Heterocycles & Building Blocks

Over 250 heterocycles and building blocks for Discovery, Research and Medicinal Chemistry. This group comprises azaindoles, azetidines, boronic acids, chiral compounds, furans, isoquinolines, pyridines, pyrroles, and quinolines.

Showing 1–100 of 268 results

(1S,2S,3R,5S)-(+)-2,3-Pinanediol
CAS Number: 18680-27-8
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(1S)-(-)-Camphanic Acid
CAS Number: 13429-83-9
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(4-(Octyloxy)phenyl)Boronic Acid
CAS Number: 121554-09-4
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(4-Chloro-3-Fluorophenyl)Boronic Acid
CAS Number: 137504-86-0
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(Formylmethyl) Triphenylphosphonium Chloride
CAS Number: 62942-43-2
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(Phenylsulfonyl) Acetonitrile
CAS Number: 7605-28-9
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1-Aza-15-Crown-5
CAS Number: 66943-05-3
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1-Aza-18-Crown-6
CAS Number: 33941-15-0
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1,2:5,6-Di-O-Isopropylidene-α-D-Gulofuranose
CAS Number: 14686-89-6
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1,4-Benzodioxan-6-Carboxaldehyde
CAS Number: 29668-44-8
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1,4-Cyclohexanedione Mono (2,2-Dimethyltrimethylene Ketal)
CAS Number: 69225-59-8
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1,4-Cyclohexanedione Monoethylene Acetal (1,4-Dioxaspiro(4.5)Decan-8-One)
CAS Number: 4746-97-8
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1,5-Dimethyl-2-Pyrrolecarbonitrile
CAS Number: 56341-36-7
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1H-Pyrrolo[3,2-c]Pyridine-2,3-Dion
CAS Number: 169037-38-1
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2-(Benzyloxy)Phenylboronic Acid
CAS Number: 190661-29-1
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2-(Chloromethyl) Pyridine Hydrochloride
CAS Number: 6959-47-3
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2-(Chloromethyl)Benzimidazole
CAS Number: 4857-04-9
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2-(Hydroxymethyl)Phenylboronic Acid
CAS Number: 87199-14-2
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2-(Methylthio)Phenylboronic Acid
CAS Number: 168618-42-6
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2-(Trifluoromethoxy)Phenylboronic Acid
CAS Number: 175676-65-0
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2-Amino-3-Hydroxypyridine
CAS Number: 16867-03-1
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2-Amino-5-Chloropyridine
CAS Number: 1072-98-6
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2-Amino-5-Fluoropyridine
CAS Number: 21717-96-4
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2-Aminopyridine-3-Carboxylic Acid
CAS Number: 3167-49-5
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2-Benzyloxy-4-Fluorobenzeneboronic Acid
CAS Number: 848779-87-3
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2-Benzyloxy-5-Fluorophenylboronic Acid
CAS Number: 779331-47-4
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2-Bromo-4-Fluorobenzoic Acid
CAS Number: 1006-41-3
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2-Bromopyrimidine
CAS Number: 4595-60-2
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2-Chloro-3-(Trifluoromethyl)Pyridine
CAS Number: 65753-47-1
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2-Chloro-4-(Trifluoromethyl)Pyridine
CAS Number: 81565-18-6
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2-Chloro-5-(Trifluoromethyl)Phenylboronic Acid
CAS Number: 182344-18-9
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2-Chloro-5-(Trifluoromethyl)Pyridine
CAS Number: 52334-81-3
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2-Chlorobenzimidazole
CAS Number: 4857-06-1
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2-Chlorolepidine, 99%
CAS Number: 634-47-9
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2-Chloronicotinic Acid
CAS Number: 2942-59-8
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2-Ethynylpyridine
CAS Number: 1945-84-2
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2-Fluoro-5-Formylphenylboronic Acid
CAS Number: 352534-79-3
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2-Hydroxy-3-Nitropyridine
CAS Number: 6332-56-5
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2-Hydroxy-5-Nitropyridine
CAS Number: 5418-51-9
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2-Hydroxycinnamic Acid
CAS Number: 614-60-8
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2-Hydroxypyridine (2-Pyridinol)
CAS Number: 142-08-5
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2-Hydroxypyridine N-Oxide (HOPO)
CAS Number: 13161-30-3
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2-Methoxy-5-Trifluoromethylphenyl Isocyanate
CAS Number: 16588-75-3
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2-Methyl-4-Hydroxymethylpyridine
CAS Number: 105250-16-6
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2-Methylquinoline-6-Boronic Acid
CAS Number: 1092790-20-9
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2-Methylquinoline-6-Carboxylic Acid
CAS Number: 635-80-3
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2-Nitroimidazole
CAS Number: 527-73-1
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2-Picolyl Chloride Hydrochloride
CAS Number: 6959-47-3
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2-Quinolinecarboxaldehyde
CAS Number: 5470-96-2
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2-Thienylboronic Acid
CAS Number: 6165-68-0
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2,3-Diaminopyridine
CAS Number: 452-58-4
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2,3-Difluorophenylboronic Acid
CAS Number: 121219-16-7
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2,4-Dimethoxybenzenesulfonyl Chloride
CAS Number: 63624-28-2
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2,4-Dimethylpyrrole
CAS Number: 625-82-1
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2,5-Diaminopyridine
CAS Number: 4318-76-7
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2,5-Diaminopyridine Dihydrochloride
CAS Number: 26878-35-3
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2,5-Dibromopyridine
CAS Number: 624-28-2
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2,5-Dimethoxyphenylboronic Acid
CAS Number: 107099-99-0
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2,6-Dibromopyridine
CAS Number: 626-05-1
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2,6-Dichloropyridine
CAS Number: 2402-78-0
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2,6-Difluorophenylboronic Acid
CAS Number: 162101-25-9
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2,6-Dimethoxyphenylboronic Acid
CAS Number: 23112-96-1
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2,6-Diphenylpyridine, 97%
CAS Number: 3558-69-8
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2,6-Pyridinedicarboxylic Acid
CAS Number: 449-83-2
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2,6-Pyridinedicarboxylic Acid (Dipicolinic Acid)
CAS Number: 499-83-2
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2,6-Pyridinedimethanol
CAS Number: 1195-59-1
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2H-1,4-Benzoxazin-3(4H)-one
CAS Number: 5466-88-6
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3-(4-Piperidinyl)-1,2-Benzisoxazole Hydrochloride
CAS Number: 84163-22-4
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3-(Chloromethyl)Pyridine Hydrochloride
CAS Number: 6959-48-4
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3-(Methylsulfonylamino)Phenylboronic Acid
CAS Number: 148355-75-3
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3-(Trifluoromethoxy)Phenylboronic Acid
CAS Number: 179113-90-7
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3-(Trifluoromethyl)Phenylboronic Acid
CAS Number: 1423-26-3
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3-Acetamidophenylboronic Acid
CAS Number: 78887-39-5
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3-Acetoxyindole
CAS Number: 608-08-2
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3-Aminophenylboronic Acid
CAS Number: 30418-59-8
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3-Aminophenylboronic acid
CAS Number: 280563-63-5
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3-Aminophenylboronic Acid Hemisulfate Salt
CAS Number: 66472-86-4
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3-Aminophenylboronic Acid Monohydrate
CAS Number: 206658-89-1
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3-Aminopyridine
CAS Number: 462-08-8
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3-Benzyloxyphenylboronic Acid, Pinacol Ester
CAS Number: 765908-38-1
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3-Bromo-3-Methyl-2-(2-Nitrophenylthio)-3H-Indole
CAS Number: 27933-36-4
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3-Bromophenylacetic Acid
CAS Number: 1878-67-7
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3-Bromopyridine
CAS Number: 626-55-1
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3-Carboxyphenylboronic Acid
CAS Number: 25487-66-5
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3-Chloro-4-Methylphenylboronic Acid
CAS Number: 175883-63-3
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3-Chloroperbenzoic Acid
CAS Number: 937-14-4
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3-Ethyl-5-(2-Hydroxyethyl)-4-Methylthiazolium Bromide
CAS Number: 54016-70-5
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3-Fluoro-4-(Trifluoromethyl) Benzoic Acid
CAS Number: 115754-21-7
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3-Fluoro-4-Methylphenylboronic Acid
CAS Number: 168267-99-0
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3-Formylphenylboronic Acid
CAS Number: 87199-16-4
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3-Hydroxy-2-Nitropyridine
CAS Number: 15128-82-2
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3-Hydroxyphenylboronic Acid
CAS Number: 87199-18-6
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3-Hydroxypyridine (3-Pyridinol)
CAS Number: 109-00-2
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3-Hydroxypyridine N-Oxide
CAS Number: 6602-28-4
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3-Indoxyl Acetate
CAS Number: 608-08-2
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3-Iodopyridine
CAS Number: 1120-87-2
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3-Methoxyphenylboronic Acid
CAS Number: 10365-98-7
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3-Picolyl Chloride Hydrochloride
CAS Number: 6959-48-4
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3-Pyridinylboronic Acid
CAS Number: 1692-25-7
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3-Quinolinecarboxaldehyde
CAS Number: 13669-42-6
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