C3 to C5

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723924 3-Bromopyrazole 97% C3H3BrN2
374822 4-Bromopyrazole 99% C3H3BrN2
CDS019988 4-Chloro-1H-pyrazole AldrichCPR C3H3ClN2
CBR01513 1H-Pyrazole-4-sulfonyl chloride AldrichCPR C3H3ClN2O2S
213993 4-Iodopyrazole 99% C3H3IN2
390747 1-Nitropyrazole 98% C3H3N3O2
CDS002826 3-Nitro-1H-pyrazole AldrichCPR C3H3N3O2
696161 4-Nitro-1H-pyrazole 97% C3H3N3O2
777714   3-Amino-4-bromo-1H-pyrazole 95% C3H4BrN3
CDS014120 4-Chloro-1H-pyrazol-3-ylamine AldrichCPR C3H4ClN3
731447 3-Amino-4-iodo-1H-pyrazole 95% C3H4IN3
82620 Pyrazole purum, ≥98.0% (GC) C3H4N2
P56607 Pyrazole 98% C3H4N2
160644 3-Aminopyrazole 98% C3H5N3
700940 4-Aminopyrazole 95% C3H5N3
331449 3-Amino-5-hydroxypyrazole 98% C3H5N3O
CDS003675 3-aminopyrazole, hydrochloride AldrichCPR C3H6ClN3
753130 Barium bis(trifluoromethanesulfonimide) C4BaF12N2O8S4
CDS003579 4-bromo-3-trifluoromethyl-1H-pyrazole AldrichCPR C4H2BrF3N2
715654 4-Bromo-1H-pyrazole-3-carbonitrile 97% C4H2BrN3
CBR00323 4-Bromo-3-nitro-1H-pyrazole-5-carboxylic acid AldrichCPR C4H2BrN3O4
CDS010774 4-chloro-3-formylpyrazole AldrichCPR C4H3ClN2O
736740 4-Chloro-1H-pyrazole-3-carboxylic acid 95% C4H3ClN2O2
406228 3-(Trifluoromethyl)pyrazole 99% C4H3F3N2
753386 4-(Trifluoromethyl)-1H-pyrazole 95% C4H3F3N2
CDS008901 1H-Pyrazole-4-carbonitrile AldrichCPR C4H3N3
414840 4-Nitro-3-pyrazolecarboxylic acid 98% C4H3N3O4
CDS004309 5-Trifluoromethyl-2H-pyrazol-3-ylamine AldrichCPR C4H4F3N3
CDS009918 1H-Pyrazole-3-carbaldehyde AldrichCPR C4H4N2O
CDS003145 1H-Pyrazole-5-carbaldehyde AldrichCPR C4H4N2O
707384 1H-Pyrazole-3-carboxylic acid 97% C4H4N2O2
CDS005690 2H-Pyrazole-3-carboxylic acid AldrichCPR C4H4N2O2
300713 4-Pyrazolecarboxylic acid 95% C4H4N2O2
153044 3-Aminopyrazole-4-carbonitrile 97% C4H4N4
SYX00074 3-Bromo-1-methyl-1H-pyrazole AldrichCPR C4H5BrN2
696455 4-Bromo-1-methyl-1H-pyrazole 97% C4H5BrN2
278238 4-Bromo-3-methyl-1H-pyrazole 97% C4H5BrN2
CDS017465 1-methyl-1H-pyrazole-3-sulfonyl chloride AldrichCPR C4H5ClN2O2S
CDS020165 1-Methyl-1H-pyrazole-4-sulfonyl chloride AldrichCPR C4H5ClN2O2S
CDS020472 5-Methyl-1H-pyrazole-4-sulfonyl chloride AldrichCPR C4H5ClN2O2S
729396 3-Iodo-1-methyl-1H-pyrazole 95% C4H5IN2
683531 4-Iodo-1-methyl-1H-pyrazole 97% C4H5IN2
756334 5-Iodo-1-methyl-1H-pyrazole 97% C4H5IN2
A77407 3-Amino-4-pyrazolecarboxylic acid 95% C4H5N3O2
CBR00017 5-Amino-1H-pyrazole-3-carboxylic acid AldrichCPR C4H5N3O2
CDS005670 5-Amino-1H-pyrazole-4-carboxylic acid AldrichCPR C4H5N3O2
CDS013667 3-amino-4-bromo-1-methylpyrazole AldrichCPR C4H6BrN3
CDS002689 4-Bromo-1-methyl-1H-pyrazol-5-amine AldrichCPR C4H6BrN3
717894 5-Amino-4-bromo-3-methyl-1H-pyrazole 97% C4H6BrN3
732605 5-Amino-4-bromo-3-methylpyrazole hydrobromide C4H6BrN3 · HBr
91493 1-Methylpyrazole ≥99.0% (GC) C4H6N2
M75802 3-Methylpyrazole 97% C4H6N2
CDS002430 5-Methyl-1H-pyrazole AldrichCPR C4H6N2
222569 Fomepizole 99% C4H6N2
CDS006781 (1H-Pyrazol-3-yl)methanol AldrichCPR C4H6N2O
CDS015812 (1H-pyrazol-4-yl)methanol AldrichCPR C4H6N2O
777846 3-Hydroxy-1-methyl-1H-pyrazole 96% C4H6N2O
303062 3-Methyl-3-pyrazolin-5-one 98% C4H6N2O
689750 3-Methyl-5-pyrazolone Lonza quality, 99.0-100.3% (w/w) (T) C4H6N2O
159115 4-Methyl-2-pyrazolin-5-one 98% C4H6N2O
402516 1H-Pyrazole-1-carboxamidine hydrochloride 99% C4H6N4 · HCl
153052 3-Amino-4-pyrazolecarboxamide hemisulfate salt C4H6N4O · 0.5H2SO4
CBR00702 4-Amino-1H-pyrazole-5-carboxamide hydrochloride AldrichCPR C4H7ClN4O
CBR00929 5-Amino-1H-pyrazole-3-carboxamide hydrochloride AldrichCPR C4H7ClN4O
CDS013782 1-Methyl-1H-pyrazol-3-amine AldrichCPR C4H7N3
CDS019978 1-Methyl-1H-pyrazol-4-amine AldrichCPR C4H7N3
CDS003402 1-methyl-1H-pyrazol-5-ylamine AldrichCPR C4H7N3
CDS007468 3-(Aminomethyl)pyrazole AldrichCPR C4H7N3
756857 3-Amino-1-methyl-1H-pyrazole hydrochloride 97% C4H7N3·HCl
340200 3-Amino-5-methylpyrazole 97% C4H7N3
CDS004036 3-Methyl-1H-pyrazol-5-amine AldrichCPR C4H7N3
772585 4-Amino-1-methylpyrazole 95% C4H7N3
CBR01718 1-Methyl-1H-pyrazole-3,4-diamine dihydrochloride AldrichCPR C4H10Cl2N4
390399 3,5-Bis(trifluoromethyl)pyrazole 99% C5H2F6N2
CDS002541 5-(Trifluoromethyl)-1H-pyrazole-3-carboxylic acid AldrichCPR C5H3F3N2O2
CDS010242 5-Trifluoromethyl-2H-pyrazole-3-carboxylic acid AldrichCPR C5H3F3N2O2
CDS017479 4-bromo-1-methyl-1H-pyrazole-3-carbonyl chloride AldrichCPR C5H4BrClN2O
CDS011467 4-bromo-5-methyl-3-trifluoromethylpyrazole AldrichCPR C5H4BrF3N2
CDS013916 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-sulfonyl chloride AldrichCPR C5H4ClF3N2O2S
CDS013658 5-Chloro-1-methyl-1H-pyrazole-4-carbonyl chloride AldrichCPR C5H4Cl2N2O
CDS015894 5-ethynyl-1H-pyrazole AldrichCPR C5H4N2
CDS006480 4-Formyl-1H-pyrazole-3-carboxylic acid AldrichCPR C5H4N2O3
P56801 3,5-Pyrazoledicarboxylic acid monohydrate 97% C5H4N2O4 · H2O
CDS002080 3-(1H-Tetraazol-1-yl)-1H-pyrazole-4-carboxylic acid AldrichCPR C5H4N6O2
CBR01085 5-(1H-Tetrazol-1-yl)-1H-pyrazole-4-carboxylic acid AldrichCPR C5H4N6O2
CDS006723 4-Bromo-1-methyl-1H-pyrazole-3-carboxylic acid AldrichCPR C5H5BrN2O2
CDS014888 4-chloro-1-methyl-1H-pyrazole-3-carbaldehyde AldrichCPR C5H5ClN2O
CDS016090 (4-chloro-pyrazol-1-yl)-acetic acid AldrichCPR C5H5ClN2O2
CBR01823 1-(Difluoromethyl)-4-iodo-3-methyl-1H-pyrazole AldrichCPR C5H5F2IN2
CBR01831 1-(Difluoromethyl)-4-iodo-5-methyl-1H-pyrazole AldrichCPR C5H5F2IN2
424153 3-Methyl-5-(trifluoromethyl)pyrazole 99% C5H5F3N2
711500 3-Hydroxy-1-methyl-5-(trifluoromethyl)pyrazole 97% C5H5F3N2O
711527 5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole ≥97% C5H5F3N2O
CBR01797 1-Methyl-1H-pyrazole-5-carbonitrile AldrichCPR C5H5N3
CBR01296 1-(2-Bromoethyl)-4-chloro-1H-pyrazole AldrichCPR C5H6BrClN2
CDS014693 1-methyl-1H-pyrazole-3-carbaldehyde AldrichCPR C5H6N2O
654043 1-Methyl-1H-pyrazole-4-carboxaldehyde 96% C5H6N2O
729000 1-Methyl-1H-pyrazole-5-carboxaldehyde 96% C5H6N2O
758477 3-Methyl-1H-pyrazole-4-carboxaldehyde 97% C5H6N2O
CDS002698 3-Methyl-1H-pyrazole-5-carbaldehyde AldrichCPR C5H6N2O
682063 1-Methyl-1H-pyrazole-4-carboxylic acid 97% C5H6N2O2
722138 1-Methyl-1H-pyrazole-5-carboxylic acid 97% C5H6N2O2
CDS009881 1H-Pyrazol-1-ylacetic acid AldrichCPR C5H6N2O2
644919 3-Methylpyrazole-4-carboxylic acid 97% C5H6N2O2
644927 3-Methylpyrazole-5-carboxylic acid 97% C5H6N2O2
CDS013710 5-Methyl-1H-pyrazole-3-carboxylic acid AldrichCPR C5H6N2O2
CDS009495 Methyl 1H-pyrazole-3-carboxylate AldrichCPR C5H6N2O2
CDS007083 1-hydroxymethyl-1 h-pyrazole-3-carboxylic acid AldrichCPR C5H6N2O3
CDS020105 5-Amino-3-methyl-1H-pyrazole-4-carbonitrile AldrichCPR C5H6N4
CDS012611 5-Amino-3-methoxy-1H-pyrazole-4-carbonitrile AldrichCPR C5H6N4O
732648 3-Amino-5-(methylthio)pyrazole-4-carbonitrile C5H6N4S
CDS002854 1-(2-Bromoethyl)-1H-pyrazole AldrichCPR C5H7BrN2
724572 4-Bromo-1,3-dimethyl-1H-pyrazole 97% C5H7BrN2
CBR00142 4-Bromo-1,5-dimethyl-1H-pyrazole AldrichCPR C5H7BrN2
CDS003673 4-Bromo-1-ethyl-1H-pyrazole AldrichCPR C5H7BrN2
B64407 4-Bromo-3,5-dimethylpyrazole 99% C5H7BrN2
CDS017588 (4-bromo-1-methyl-1H-pyrazol-3-yl)methanol AldrichCPR C5H7BrN2O
CDS018546 4-bromo-1-methylpyrazole-3-carboxamidoxime AldrichCPR C5H7BrN4O
CDS009619 1-(2,2,2-Trifluoro-ethyl)-1H-pyrazol-4-ylamine hydrochloride AldrichCPR C5H7ClF3N3
CDS015079 1-(2-chloroethyl)-1H-pyrazole AldrichCPR C5H7ClN2
CDS013687 1-(1H-Pyrazol-5-yl)ethan-1-one hydrochloride AldrichCPR C5H7ClN2O
CDS008719 1,3-Dimethyl-1H-pyrazole-5-sulfonyl chloride AldrichCPR C5H7ClN2O2S
CBR01830 1,4-Dimethyl-1H-pyrazole-5-sulfonyl chloride AldrichCPR C5H7ClN2O2S
CDS005418 1,5-Dimethyl-1H-pyrazole-4-sulfonyl chloride AldrichCPR C5H7ClN2O2S
CDS005674 1-Ethyl-1H-pyrazole-4-sulfonyl chloride AldrichCPR C5H7ClN2O2S
CDS020530 3,5-Dimethyl-1H-pyrazole-4-sulfonyl chloride AldrichCPR C5H7ClN2O2S
683523 3,5-Dimethyl-4-iodo-1H-pyrazole 97% C5H7IN2
533866 3-Methyl-1-pyrazolecarboxamide 97% C5H7N3O
CDS008329 (5-Amino-2H-pyrazol-3-yl)-acetic acid AldrichCPR C5H7N3O2
CDS017819 5-amino-1-methyl-1H-pyrazole-4-carboxylic acid AldrichCPR C5H7N3O2
CBR00104 2-(4-Chloro-1H-pyrazol-1-yl)ethanamine AldrichCPR C5H8ClN3
CBR00809 4-(2-Chloroethyl)-1H-pyrazole hydrochloride AldrichCPR C5H8Cl2N2
CBR01696 4-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride AldrichCPR C5H8Cl2N2
713430 3,4-Dimethyl-1H-pyrazole ≥97.0% C5H8N2
05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) C5H8N2
D182001 3,5-Dimethylpyrazole 99% C5H8N2
CBR01738 4-Ethyl-1H-pyrazole AldrichCPR C5H8N2
CDS017449 (1-methyl-1H-pyrazol-5-yl)methanol AldrichCPR C5H8N2O
CDS004224 1-(2-hydroxyethyl)-pyrazole AldrichCPR C5H8N2O
CDS010230 2-(1H-Pyrazol-4-yl)-ethanol AldrichCPR C5H8N2O
CDS004783 5-hydroxy-1,3-dimethylpyrazole AldrichCPR C5H8N2O
CDS005589 1-Methyl-1H-pyrazole-3-carbohydrazide AldrichCPR C5H8N4O
CDS016788 4-amino-1-methyl-1H-pyrazole-3-carboxylic acid amide AldrichCPR C5H8N4O
CDS013783 4-Amino-2-methyl-2H-pyrazole-3-carboxylic acid amide AldrichCPR C5H8N4O
CBR00420 5-Amino-1-methyl-1H-pyrazole-4-carboxamide AldrichCPR C5H8N4O
CDS012822 N′-hydroxy-1-methyl-1H-pyrazole-4-carboximidamide AldrichCPR C5H8N4O
CBR01592 5-Amino-N-methyl-1H-pyrazole-3-carboxamide hydrochloride AldrichCPR C5H9ClN4O
737100 4-Amino-1H-pyrazole-1-acetic acid dihydrochloride 95% C5H9Cl2N3O2
CDS019798 (1-Methyl-1H-pyrazol-3-yl)methylamine AldrichCPR C5H9N3
CDS013871 1,5-dimethyl-1 h-pyrazol-3-ylamine AldrichCPR C5H9N3
CDS019626 1,5-Dimethyl-1H-pyrazol-4-amine AldrichCPR C5H9N3
CDS008012 2-pyrazol-1-yl-ethylamine AldrichCPR C5H9N3
CDS019407 3-Amino-4-ethylpyrazole AldrichCPR C5H9N3
532223 5-Amino-1,3-dimethylpyrazole 97% C5H9N3
295760 5-Amino-1-ethylpyrazole 99% C5H9N3
CDS019625 5-Amino-3-ethyl-1H-pyrazole AldrichCPR C5H9N3
755222 5-Amino-3-ethyl-1H-pyrazole C5H9N3
CDS008625 c-(1-methyl-1H-pyrazol-4-yl)-methylamine AldrichCPR C5H9N3
CDS019362 Methyl-(2H-pyrazol-3-ylmethyl)-amine AldrichCPR C5H9N3
CBR01017 1-(3-Methyl-1H-pyrazol-5-yl)methanamine hydrochloride AldrichCPR C5H10ClN3
CDS015732 1,3-dimethyl-1H-pyrazol-4-ylamine dihydrochloride AldrichCPR C5H11Cl2N3
CDS005855 4,5-diamino-1-(2-hydroxyethyl)pyrazole sulfate AldrichCPR C5H12N4O5S
JRD0197 5-Amino-1H-pyrazole-4-carboxamide.sulfate salt AldrichCPR