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 811–840 of 1306 results
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Heterocycles
2-(4,5-Dihydro-2-oxazolyl)quinoline
Catalog#: D13241; CAS Number: 202191-12-6
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Aldehydes & Ketones
2-Bromo-5-chloro-3-fluoro-1-methylpyridin-4(1H)-one
Catalog#: B13237; CAS Number: 1312440-88-2
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Aldehydes & Ketones
3-Chloro-1-methylpyridin-4(1H)-one
Catalog#: C13230; CAS Number: 857201-58-2
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Ethers & Hydroxyls
3-Chloro-4-hydroxypyridine
Catalog#: C13229; CAS Number: 89284-20-8
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Aldehydes & Ketones
2-Bromo-3-fluoro-1-methylpyridin-4(1H)-one
Catalog#: B13228; CAS Number: 1312440-89-3
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Carboxylic Acids & Derivatives
Isothiazole-3-carboxylic acid
Catalog#: I13225; CAS Number: 4576-90-3
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Heterocycles
Isothiazole-3-carbonitrile
Catalog#: I13224; CAS Number: 1452-17-1
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Amines & Derivatives
4-Boc-1-[(4-bromobenzene)sulfonyl]homopiperazine
Catalog#: B13220; CAS Number: 937012-68-5
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Heterocycles
2-Bromo-5-(tributylstannyl)thiazole
Catalog#: B13219; CAS Number: 1062589-73-4
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Amines & Derivatives
1-[(4-Bromobenzene)sulfonyl]-4-methylhomopiperazine
Catalog#: B13209; CAS Number: 486422-31-5
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Heterocycles
1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene copper(I) chloride
Catalog#: B13203; CAS Number: 578743-87-0
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Heterocycles
1,3-Bis(2,4,6-trimethyphenyl)4,5-dihydroimidazol-2-ylidene
Catalog#: B13202; CAS Number: 173035-11-5
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Heterocycles
1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydroimidazolium tetrafluoroborate
Catalog#: B13199; CAS Number: 282109-83-5
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Heterocycles
1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium tetrafluoroborate
Catalog#: B13198; CAS Number: 245679-18-9
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Heterocycles
1-[(4-Bromobenzene)sulfonyl]pyrrolidine
Catalog#: B13190; CAS Number: 136350-52-2
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Amines & Derivatives
1-Boc-4-[(4-bromobenzene)sulfonyl]piperazine
Catalog#: B13188; CAS Number: 259808-63-4
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Heterocycles
1-[(4-Bromobenzene)sulfonyl]piperidine
Catalog#: B13187; CAS Number: 834-66-2
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Carboxylic Acids & Derivatives
Tetrahydro-2H-pyran-4-carboxamide
Catalog#: T13185; CAS Number: 344329-76-6
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Carboxylic Acids & Derivatives
Methyl 6-chloro-5-fluoropyridine-3-carboxylate
Catalog#: C13172; CAS Number: 78686-78-9
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Carboxylic Acids & Derivatives
2,4-Dimethoxypyrimidine-5-carboxylic acid
Catalog#: D13170; CAS Number: 110821-07-3
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Heterocycles
3-Bromo-6-chloro-1H-pyrrolo[3,2-c]pyridine
Catalog#: B13162; CAS Number: 1000341-61-6
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Heterocycles
3-Bromo-5-chloro-1H-pyrrolo[3,2-b]pyridine
Catalog#: B13161; CAS Number: 1190310-75-8
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Carboxylic Acids & Derivatives
Methyl 5-bromo-3-methylpicolinate
Catalog#: B13142; CAS Number: 213771-32-5
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Ethers & Hydroxyls
(Tetrahydro-2H-thiopyran-4-yl)methanol
Catalog#: T13122; CAS Number: 100277-27-8