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| Cat. # | Description | CAS # | 
| CA-2075 | 3-Amino-4-bromo-6-chloropyridazine | 446273-59-2 | 
| CA-0285 | 3-Amino-6-chloro-4-methylpyridazine | 64068-00-4 | 
| CA-0123 | 3-Amino-6-bromopyridazine | 88497-27-2 | 
| CA-0798 | 3-Amino-6-chloropyridazine | 5469-69-2 | 
| CA-2079 | 4-Amino-3-chloropyridazine | 55928-83-1 | 
| CA-2083 | 5-Amino-3-chloropyridazine | 29049-45-4 | 
| CA-2084 | 5-Amino-4-chloropyridazine | 53180-92-0 | 
| CA-2076 | 3-Amino-6-chloro-4-[(trimethylsilyl)ethynyl]pyridazine | 1207625-15-7 | 
| CA-2077 | 3-Amino-6-cyanopyridazine | 340759-46-8 | 
| CA-2080 | 4-Amino-3,6-dichloro-5-nitropyridazine | 28682-68-0 | 
| CA-2081 | 4-Amino-3,5-dichloropyridazine | 53180-76-0 | 
| CA-0008 | 4-Amino-3,6-dichloropyridazine | 823-58-5 | 
| CA-2082 | 4-Amino-5,6-dichloropyridazine | 89180-50-7 | 
| CA-1907 | 3-Amino-6-methoxypyridazine | 7252-84-8 | 
| CA-2078 | 3-Amino-4-methylpyridazine | 90568-15-3 | 
| CA-0562 | 3-Amino-6-methylpyridazine | 18591-82-7 | 
| CA-0589 | 6-(4-Aminophenyl)-5-methylpyridazin-3(2H)one | 36725-28-7 | 
| CA-1679 | 3-Aminopyridazine | 5469-70-5 | 
| CA-2085 | 4-Aminopyridazine | 20744-39-2 | 
| CA-1957 | 6-Aminopyridazine-3-carboxylic acid | 59772-58-6 | 
| CA-1877 | 3-Aminopyridazine hydrochloride | 89203-22-5 | 
| CB-4029 | 4-(Boc-amino)-1-(6-chloro-3-pyridazinyl)piperidine | 596817-46-8 | 
| CB-2674 | 3-Bromo-7-chlorocinnoline | 1083181-45-6 | 
| CB-3444 | 6-Bromo-4-chloro-7-ethoxycinnoline-3-carbonitrile | 1041853-28-4 | 
| CB-3009 | 3-Bromo-6-chloroimidazo[1,2-b]pyridazine | 13526-66-4 | 
| CB-3449 | 6-Bromo-4-chloro-7-methoxycinnoline-3-carboxamide | 1041853-24-0 | 
| CB-2203 | 3-Bromocinnoline | 78593-33-6 | 
| CB-2204 | 6-Bromocinnoline | 318276-72-1 | 
| CB-2205 | 8-Bromocinnoline | 67888-34-0 | 
| CB-3878 | 6-Bromo-N,N-dimethyl-3-pyridazinamine | 14959-33-2 | 
| CB-3879 | 6-Bromo-N-ethyl-3-pyridazinamine | 111454-69-4 | 
| CB-3880 | 6-Bromo-N-methyl-3-pyridazinamine | 1208657-07-1 | 
| CB-2327 | 3-Bromo-6-methylpyridazine | 65202-58-6 | 
| CB-0005 | 3-Bromopyridazine | 88491-61-6 | 
| CB-1012 | 4-Bromopyridazine | 115514-66-4 | 
| CB-4027 | 4-tert-Butyl-3,6-dichloropyridazine | 22808-29-3 | 
| CB-4028 | 1-(5-tert-Butyl-6-chloropyridazin-3-yl)hydrazine | 252977-55-2 | 
| CC-2375 | 3-Chloro-6-(chloromethyl)pyridazine | 120276-59-7 | 
| CC-1719 | 7-Chlorocinnolin-3-ol | 101494-93-3 | 
| CC-0455 | 3-Chloro-6-(cyclopropylamino)pyridazine | 941294-45-7 | 
| CC-2054 | 3-Chloro-4,5-dimethoxypyridazine | 2096-22-2 | 
| CC-2059 | 4-Chloro-3,5-dimethoxypyridazine | 63910-48-5 | 
| CC-0456 | 6-Chloro-N,N-dimethylpyridazin-3-amine | 7145-60-0 | 
| CC-0479 | 3-Chloro-6-(ethylamino)pyridazine | 68588-39-6 | 
| CC-2245 | 3-Chloro-4-ethylpyridazine | 1292369-86-8 | 
| CC-2246 | 6-Chloro-4-ethylpyridazin-3-ol | 61404-49-7 | 
| CC-2247 | 6-Chloro-5-ethylpyridazin-3-ol | 61404-44-2 | 
| CC-2248 | 6-Chloro-4-iodo-3-methoxypyridazine | 181355-92-0 | 
| CC-2055 | 3-Chloro-6-iodopyridazine | 135034-10-5 | 
| CC-0904 | 6-Chloroimidazo[1,2-b]pyridazine | 6775-78-6 | 
| CC-1831 | 6-Chloroimidazo[1,2-b]pyridazine-2-carboxylic acid | 14714-24-0 | 
| CC-2249 | 3-Chloro-6-methoxypyridazine | 1722-10-7 | 
| CC-2250 | 3-Chloro-5-methoxypyridazine hydrochloride | 1245646-61-0 | 
| CC-1795 | 4-Chloro-5-methoxypyridazin-3(2H)-one | 63910-43-0 | 
| CC-0511 | 3-Chloro-6-methylaminopyridazine | 14959-32-1 | 
| CC-1713 | 6-Chloro-2-methylimidazo[1,2-b]pyridazine | 14793-00-1 | 
| CC-2203 | 3-(Chloromethyl)pyridazine | 41227-72-9 | 
| CC-0733 | 3-Chloro-4-methylpyridazine | 68206-04-2 | 
| CC-1649 | 3-Chloro-5-methylpyridazine | 89283-31-8 | 
| CC-0519 | 3-Chloro-6-methylpyridazine | 1121-79-5 | 
| CC-2112 | 6-Chloro-3-methyl-[1,2,4]triazolo[4,3-b]pyridazine | 7197-01-5 | 
| CC-0132 | 3-Chloro-6-phenylpyridazine | 20375-65-9 | 
| CC-1637 | 3-Chloropyridazine | 1120-95-2 | 
| CC-0057 | 4-Chloropyridazine | 17180-92-6 | 
| CC-1715 | 6-Chloropyridazine-3-carbaldehyde | 303085-53-2 | 
| CC-1716 | 6-Chloropyridazine-3-carbonitrile | 35875-89-7 | 
| CC-1390 | 6-Chloropyridazine-3-carboxamide | 66346-83-6 | 
| CC-1639 | 6-Chloropyridazine-3-carboxylic acid | 5096-73-1 | 
| CC-1717 | (6-Chloropyridazin-3-yl)methanol | 1011487-94-7 | 
| CC-2207 | 2-[1-(6-Chloropyridazin-3-yl)piperidin-2-yl]ethanol | 1094450-19-7 | 
| CC-2057 | 3-Chloropyridazine hydrochloride | 856847-77-3 | 
| CC-2060 | 4-Chloropyridazine hydrochloride | 1193386-63-8 | 
| CC-1966 | 6-Chloropyridazin-3-ol | 19064-67-6 | 
| CC-1009 | 1-(6-Chloropyridazino-3-yl)morpholine | 17259-32-4 | 
| CC-2052 | 3-Chloro-7H-pyrrolo[2,3-c]pyridazine | 1207625-18-0 | 
| CC-1261 | 6-Chloro[1,2,4]triazolo[4,3-b]pyridazine | 28593-24-0 | 
| CC-2479 | 6-Chloro-1,2,4-triazolo[4,3-b]pyridazin-3(2H)-one | 33050-32-7 | 
| CC-1672 | 3-Chloro-6-(trifluoromethyl)pyridazine | 258506-68-2 | 
| CC-1343 | 3-Cinnolinecarbaldehyde | 51073-57-5 | 
| CC-1344 | 4-Cinnolinecarbaldehyde | 90418-57-8 | 
| CD-0431 | 3,6-Diaminopyridazine | 61070-99-3 | 
| CD-0355 | 4,5-Diaminopyridazine | 28682-70-4 | 
| CD-0967 | 3,6-Dibromopyridazine | 17973-86-3 | 
| CD-1434 | 4,5-Dibromo-3(2H)-pyridazinone | 5788-58-9 | 
| CD-1430 | 3,6-Dichloro-4,5-dimethylpyridazine | 34584-69-5 | 
| CD-0289 | 3,6-Dichloro-4-methoxypyridazine | 70952-62-4 | 
| CD-0290 | 3,6-Dichloro-4-methylpyridazine | 19064-64-3 | 
| CD-1867 | 4,5-Dichloro-2-methyl-2H-pyridazin-3-one | 933-76-6 | 
| CD-0312 | 3,6-Dichloropyridazine-4-carbaldehyde | 130825-10-4 | 
| CD-0313 | 3,6-Dichloropyridazine-4-carboxylic acid | 51149-08-7 | 
| CD-0291 | 3,6-Dichloropyridazin-4-ol | 2779-81-9 | 
| CD-1435 | 4,5-Dichloro-3(2H)-pyridazinone | 932-22-9 | 
| CD-0439 | 1,4-Dichloropyrido[4,3-d]pyridazine | 14490-19-8 | 
| CD-0329 | 5,8-Dichloropyrido[2,3-d]pyridazine | 703-33-3 | 
| CD-2418 | 3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine | 33050-38-3 | 
| CD-1436 | 4,5-Dihydro-6-methylpyridazin-3(2H)-one | 5157-08-4 | 
| CD-0314 | 3,6-Dihydroxy-4-chloropyridazine | 5397-64-8 | 
| CD-1614 | 3,6-Dihydroxy-4-methylpyridazine | 5754-18-7 | 
| CD-1390 | 3,6-Diiodopyridazine | 20698-04-8 | 
| CD-0306 | 4,5-Dimethoxypyridazine | 55271-48-2 | 
| CD-1794 | 3,6-Dimethoxypyridazine-4-boronic acid | 1015480-87-1 | 
| CD-1431 | 4,5-Dimethylpyridazine-3,6-diol | 5754-17-6 | 
| CE-0781 | Ethyl 6-chloroimidazo[1,2-b]pyridazine-2-carboxylate | 64067-99-8 | 
| CE-0525 | Ethyl 6-chloro-3-pyridazinecarboxylate | 75680-92-1 | 
| CE-0072 | Ethyl 3-pyridazinone-6-carboxylate | 63001-31-0 | 
| CH-0346 | 3-Hydrazinyl-4-methylpyridazine | 82426-93-5 | 
| CH-0867 | 3-Hydroxypyridazine | 504-30-3 | 
| CH-348 | 4-Hydroxypyridazine | 20733-10-2 | 
| CH-0860 | 6-Hydroxypyridazine-3-carboxaldehyde | 933734-91-9 | 
| CH-0818 | 6-Hydroxypyridazine-3-carboxylic acid | 37972-69-3 | 
| CI-0125 | Imidazo[1,2-b]pyridazine | 766-55-2 | 
| CI-0157 | Imidazo[1,2-b]pyridazine-6-carboxylic acid | 769109-13-9 | 
| CI-0467 | Imidazo[1,2-a]pyrazine-2-carboxylic acid | 77112-53-9 | 
| CI-0500 | Imidazo[1,2-a]pyrazin-2-ylmethanamine | 1019030-08-0 | 
| CI-0425 | 1-Imidazo[1,2-b]pyridazin-3-ylethanone | 453548-65-7 | 
| CI-0009 | 6-Iodo-3-aminopyridazine | 187973-60-0 | 
| CI-0007 | 5-Iodo-3(2H)-pyridazinone | 825633-94-1 | 
| CM-2047 | 5-Methoxypyridazin-3(2H)-one | 123696-01-5 | 
| CM-1309 | Methyl 6-chloropyridazine-3-carboxylate | 65202-50-8 | 
| CM-2218 | Methyl 1-(6-chloro-3-pyridazinyl)piperidine-3-carboxylate | 1208086-32-1 | 
| CM-1251 | 3-Methylcinnoline | 17372-78-0 | 
| CM-1252 | 4-Methylcinnoline | 14722-38-4 | 
| CM-1253 | 6-Methylcinnoline | 318276-69-6 | 
| CM-1254 | 8-Methylcinnoline | 5265-38-3 | 
| CM-2212 | Methyl 3,6-dichloropyridazine-4-carboxylate | 286946-24-5 | 
| CM-1994 | Methyl imidazo[1,2-b]pyridazine-6-carboxylate | 316352-05-3 | 
| CM-2283 | 4-Methylpyridazine-3-carbonitrile | 106861-17-0 | 
| CM-2285 | 4-Methylpyridazine-3-carboxylic acid | 25247-28-3 | 
| CM-2286 | 6-Methylpyridazine-3-carboxylic acid | 64210-60-2 | 
| CM-2287 | 4-Methylpyridazine-3,6-dione | 73268-15-2 | 
| CM-1628 | 4-Methylpyridazin-3(2H)-one | 33471-40-8 | 
| CM-1629 | 5-Methylpyridazin-3(2H)-one | 54709-94-3 | 
| CO-0007 | 6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid | 27372-38-9 | 
| CP-0724 | Pyridazine-4-boronic acid pinacol ester | 863422-41-7 | 
| CP-1002 | 3-Pyridazinecarbaldehyde | 60170-83-4 | 
| CP-0922 | 4-Pyridazinecarbaldehyde | 50901-42-3 | 
| CP-0990 | 3-Pyridazinecarbonitrile | 53896-49-4 | 
| CP-0989 | 4-Pyridazinecarbonitrile | 68776-62-5 | 
| CP-0988 | 4-Pyridazinecarboxamide | 88511-47-1 | 
| CP-0846 | 3-Pyridazinecarboxylic acid | 2164-61-6 | 
| CP-0326 | 4-Pyridazinecarboxylic acid | 50681-25-9 | 
| CP-0366 | 3,4-Pyridazinediamine | 61070-98-2 | 
| CP-0007 | Pyridazine-3,6-dicarboxylic acid | 57266-70-3 | 
| CP-0321 | Pyridazine-4,5-dicarboxylic acid | 59648-14-5 | 
| CP-0986 | Pyridazine-4,5-diol | 55271-47-1 | 
| CP-0845 | Pyridazine-3-methanol | 37444-46-5 | 
| CT-0205 | 3,4,5-Trichloropyridazine | 14161-11-6 | 
| CT-0206 | 3,4,6-Trichloropyridazine | 6082-66-2 |