyl 3-bromo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate AldrichCPR C10H15BrN4O2
CDS011317 3-amino-6-phenyl-2-pyrazinecarboxamide AldrichCPR C11H10N4O
CDS009238 3-[3-(trifluoromethyl)phenoxy]pyrazine-2-carboxylic acid AldrichCPR C12H7F3N2O3
CDS017875 4-Chloro-1-(4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine AldrichCPR C12H9ClN4O
CDS017281 3-[(6-methylpyrazin-2-yl)oxy]benzoic acid AldrichCPR C12H10N2O3
CDS017258 4-[(6-methylpyrazin-2-yl)oxy]benzoic acid AldrichCPR C12H10N2O3
CDS002719 1-Phenyl-2-(2-pyrazinyl)ethanol AldrichCPR C12H12N2O
CDS016135 2-(4-bromophenyl)-4-(2-hydroxyethyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one AldrichCPR C12H13BrN2O2
CDS004786 2-pyrazin-2-yl-1-(4-trifluoromethylphenyl)ethanol AldrichCPR C13H11F3N2O
CDS018451 1-(4-Fluorophenyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine AldrichCPR C13H13FN2
ADE001245 1-(7-bromo-4-methyl-3,4-dihydropyrido[2,3-b]pyrazin-1(2H)-yl)-2,2-dimethylpropan-1-one AldrichCPR C13H18BrN3O
281646 2,3-Bis(2-pyridyl)pyrazine 98% C14H10N4
CDS007090 ethyl 4-(b-(5-methylpyrazine-2-carboxyamido)ethyl)benzene sulfonamide carbamate AldrichCPR C17H20N4O5S
495557 Tetra-2-pyridinylpyrazine 97% C24H16N6