Building Blocks
Frontier Specialty Chemicals provides a wide range of ready-to-ship synthetic chemical building blocks for your research and development needs.
We have decades of expertise in the synthesis of specialty chemical building blocks from polysubstituted aromatics to functionalized pyrrole derivatives, along with structurally diverse aliphatic molecules and so much more.
Can’t find what you want? Contact us with your custom synthesis needs!
Showing 1090–1122 of 1308 results
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Heterocycles
2-Bromo-5-chloropyrazine
Catalog#: B11626; CAS Number: 912773-21-8
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Heterocycles
2-Amino-6-cyanopyrazine
Catalog#: A11625; CAS Number: 59489-39-3
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Heterocycles
5-Chloro-2-cyanopyrazine
Catalog#: C11624; CAS Number: 36070-75-4
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Heterocycles
2-Bromo-5-fluoropyrimidine
Catalog#: B11618; CAS Number: 947533-45-1
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Amines & Derivatives
2-Chloro-5-nitro-pyrimidin-4-ylamine
Catalog#: C11615; CAS Number: 1920-66-7
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Heterocycles
4,6-Dichloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidine
Catalog#: D11611; CAS Number: 98141-42-5
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Heterocycles
2,4-Dichloro-5-amino-6-methylpyrimidine
Catalog#: D11604; CAS Number: 13162-27-1
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Aldehydes & Ketones
2-Methylsulfanyl-4-phenylaminopyrimidine-5-carboxaldehyde
Catalog#: M11600; CAS Number: 211245-56-6
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Ethers & Hydroxyls
4-Chloro-2-methoxypyrimidine
Catalog#: C11587; CAS Number: 51421-99-9
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Heterocycles
6-Bromo-3-methyl-1H-indazole
Catalog#: B11583; CAS Number: 7746-27-2
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Heterocycles
4-Bromo-3-methyl-1H-indazole
Catalog#: B11582; CAS Number: 1159511-73-5
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Heterocycles
4-Bromo-2-methoxypyrimidine
Catalog#: B11581; CAS Number: 959240-72-3
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Heterocycles
5-Bromo-6-methyl-1H-indazole
Catalog#: B11580; CAS Number: 885223-72-3
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Heterocycles
4-Bromo-5-methyl-1H-indazole
Catalog#: B11578; CAS Number: 926922-40-9
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Heterocycles
1-(tert-Butoxycarbonyl)-6-bromoindazole
Catalog#: B11577; CAS Number: 877264-77-2
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Aldehydes & Ketones
5-Fluoro-2-methoxynicotinaldehyde
Catalog#: F11569; CAS Number: 351410-62-3
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Heterocycles
6-Bromoimidazo[1,2-a]pyrimidine
Catalog#: B11567; CAS Number: 865156-68-9
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Amines & Derivatives
[3-(Trifluoromethyl)pyridin-2-yl]methanamine hydrochloride
Catalog#: T11547; CAS Number: 886371-24-0
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Heterocycles
2-Amino-5-formylthiazole
Catalog#: A11544; CAS Number: 1003-61-8
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Amines & Derivatives
Thieno[2,3-b]pyridin-3-amine
Catalog#: T11486; CAS Number: 26579-54-4
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Carboxylic Acids & Derivatives
1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid
Catalog#: T11436; CAS Number: 119083-00-0
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Heterocycles
4-Chloro-2-(methylthio)-6-(trifluoromethyl)pyrimidine
Catalog#: C11424; CAS Number: 16097-63-5
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Carboxylic Acids & Derivatives
Methyl (2-chloromethyl)oxazole-4-carboxylate
Catalog#: M11416; CAS Number: 208465-72-9
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Carboxylic Acids & Derivatives
2,5-Dichloropyrazine
Catalog#: D11395; CAS Number: 19745-07-4
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Heterocycles
2-Bromothieno[2,3-c]pyridine
Catalog#: B11392; CAS Number: 756477-36-8
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Heterocycles
7-(Aminomethyl)-1H-indazole
Catalog#: A11391; CAS Number: 944904-20-5
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Heterocycles
6-(Aminomethyl)-1H-indazole hydrochloride
Catalog#: A11390; CAS Number: 943845-79-2
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Heterocycles
5-(Aminomethyl)-1H-indazole
Catalog#: A11389; CAS Number: 267413-25-2
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Heterocycles
4-(Aminomethyl)-1H-indazole
Catalog#: A11388; CAS Number: 944898-72-0
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Carboxylic Acids & Derivatives
2,6-Dimethyl-4-pyridine-carboxylic acid
Catalog#: D11385; CAS Number: 54221-93-1