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 691–720 of 1090 results
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Heterocycles
Isothiazole-3-carbonitrile
$139.00 – $208.00 View productsCatalog#: I13224; CAS Number: 1452-17-1
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Amines & Derivatives
4-Boc-1-[(4-bromobenzene)sulfonyl]homopiperazine
$34.00 – $135.00 View productsCatalog#: B13220; CAS Number: 937012-68-5
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Heterocycles
2-Bromo-5-(tributylstannyl)thiazole
$295.00 – $1,581.00 View productsCatalog#: B13219; CAS Number: 1062589-73-4
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Amines & Derivatives
1-[(4-Bromobenzene)sulfonyl]-4-methylhomopiperazine
$74.00 – $294.00 View productsCatalog#: B13209; CAS Number: 486422-31-5
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Heterocycles
1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene copper(I) chloride
$44.00 – $120.00 View productsCatalog#: B13203; CAS Number: 578743-87-0
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Heterocycles
1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydroimidazolium tetrafluoroborate
$88.00 – $359.00 View productsCatalog#: B13199; CAS Number: 282109-83-5
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Heterocycles
1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium tetrafluoroborate
$34.00 – $132.00 View productsCatalog#: B13198; CAS Number: 245679-18-9
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Heterocycles
1-[(4-Bromobenzene)sulfonyl]pyrrolidine
$23.00 – $69.00 View productsCatalog#: B13190; CAS Number: 136350-52-2
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Amines & Derivatives
1-Boc-4-[(4-bromobenzene)sulfonyl]piperazine
$22.00 – $66.00 View productsCatalog#: B13188; CAS Number: 259808-63-4
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Heterocycles
1-[(4-Bromobenzene)sulfonyl]piperidine
$21.00 – $63.00 View productsCatalog#: B13187; CAS Number: 834-66-2
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Carboxylic Acids & Derivatives
Tetrahydro-2H-pyran-4-carboxamide
$12.00 – $39.00 View productsCatalog#: T13185; CAS Number: 344329-76-6
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Carboxylic Acids & Derivatives
Methyl 6-chloro-5-fluoropyridine-3-carboxylate
$198.00 – $827.00 View productsCatalog#: C13172; CAS Number: 78686-78-9
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Carboxylic Acids & Derivatives
2,4-Dimethoxypyrimidine-5-carboxylic acid
$105.00 – $368.00 View productsCatalog#: D13170; CAS Number: 110821-07-3
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Heterocycles
3-Bromo-6-chloro-1H-pyrrolo[3,2-c]pyridine
$132.00 – $198.00 View productsCatalog#: B13162; CAS Number: 1000341-61-6
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Heterocycles
3-Bromo-5-chloro-1H-pyrrolo[3,2-b]pyridine
$132.00 – $397.00 View productsCatalog#: B13161; CAS Number: 1190310-75-8
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Carboxylic Acids & Derivatives
Methyl 5-bromo-3-methylpicolinate
$28.00 – $88.00 View productsCatalog#: B13142; CAS Number: 213771-32-5
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Ethers & Hydroxyls
(Tetrahydro-2H-thiopyran-4-yl)methanol
$60.00 – $500.00 View productsCatalog#: T13122; CAS Number: 100277-27-8
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Heterocycles
Tetrahydro-2H-thiopyran-4-carbonitrile
$56.00 – $198.00 View productsCatalog#: T13120; CAS Number: 195503-40-3
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Ethers & Hydroxyls
1-(4′-Hydroxyphenyl)-1H-pyrrole-2,5-dione
$4.00 – $12.00 View productsCatalog#: H13117; CAS Number: 7300-91-6
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Carboxylic Acids & Derivatives
2,5-Dichloroisonicotinic acid
$8.00 – $87.00 View productsCatalog#: D13098; CAS Number: 88912-26-9
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Amines & Derivatives
2-Amino-5-fluoro-3-methylpyridine
$44.00 – $166.00 View productsCatalog#: F13097; CAS Number: 886365-56-6
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Heterocycles
3-Bromo-5-chloro-2-fluoropyridine
$4.00 – $11.00 View productsCatalog#: B13095; CAS Number: 884494-87-5
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Carboxylic Acids & Derivatives
2-Fluoro-4-iodonicotinic acid
$34.00 – $139.00 View productsCatalog#: F13094; CAS Number: 884494-51-3
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Heterocycles
3-Bromo-2-chloro-5-fluoropyridine
$7.00 – $22.00 View productsCatalog#: B13092; CAS Number: 884494-36-4
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Amines & Derivatives
3-Amino-6-methoxy-5-methylpyridine
$9.00 – $28.00 View productsCatalog#: A13082; CAS Number: 867012-70-2
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Heterocycles
2,5-Dichloro-4-iodopyridine
$22.00 – $66.00 View productsCatalog#: D13076; CAS Number: 796851-03-1
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Ethers & Hydroxyls
4-Chloro-2-methoxypyridine
View productsCatalog#: C13071; CAS Number: 72141-44-7





























