Building Block Products
- [All products]
- Primary amines (aliphatic)
- Primary amines (aromatic)
- Secondary amines (aliphatic)
- Hydrazines
- Primary alcohols
- Secondary alcohols
- Phenols (Aryl-OH)
- Active aliphatic halides
- Active aromatic halides
- Aryl bromides
- Aryl iodides
- Thiols
- Sulfonyl halides
- Aldehydes
- Ketones Alk-CO-Alk
- Ketones Ar-CO-Alk
- Ketones Ar-CO-Ar
- Enones and similar
- 1,2-Dicarbonyl compounds
- 1,3-Dicarbonyl compounds
- Carboxylic acids (including salts)
- Acyl halides
- Hydrazides
- Cyclic amides
- Amidines
- Isothiocyanates
- Isocyanates
- Boronic acids
- Oxiranes
- Amidoximes
- Guanidines
- Azides
- Azoles
- Furans
- Nitriles
- Terminal acetylenes
- Mono-functional
- Bi-functional
- Multi-functional
- Other

![3-[(2R)-5-oxo-2-pyrrolidinyl]propanoic acid 3-[(2R)-5-oxo-2-pyrrolidinyl]propanoic acid](/img/bb/040/4074625.jpeg)

![1-methyl-1H-pyrazolo[4,3-b]pyridine-6-carboxylic acid 1-methyl-1H-pyrazolo[4,3-b]pyridine-6-carboxylic acid](/img/bb/040/4074691.jpeg)


![rac-(4aS,7aS)-hexahydropyrrolo[3,4-b][1,4]oxazin-3(2H)-one rac-(4aS,7aS)-hexahydropyrrolo[3,4-b][1,4]oxazin-3(2H)-one](/img/bb/040/4074762.jpeg)



![2-cyclopropyl-2,6-diazaspiro[3.3]heptane bis(trifluoroacetate) 2-cyclopropyl-2,6-diazaspiro[3.3]heptane bis(trifluoroacetate)](/img/bb/040/4075124.jpeg)



![tert-butyl rac-(5aS,8aS)-3-aminohexahydro-2H,7H-[1,4]dioxepino[2,3-c]pyrrole-7-carboxylate tert-butyl rac-(5aS,8aS)-3-aminohexahydro-2H,7H-[1,4]dioxepino[2,3-c]pyrrole-7-carboxylate](/img/bb/040/4075255.jpeg)

![5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-ol 5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-ol](/img/bb/040/4075278.jpeg)
![3-bromo-4-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine 3-bromo-4-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine](/img/bb/040/4075314.jpeg)
![8-(tert-butoxycarbonyl)-2,8-diazaspiro[4.5]decane-3-carboxylic acid hydrochloride 8-(tert-butoxycarbonyl)-2,8-diazaspiro[4.5]decane-3-carboxylic acid hydrochloride](/img/bb/040/4075413.jpeg)


![5-bromoimidazo[1,2-a]pyrazine 5-bromoimidazo[1,2-a]pyrazine](/img/bb/040/4075635.jpeg)
![3-[(methylsulfonyl)methyl]pyrrolidine hydrochloride 3-[(methylsulfonyl)methyl]pyrrolidine hydrochloride](/img/bb/040/4075668.jpeg)

![[trans-4-methoxy-1,1-dioxidotetrahydro-3-thienyl]amine hydrochloride [trans-4-methoxy-1,1-dioxidotetrahydro-3-thienyl]amine hydrochloride](/img/bb/040/4075700.jpeg)




![rac-[(3aS,6aS)-2-methylhexahydropyrrolo[3,4-c]pyrrol-3a(1H)-yl]methanol dihydrochloride rac-[(3aS,6aS)-2-methylhexahydropyrrolo[3,4-c]pyrrol-3a(1H)-yl]methanol dihydrochloride](/img/bb/040/4075955.jpeg)

![5-methylpyrazolo[1,5-a]pyridine-2-carboxylic acid 5-methylpyrazolo[1,5-a]pyridine-2-carboxylic acid](/img/bb/040/4076035.jpeg)



![5-methylpyrazolo[1,5-a]pyridin-3-amine 5-methylpyrazolo[1,5-a]pyridin-3-amine](/img/bb/040/4076225.jpeg)
![{[(2S)-1-methyl-2-pyrrolidinyl]methyl}amine dihydrochloride {[(2S)-1-methyl-2-pyrrolidinyl]methyl}amine dihydrochloride](/img/bb/040/4076302.jpeg)





![rac-(3aR,6aR)-hexahydro-2H-furo[3,2-b]pyrrole hydrochloride rac-(3aR,6aR)-hexahydro-2H-furo[3,2-b]pyrrole hydrochloride](/img/bb/040/4076554.jpeg)
![(5s,8r)-1-azaspiro[4.5]decan-8-ol hydrochloride (5s,8r)-1-azaspiro[4.5]decan-8-ol hydrochloride](/img/bb/040/4076555.jpeg)

![3-bromo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine 3-bromo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine](/img/bb/040/4076633.jpeg)

![4-methyl-1-oxa-4,9-diazaspiro[5.5]undecane dihydrochloride 4-methyl-1-oxa-4,9-diazaspiro[5.5]undecane dihydrochloride](/img/bb/040/4076745.jpeg)

![tert-butyl 6-oxa-2,9-diazaspiro[4.5]decane-9-carboxylate hydrochloride tert-butyl 6-oxa-2,9-diazaspiro[4.5]decane-9-carboxylate hydrochloride](/img/bb/040/4076843.jpeg)






![{[(2R)-1-isopropyl-2-pyrrolidinyl]methyl}amine dihydrochloride {[(2R)-1-isopropyl-2-pyrrolidinyl]methyl}amine dihydrochloride](/img/bb/040/4077208.jpeg)

![[cis-4-methoxytetrahydro-3-furanyl]amine hydrochloride [cis-4-methoxytetrahydro-3-furanyl]amine hydrochloride](/img/bb/040/4077424.jpeg)



![rac-(1S,2R,4R)-bicyclo[2.2.1]hept-2-ylamine hydrochloride rac-(1S,2R,4R)-bicyclo[2.2.1]hept-2-ylamine hydrochloride](/img/bb/040/4077747.jpeg)








![rac-(1S,2S,4R)-6-oxo-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid rac-(1S,2S,4R)-6-oxo-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid](/img/bb/040/4078288.jpeg)
![(3R,8aS)-3-methylhexahydropyrrolo[1,2-a]pyrazin-4(1H)-one hydrochloride (3R,8aS)-3-methylhexahydropyrrolo[1,2-a]pyrazin-4(1H)-one hydrochloride](/img/bb/040/4078349.jpeg)


![4-[(2R)-2-pyrrolidinylmethyl]morpholine 4-[(2R)-2-pyrrolidinylmethyl]morpholine](/img/bb/040/4078411.jpeg)
![9-methyl-1-oxa-9-azaspiro[5.5]undecan-4-amine dihydrochloride 9-methyl-1-oxa-9-azaspiro[5.5]undecan-4-amine dihydrochloride](/img/bb/040/4078437.jpeg)
![pyrazolo[1,5-a]pyridine-4-carboxylic acid pyrazolo[1,5-a]pyridine-4-carboxylic acid](/img/bb/040/4078451.jpeg)
![rac-(1S,5S,8R)-3-(tert-butoxycarbonyl)-8-hydroxy-3-azabicyclo[3.2.1]octane-1-carboxylic acid rac-(1S,5S,8R)-3-(tert-butoxycarbonyl)-8-hydroxy-3-azabicyclo[3.2.1]octane-1-carboxylic acid](/img/bb/040/4078669.jpeg)



![6-oxa-2,9-diazaspiro[4.5]decan-8-one hydrochloride 6-oxa-2,9-diazaspiro[4.5]decan-8-one hydrochloride](/img/bb/040/4078712.jpeg)




![tert-butyl (3-endo)-3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylate hydrochloride tert-butyl (3-endo)-3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylate hydrochloride](/img/bb/040/4078932.jpeg)



![tert-butyl [2-(3-morpholinyl)ethyl]carbamate hydrochloride tert-butyl [2-(3-morpholinyl)ethyl]carbamate hydrochloride](/img/bb/040/4079014.jpeg)



![tert-butyl rac-(3aR,6aS)-4-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate tert-butyl rac-(3aR,6aS)-4-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate](/img/bb/040/4079226.jpeg)


