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








![[2-(1H-pyrazol-1-yl)ethyl]amine dihydrochloride [2-(1H-pyrazol-1-yl)ethyl]amine dihydrochloride](/img/bb/021/2102292.jpeg)



![5-[(methylamino)methyl]-2,4-dihydro-3H-1,2,4-triazol-3-one hydrochloride 5-[(methylamino)methyl]-2,4-dihydro-3H-1,2,4-triazol-3-one hydrochloride](/img/bb/021/2102304.jpeg)


![[1-(1H-1,2,4-triazol-5-yl)ethyl]amine dihydrochloride [1-(1H-1,2,4-triazol-5-yl)ethyl]amine dihydrochloride](/img/bb/021/2102313.jpeg)
![[2-(1H-1,2,4-triazol-1-yl)ethyl]amine dihydrochloride [2-(1H-1,2,4-triazol-1-yl)ethyl]amine dihydrochloride](/img/bb/021/2102316.jpeg)






![[4-(trifluoromethoxy)phenyl]hydrazine hydrochloride [4-(trifluoromethoxy)phenyl]hydrazine hydrochloride](/img/bb/021/2102335.jpeg)
![[(4-methyl-1,2,5-oxadiazol-3-yl)methyl]amine hydrochloride [(4-methyl-1,2,5-oxadiazol-3-yl)methyl]amine hydrochloride](/img/bb/021/2102337.jpeg)





























![2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide](/img/bb/030/3000477.jpeg)
![2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carbonitrile](/img/bb/030/3000478.jpeg)













![2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide 2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide](/img/bb/030/3000706.jpeg)
![methyl 2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate methyl 2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate](/img/bb/030/3000707.jpeg)
![ethyl 2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate ethyl 2-amino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate](/img/bb/030/3000708.jpeg)



























