Triazoles
Triazoles exhibit biological activity, notably as antifungals, antimicrobials, and enzymatic inhibitors. The azide-alkyne Huisgen cycloaddition is a mild and selective reaction that gives 1,2,3-triazoles as products. The reaction has been widely used in bioorthogonal chemistry and in organic synthesis. Triazole rings are relatively stable functional groups, and triazole linkages can be used in a variety of applications, such as replacement of the phosphate backbone of DNA.

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Hydroazidation Catalyst
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N-Acylbenzotriazoles

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CBR01726 5-Bromo-3-chloro-1H-1,2,4-triazole AldrichCPR C2HBrClN3
    • CDS002983 3,5-Dibromo-1H-1,2,4-triazole AldrichCPR C2HBr2N3
    • 197645 1,2,4-Triazole sodium derivative technical grade C2H2N3Na
    • T46108 1,2,4-Triazole 98% C2H3N3
    • 333662 1H-1,2,3-Triazole 97% C2H3N3
    • 104558 1H-1,2,4-Triazole-3-thiol 97% C2H3N3S
    • A81803 4-Amino-4H-1,2,4-triazole ReagentPlus®, 99% C2H4N4
    • CDS019982 4H-1,2,4-Triazol-3-amine AldrichCPR C2H4N4
    • 140260 3-Amino-1,2,4-triazole-5-thiol 95% C2H4N4S
    • D26202 3,5-Diamino-1,2,4-triazole 98% C2H5N5
    • CDS009687 1H-[1,2,3]Triazole-4-carbaldehyde AldrichCPR C3H3N3O
    • 658472 1,2,4-Triazole-3-carboxylic acid 97% C3H3N3O2
    • CDS008829 1H-1,2,3-Triazole-4-carboxylic acid AldrichCPR C3H3N3O2
    • CDS001736 1H-1,2,3-Triazole-5-carboxylic acid AldrichCPR C3H3N3O2
    • CBR01814 3-Bromo-1-methyl-1H-1,2,4-triazole AldrichCPR C3H4BrN3
    • CBR01745 5-Bromo-1-methyl-1H-1,2,4-triazole AldrichCPR C3H4BrN3
    • CBR01778 3-Bromo-5-methoxy-1H-1,2,4-triazole AldrichCPR C3H4BrN3O
    • CDS002525 3-Chloro-5-methanesulfonyl-1H-[1,2,4]triazole AldrichCPR C3H4ClN3O2S
    • 282073 3-Amino-1,2,4-triazole-5-carboxylic acid hydrate 98% C3H4N4O2 · xH2O
    • CDS020176 3-Methyl-1H-1,2,4-triazole AldrichCPR C3H5N3
    • CDS018893 1H-1,2,3-triazol-5-ylmethanol AldrichCPR C3H5N3O
    • 258938 4-Methyl-4H-1,2,4-triazole-3-thiol 97% C3H5N3S
    • CBR01692 3-Chloro-1-methyl-1H-1,2,4-triazol-5-amine hydrochloride AldrichCPR C3H6Cl2N4
    • CDS020216 3-Methyl-1H-1,2,4-triazol-5-amine AldrichCPR C3H6N4
    • 190683 3-Amino-5-methylthio-1H-1,2,4-triazole 98% C3H6N4S
    • CBR00751 1-Methyl-1H-1,2,4-triazol-3-amine hydrochloride AldrichCPR C3H7ClN4
    • CBR01567 5-(Aminomethyl)-1H-1,2,4-triazol-3-amine dihydrochloride AldrichCPR C3H9Cl2N5
    • CBR01809 3-Bromo-1-methyl-1H-1,2,4-triazole-5-carbonitrile AldrichCPR C4H3BrN4
    • CBR01587 3-Bromo-N-methyl-1H-1,2,4-triazole-5-carboxamide AldrichCPR C4H5BrN4O
    • 95077 1-Vinyl-1,2,4-triazole ≥97.0% C4H5N3
    • 530352 Methyl-1H-1,2,4-triazole-3-carboxylate 98% C4H5N3O2
    • CBR01775 5-Bromo-1-ethyl-1H-1,2,4-triazole AldrichCPR C4H6BrN3
    • CBR01617 3-Bromo-5-methoxy-1-methyl-1H-1,2,4-triazole AldrichCPR C4H6BrN3O
    • CBR01576 5-Bromo-3-(methoxymethyl)-1H-1,2,4-triazole AldrichCPR C4H6BrN3O
    • CBR01765 3-Chloro-5-methoxy-1-methyl-1H-1,2,4-triazole AldrichCPR C4H6ClN3O
    • 573787 5-Amino-1H-[1,2,4]-triazole-3-carboxylic acid methyl ester 96% C4H6N4O2
    • CDS008475 1H-1,2,3 triazole-1-ethanol AldrichCPR C4H7N3O
    • CDS009764 (1e)-N′-hydroxy-2-(1H-1,2,4-triazol-1-yl)ethanimidamide AldrichCPR C4H7N5O
    • CBR00022 3-Ethyl-1H-1,2,4-triazol-5-amine AldrichCPR C4H8N4
    • CBR00253 1-(Methoxymethyl)-1H-1,2,4-triazol-3-amine AldrichCPR C4H8N4O
    • CDS017319 1-methyl-5-(methylsulfanyl)-1H-1,2,4-triazol-3-ylamine AldrichCPR C4H8N4S
    • CBR00782 1-Ethyl-1H-1,2,4-triazol-5-amine hydrochloride AldrichCPR C4H9ClN4
    • CBR01009 2-(1H-1,2,3-Triazol-5-ylthio)ethanamine hydrochloride AldrichCPR C4H9ClN4S
    • CBR00641 2-(1H-1,2,4-Triazol-5-ylthio)ethanamine dihydrochloride AldrichCPR C4H10Cl2N4S
    • 361011 1H-1,2,3-Triazolo[4,5-b]pyridine 98% C5H4N4
    • CBR01744 5-Bromo-3-cyclopropyl-1H-1,2,4-triazole AldrichCPR C5H6BrN3
    • CBR01590 Methyl (3-chloro-1H-1,2,4-triazol-1-yl)acetate AldrichCPR C5H6ClN3O2
    • CBR00310 1-Ethyl-1H-1,2,4-triazole-5-carbaldehyde AldrichCPR C5H7N3O
    • CBR01651 5-Bromo-1-isopropyl-1H-1,2,4-triazole AldrichCPR C5H8BrN3
    • CBR01816 5-Bromo-1-propyl-1H-1,2,4-triazole AldrichCPR C5H8BrN3
    • CBR01476 3-Chloro-1-ethyl-5-methoxy-1H-1,2,4-triazole AldrichCPR C5H8ClN3O
    • CDS020069 5-Cyclopropyl-1,2,4-triazol-3-ylamine AldrichCPR C5H8N4
    • CBR00723 6-Hydrazino[1,2,4]triazolo[4,3-b]pyridazine hydrate AldrichCPR C5H8N6O
    • CDS019461 5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride AldrichCPR C5H9ClN4
    • CBR01094 3-(1H-1,2,4-Triazol-1-yl)propan-1-ol AldrichCPR C5H9N3O
    • CBR01606 1-(1-Methyl-1H-1,2,4-triazol-5-yl)ethanamine AldrichCPR C5H10N4
    • CBR00376 1-Propyl-1H-1,2,4-triazol-3-amine AldrichCPR C5H10N4
    • CDS020224 3-Propyl-1H-1,2,4-triazol-5-amine AldrichCPR C5H10N4
    • CBR01697 2-Isopropyl-2H-1,2,3-triazol-4-amine hydrochloride AldrichCPR C5H11ClN4
    • CBR00974 (1S)-1-(5-Methyl-4H-1,2,4-triazol-3-yl)ethanamine dihydrochloride AldrichCPR C5H12Cl2N4
    • CBR01570 2-(1-Methyl-1H-1,2,4-triazol-5-yl)ethanamine dihydrochloride AldrichCPR C5H12Cl2N4
    • CBR01711 3-(1H-1,2,3-Triazol-1-yl)-1-propanamine dihydrochloride AldrichCPR C5H12Cl2N4
    • CBR00626 3-(1H-1,2,4-Triazol-1-yl)propan-1-amine dihydrochloride AldrichCPR C5H12Cl2N4
    • CBR00987 2-[(3-Methyl-1H-1,2,4-triazol-5-yl)thio]ethanamine dihydrochloride hydrate AldrichCPR C5H14Cl2N4OS
    • CDS007659 5-Bromo-1H-benzotriazole AldrichCPR C6H4BrN3
    • 736821 1,2,4-Triazolo[4,3-a]pyridin-3(2H)-one 97% C6H5N3O
    • 573752 5-(2-Furyl)-2,4-dihydro-[1,2,4]-triazole-3-thione 97% C6H5N3OS
    • CBR01471 3-Cyclobutyl-1H-1,2,4-triazole AldrichCPR C6H9N3
    • CBR01363 1-(1-Methyl-1H-1,2,4-triazol-5-yl)-1-propanone AldrichCPR C6H9N3O
    • CDS017140 3-[1,2,4]triazol-1-yl-butyric acid AldrichCPR C6H9N3O2
    • CBR01413 5,6,7,8-Tetrahydro[1,2,4]triazolo[4,3-a]pyridine hydrochloride AldrichCPR C6H10ClN3
    • CBR00744 4-(1H-1,2,4-Triazol-1-yl)butanoic acid hydrochloride AldrichCPR C6H10ClN3O2
    • CBR00162 2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)ethanol AldrichCPR C6H11N3O
    • CBR00506 1-(1-Ethyl-1H-1,2,4-triazol-5-yl)ethanamine AldrichCPR C6H12N4
    • CBR00405 1-Isopropyl-5-methyl-1H-1,2,4-triazol-3-amine AldrichCPR C6H12N4
    • CBR00648 1-(4-Ethyl-4H-1,2,4-triazol-3-yl)-N-methylmethanamine dihydrochloride AldrichCPR C6H14Cl2N4
    • CBR00643 1-(4-Propyl-4H-1,2,4-triazol-3-yl)methanamine dihydrochloride AldrichCPR C6H14Cl2N4
    • CBR00644 1-[4-(2-Methoxyethyl)-4H-1,2,4-triazol-3-yl]methanamine dihydrochloride AldrichCPR C6H14Cl2N4O
    • CBR01131 2-(4-Ethyl-4H-1,2,4-triazol-3-yl)ethanamine dihydrochloride hydrate AldrichCPR C6H16Cl2N4O
    • CDS006549 5-(Trifluoromethyl)-1H-1,2,3-benzotriazole AldrichCPR C7H4F3N3
    • CDS020238 [1,2,4]Triazolo[4,3-a]pyridine-6-carboxylic acid AldrichCPR C7H5N3O2
    • CBR00450 ([1,2,4]Triazolo[4,3-b]pyridazin-6-yloxy)acetic acid AldrichCPR C7H6N4O3
    • 680796 5-(3-Pyridyl)-4H-1,2,4-triazole-3-thiol 97% C7H6N4S
    • 438901 5-(4-Pyridyl)-1H-1,2,4-triazole-3-thiol 98% C7H6N4S
    • 438545 4-Amino-5-(4-pyridyl)-4H-1,2,4-triazole-3-thiol 97% C7H7N5S
    • CBR01088 Potassium 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate AldrichCPR C7H8KN3O2
    • CDS020427 (3-Methyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl)acetic acid AldrichCPR C7H8N4O2S
    • CDS002510 (4-Isopropyl-1H-1,2,3-triazol-1-yl)acetic acid AldrichCPR C7H11N3O2
    • CBR01482 2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)-1-propanol AldrichCPR C7H13N3O
    • CBR01620 1-(1-Ethyl-1H-1,2,4-triazol-5-yl)-1-propanamine AldrichCPR C7H14N4
    • CBR01485 3-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)-1-propanamine AldrichCPR C7H14N4
    • CDS019302 5-Neopentyl-4H-1,2,4-triazol-3-amine AldrichCPR C7H14N4
    • CBR01533 2-Methyl-1-(1-methyl-1H-1,2,4-triazol-5-yl)-1-propanamine hydrochloride AldrichCPR C7H15ClN4
    • CBR01029 2-[4-(2-Methoxyethyl)-4H-1,2,4-triazol-3-yl]ethanamine hydrochloride AldrichCPR C7H15ClN4O
    • CBR01215 1-(4-Isopropyl-4H-1,2,4-triazol-3-yl)-N-methylmethanamine dihydrochloride AldrichCPR C7H16Cl2N4
    • CBR00651 1-(4-Isopropyl-4H-1,2,4-triazol-3-yl)ethanamine dihydrochloride AldrichCPR C7H16Cl2N4
    • CBR00650 1-(4-Propyl-4H-1,2,4-triazol-3-yl)ethanamine dihydrochloride AldrichCPR C7H16Cl2N4
    • CBR00649 N-Methyl-1-(4-propyl-4H-1,2,4-triazol-3-yl)methanamine dihydrochloride AldrichCPR C7H16Cl2N4
    • CBR00652 1-[4-(2-Methoxyethyl)-4H-1,2,4-triazol-3-yl]-N-methylmethanamine dihydrochloride AldrichCPR C7H16Cl2N4O
    • CBR00653 1-[4-(2-Methoxyethyl)-4H-1,2,4-triazol-3-yl]ethanamine dihydrochloride AldrichCPR C7H16Cl2N4O
    • CBR01217 1-[4-(3-Methoxypropyl)-4H-1,2,4-triazol-3-yl]methanamine dihydrochloride AldrichCPR C7H16Cl2N4O
    • 280992 4-Phenyl-1,2,4-triazoline-3,5-dione 97% C8H5N3O2
    • 712566 4-Bromo-5-phenyl-1H-1,2,3-triazole ≥97.0% C8H6BrN3
    • CDS012878 3-chloromethyl-3H-benzo[d][1,2,3]triazin-4-one AldrichCPR C8H6ClN3O
    • CDS018777 1-(4-fluorophenyl)-1H-1,2,4-triazol-3-ol AldrichCPR C8H6FN3O
    • N9138 1-(4-Nitrobenzenesulfonyl)-1H-1,2,4-triazole C8H6N4O4S
    • CDS013079 5-(3-bromophenyl)-4H-1,2,4-triazol-3-amine AldrichCPR C8H7BrN4
    • CBR00446 5-Chloro-2-(1H-1,2,4-triazol-1-yl)aniline AldrichCPR C8H7ClN4
    • CDS020603 4-Phenyl-1H-1,2,3-triazole AldrichCPR C8H7N3
    • CBR00140 3-(4H-1,2,4-Triazol-4-yl)phenol AldrichCPR C8H7N3O
    • CDS014248 4′-(1H-1,2,4-triazol-1-yl)phenol AldrichCPR C8H7N3O
    • 188956 4-Phenylurazole 98% C8H7N3O2
    • CBR00548 5-[(4-Methyl-4H-1,2,4-triazol-3-yl)thio]-2-furaldehyde AldrichCPR C8H7N3O2S
    • 438502 5-Phenyl-1H-1,2,4-triazole-3-thiol 95% C8H7N3S
    • CBR00123 3-(4H-1,2,4-Triazol-4-yl)aniline AldrichCPR C8H8N4
    • CDS013675 4-(1H-1,2,4-Triazol-1-yl)aniline AldrichCPR C8H8N4
    • 675008 4-Amino-5-phenyl-4H-1,2,4-triazole-3-thiol 97% C8H8N4S
    • CDS020584 3-(2-Aminophenyl)-1H-1,2,4-triazol-5-amine AldrichCPR C8H9N5
    • CBR01078 1-[2-(1H-1,2,4-Triazol-1-yl)ethyl]piperazine trihydrochloride hydrate AldrichCPR C8H20Cl3N5O
    • CDS017777 1-(4-chlorophenyl)-1H-1,2,3-triazole-4-carbaldehyde AldrichCPR C9H6ClN3O
    • CDS015305 1-phenyl-1H-1,2,3-triazole-4-carbaldehyde AldrichCPR C9H7N3O
    • CDS009062 1-Phenyl-1H-[1,2,4]triazole-3-carboxylic acid AldrichCPR C9H7N3O2
    • CDS001890 4-(1H-1,2,4-Triazol-5-yl)benzoic acid AldrichCPR C9H7N3O2
    • 244171 1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole 98% C9H8N4O4S
    • CBR00994 4-(1H-1,2,4-Triazol-5-yl)benzoic acid hydrate AldrichCPR C9H9N3O3
    • CBR00156 2-Methyl-5-(4H-1,2,4-triazol-4-yl)aniline AldrichCPR C9H10N4
    • CDS006873 4-(1H-1,2,4-Triazol-1-ylmethyl)aniline AldrichCPR C9H10N4
    • 654442 4-(1H-1,2,4-Triazol-1-ylmethyl)aniline hydrochloride 97% C9H10N4 · HCl
    • CDS018995 5-(4-Methoxy-phenyl)-2H-[1,2,4]triazol-3-ylamine AldrichCPR C9H10N4O
    • CDS016938 1-[1-(5-methylisoxazol-3-yl)-1H-1,2,4-triazol-3-yl]acetone AldrichCPR C9H10N4O2
    • CDS019307 5-(2-Methylphenyl)-4H-1,2,4-triazol-3-ylamine hydrochloride AldrichCPR C9H11ClN4
    • CBR01716 1-(5-Phenyl-4H-1,2,4-triazol-3-yl)methanamine dihydrochloride AldrichCPR C9H12Cl2N4
    • CBR01274 2-(3-Pyridin-3-yl-1H-1,2,4-triazol-5-yl)ethanamine dihydrochloride hydrate AldrichCPR C9H15Cl2N5O
    • CBR01522 5-Chloro-1H-1,2,4-triazole-3-carboxylic acid AldrichCPR C9H17ClN4O2
    • CBR01216 1-(4-Cyclohexyl-4H-1,2,4-triazol-3-yl)methanamine dihydrochloride AldrichCPR C9H18Cl2N4
    • 636886 2,4-Difluoro-α-(1H-1,2,4-triazolyl)acetophenone 95% C10H7F2N3O
    • CDS017325 5-Methyl-2-phenyl-2H-1,2,3-triazole-4-carbonyl chloride AldrichCPR C10H8ClN3O
    • CDS011920 N-(2-(Trifluoromethyl)benzyl)-1H-1,2,4-triazol-3-amine AldrichCPR C10H9F3N4
    • CDS000903 4-Methyl-2-phenyl-1,2,3-triazole-5-carboxylic acid AldrichCPR C10H9N3O2
    • CDS020383 1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]ethanamine AldrichCPR C10H12N4
    • CBR00793 1-[4-(1H-1,2,4-Triazol-1-yl)phenyl]ethanamine hydrochloride AldrichCPR C10H13ClN4
    • CDS019306 5-[3-(Dimethylamino)phenyl]-4H-1,2,4-triazol-3-amine AldrichCPR C10H13N5
    • CBR00697 4-[(5-Methyl-4H-1,2,4-triazol-3-yl)methyl]aniline dihydrochloride AldrichCPR C10H14Cl2N4
    • CDS010799 ([5-(2-Fluorophenyl)-4-methyl-4H-1,2,4-triazol-3-yl]thio)acetic acid AldrichCPR C11H10FN3O2S
    • CDS015472 1-benzyl-5-methyl-1H-[1,2,3]triazole-4-carboxylic acid AldrichCPR C11H11N3O2
    • CDS017562 1-(4-methoxy-phenyl)-5-methyl-1H-[1,2,3]triazole-4-carboxylic acid AldrichCPR C11H11N3O3
    • CDS016890 1-benzyl-5-methyl-1H-1,2,3-triazole-4-carboxamide AldrichCPR C11H12N4O
    • M1768 1-(2-Mesitylenesulfonyl)-3-nitro-1H-1,2,4-triazole vial of 1.78 g (6 mmol) C11H12N4O4S
    • CDS017367 1-[1-(4-fluoro-phenyl)-propyl]-1H-[1,2,3]triazole-4-carboxylic acid AldrichCPR C12H12FN3O2
    • CDS009216 2,4-Dimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)benzaldehyde AldrichCPR C12H13N3O
    • CDS011848 N-(4-Isopropylbenzyl)-1H-1,2,4-triazol-3-amine AldrichCPR C12H16N4
    • CDS016394 7-(4-Fluorostyryl)[1,2,4]triazolo[1,5-a]pyrimidin-2-amine AldrichCPR C13H10FN5
    • CDS011923 N-(1,1′-biphenyl-4-ylmethyl)-1H-1,2,4-triazol-3-amine AldrichCPR C15H14N4
    • CDS019901 N-(sec-Butyl)-2-{[4-methyl-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide AldrichCPR C16H22N4OS
    • ADE001401 3-(3-(2H-Benzo[d][1,2,3]triazol-2-yl)-5-(tert-butyl)-4-hydroxyphenyl)propanoic acid AldrichCPR C19H21N3O3
    • CDS020566 N-(4-Acetylphenyl)-2-{[5-(4-aminophenyl)-4-ethyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide AldrichCPR C20H21N5O2S
    • ADE001391 2-(3-(tert-butyl)-4-hydroxy-5-(5-methoxy-2H-benzo[d][1,2,3]triazol-2-yl)phenoxy)ethyl methacrylate AldrichCPR C23H27N3O5
    • 703761 3,5-Diphenyl-4-(1-naphthyl)-1H-1,2,4-triazole 97% (HPLC) C24H17N3
    • ADE001392 3-(3-(tert-butyl)-4-hydroxy-5-(5-methoxy-2H-benzo[d][1,2,3]triazol-2-yl)phenoxy)propyl methacrylate AldrichCPR C24H29N3O5
    • 685682 3,5-Bis(4-tert-butylphenyl)-4-phenyl-4H-1,2,4-triazole 97% C28H31N3
    • 685720 3-(Biphenyl-4-yl)-5-(4-tert-butylphenyl)-4-phenyl-4H-1,2,4-triazole 97% C30H27N3