We emphasize 3- and 4-monosubstituted pyridazines.

Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS007939 CASRN:   54709-94-3 MFCD #:   MFCD10698050		110	3-Hydroxy-5-methyl-pyridazine (Purity >95%) At least 40 grams in stock	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 75 95 195 495 1795 2995
Catalog #:   FS000313 CASRN:   5469-70-5 MFCD #:   MFCD01529869		95	3-Aminopyridazine (Purity >95%) At least 40 grams in stock	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 75 95 145 295 995 2495 3495
Catalog #:   FS002064 CASRN:   19064-74-5 MFCD #:   MFCD08706238		209	6-Bromo-phthalazine (Purity >95%) At least 4.5 grams in stock	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 112 142 292 892 2992
Catalog #:   FS012212 CASRN:   914637-40-4 MFCD #:   MFCD08235214		173	3-Chloro-6-methyl-pyridazine-4-carboxylic acid (Purity >95%) At least 0.5 grams in stock	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 75 195 495 995 2495 3995
Catalog #:   FS007147 CASRN:   75680-92-1 MFCD #:   MFCD09908168		187	6-Chloro-pyridazine-3-carboxylic acid ethyl ester (Purity >95%)	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       995 1895 2995
Catalog #:   FS001234 CASRN:   90434-90-5 MFCD #:   MFCD08706001		237	3-Piperazin-1-yl-pyridazine dihydrochloride (Purity >95%) At least 1 grams in stock	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       795 2450 3950
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS007178 CASRN:   21141-03-7 MFCD #:   MFCD01318258		139	3-Amino-pyridazine-4-carboxylic acid (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         4990 9800
Catalog #:   FS009167 CASRN:   1083337-92-1 MFCD #:   MFCD10700180		123	4-(2-Aminoethyl)-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         2995 4995
Catalog #:   FS009169 CASRN:   519020-42-9 MFCD #:   MFCD09263257		109	4-Aminomethyl-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       950 1995 4995
Catalog #:   FS010190 CASRN:    MFCD #:   MFCD17012924		309	1-(2-Bromo-3-fluorophenyl)-3-(pyridazin-4-yl)propan-2-one (Purity >95%)	Special Order* : Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1495 3995
Catalog #:   FS009098 CASRN:   1046816-40-3 MFCD #:   MFCD11223464		199	3-Bromo-6-cyclopropyl-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g     1495 2495 6995
Catalog #:   FS009507 CASRN:   1159818-53-7 MFCD #:   MFCD12032765		236	3-Bromo-6-pyridin-3-yl-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g     995 2995
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS009079 CASRN:   88491-61-6 MFCD #:   MFCD10688587		159	3-Bromo-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1495 2995
Catalog #:   FS007733 CASRN:   1010422-26-0 MFCD #:   MFCD11036147		184	(6-Chloro-pyridazin-3-yl)-cyclobutyl-amine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       995 2995 4995
Catalog #:   FS009197 CASRN:   1193386-63-8 MFCD #:   MFCD13176698		150.996	4-Chloropyridazine HCl (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1995 3495 5995
Catalog #:   FS009165 CASRN:   68776-62-5 MFCD #:   MFCD09263328		105	4-Cyano-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         1995
Catalog #:   FS007730 CASRN:   1010422-13-5 MFCD #:   MFCD11036146		149	Cyclobutyl-pyridazin-3-yl-amine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1295 3995
Catalog #:   FS010186 CASRN:   90557-97-4 MFCD #:   MFCD17012920		194	Ethyl 2-oxo-3-(pyridazin-4-yl)propanoate (Purity >95%)	Special Order* : Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1095 2495 4995
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS009166 CASRN:   20733-10-2 MFCD #:   MFCD00233967		96	4-Hydroxy-pyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         4995
Catalog #:   FS009170 CASRN:   504-30-3 MFCD #:   MFCD00099605		96	3-Hydroxypyridazine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g           2995
Catalog #:   FS009175 CASRN:   34231-77-1 MFCD #:   MFCD09953488		138	Methyl pyridazine-4-carboxylate (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         895 1995
Catalog #:   FS010189 CASRN:    MFCD #:   MFCD17012923		188	1-(3-Methylenecyclobutyl)-2-(pyridazin-4-yl)ethanone (Purity >95%)	Special Order* : Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1295 3995
Catalog #:   FS009966 CASRN:   504-30-3 MFCD #:   MFCD00099605		96	2H-Pyridazin-3-one (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g           2995
Catalog #:   FS010187 CASRN:   125375-25-9 MFCD #:   MFCD17012921		136	1-(Pyridazin-4-yl)propan-2-one (Purity >95%)	Special Order* : Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1495 3495
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS007144 CASRN:   20744-39-2 MFCD #:   MFCD00233975		95	Pyridazin-4-ylamine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         2495 4995
Catalog #:   FS009178 CASRN:   88497-62-5 MFCD #:   MFCD11869742		139	Pyridazine-3-carbothioamide (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g     995 1495 3495 6495
Catalog #:   FS007146 CASRN:   1126-10-9 MFCD #:   MFCD09908167		152	Pyridazine-3-carboxylic acid ethyl ester (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       895 2495 4995
Catalog #:   FS010188 CASRN:    MFCD #:   MFCD17012922		251	tert-Butyl 2-oxo-3-(pyridazin-4-yl)propylcarbamate (Purity >95%)	Special Order* : Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1495 3995

*Note concerning Special Order chemicals: these are made to order with a typical lead time of 6 weeks. Minimum order sizes apply (usually 1 gram). Prices are listed in the catalog for available quantities only.