C4 to C5

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387800 5-Chloro-2,4,6-trifluoropyrimidine 99% C4ClF3N2
CDS009138 5-nitro-2,4,6-trichloropyrimidine AldrichCPR C4Cl3N3O2
246719 2,4,5,6-Tetrachloropyrimidine 97% C4Cl4N2
416762 5-Bromo-2,4-dichloropyrimidine 97% C4HBrCl2N2
684635 5-Bromo-4,6-dichloropyrimidine 97% C4HBrCl2N2
700975 5-Bromo-4,6-difluoropyrimidine C4HBrF2N2
719722 2,4,6-Tribromopyrimidine 95% C4HBr3N2
653233 2,4-Dichloro-5-fluoropyrimidine 97% C4HCl2FN2
706566 2,4-Dichloro-5-iodopyrimidine 95% C4HCl2IN2
658340 2,4-Dichloro-5-nitropyrimidine 97% C4HCl2N3O2
D69300 4,6-Dichloro-5-nitropyrimidine ≥97% C4HCl2N3O2
652032 2,4,5-Trichloropyrimidine 99% C4HCl3N2
T56200 2,4,6-Trichloropyrimidine 97% C4HCl3N2
CDS013249 2,4-dichloropyrimidine-5-sulfonyl chloride AldrichCPR C4HCl3N2O2S
684643 4,5,6-Trifluoropyrimidine 96% C4HF3N2
596949 5-Bromo-2-chloropyrimidine 96% C4H2BrClN2
47149 5-Bromo-2-chloropyrimidine purum, ≥98.0% (HPLC) C4H2BrClN2
CDS004432 5-Bromo-2-fluoropyrimidine AldrichCPR C4H2BrFN2
637750 5-Bromo-2-iodopyrimidine 97% C4H2BrIN2
740381 2,5-Dibromopyrimidine 97% C4H2Br2N2
308552 5,5-Dibromobarbituric acid 97% C4H2Br2N2O3
651753 2-Chloro-5-fluoropyrimidine 97% C4H2ClFN2
CDS007965 2-chloro-5-iodopyrimidine AldrichCPR C4H2ClIN2
CDS009289 4-chloro-5-iodo-pyrimidine AldrichCPR C4H2ClIN2
SYX00017 5-Chloro-2-iodopyrimidine AldrichCPR C4H2ClIN2
720348 2-Chloro-5-nitropyrimidine 97% C4H2ClN3O2
143847 2,4-Dichloropyrimidine 98% C4H2Cl2N2
720917 2,5-Dichloropyrimidine 97% C4H2Cl2N2
145378 4,6-Dichloropyrimidine 97% C4H2Cl2N2
CDS009844 2-chloro-pyrimidine-5-sulfonyl chloride AldrichCPR C4H2Cl2N2O2S
661082 2,4-Difluoropyrimidine 97% C4H2F2N2
CDS002862 4,6-Difluoropyrimidine AldrichCPR C4H2F2N2
SYX00025 4,6-Diiodopyrimidine AldrichCPR C4H2I2N2
A7413 Alloxan monohydrate C4H2N2O4 · H2O
A6316 Alloxan tetrahydrate C4H2N2O4 · 4H2O
CDS004249 4-amino-5-bromo-2-chloropyrimidine AldrichCPR C4H3BrClN3
245844 2-Bromopyrimidine 95% C4H3BrN2
219142 5-Bromopyrimidine 97% C4H3BrN2
588172 5-Bromo-2-hydroxypyrimidine 95% C4H3BrN2O
852473 5-Bromouracil 98% C4H3BrN2O2
CDS005632 4-amino-2-chloro-5-iodopyrimidine AldrichCPR C4H3ClIN3
193291 2-Chloropyrimidine 95% C4H3ClN2
CDS017194 4-chloropyrimidine AldrichCPR C4H3ClN2
CDS005729 5-chloro-2-hydroxypyrimidine AldrichCPR C4H3ClN2O
CDS005311 6-chloro-4-hydroxypyrimidine AldrichCPR C4H3ClN2O
224588 5-Chlorouracil ReagentPlus®, 99% C4H3ClN2O2
750395 5-Chloropyrimidine-2-thiol 95% C4H3ClN2S
720321 4-Amino-2-chloro-5-nitropyrimidine 95% C4H3ClN4O2
A48601 2-Amino-4,6-dichloropyrimidine 98% C4H3Cl2N3
679070 4-Amino-2,6-dichloropyrimidine 95% C4H3Cl2N3
CDS009579 5,6-dichloropyrimidin-4-amine AldrichCPR C4H3Cl2N3
731919 5-Amino-2,4-dichloropyrimidine 97% C4H3Cl2N3
217735 5-Amino-4,6-dichloropyrimidine 97% C4H3Cl2N3
656445 5-Fluoro-2-hydroxypyrimidine 97% C4H3FN2O
858471 5-Fluorouracil 99% C4H3FN2O2
857858 5-Iodouracil 98% C4H3IN2O2
11715 Sodium barbiturate ≥97.0% (T) C4H3N2NaO3
126233 4,6-Dihydroxy-5-nitropyrimidine 95% C4H3N3O4
N10705 5-Nitrobarbituric acid hydrate 95% C4H3N3O5 · xH2O
303526 2-Amino-5-bromopyrimidine 98% C4H4BrN3
150649 5-Bromocytosine 99% C4H4BrN3O
661325 2-Amino-4-chloropyrimidine 97% C4H4ClN3
651567 2-Amino-5-chloropyrimidine 97% C4H4ClN3
679062 4-Amino-2-chloropyrimidine 97% C4H4ClN3
735272 4-Amino-6-chloropyrimidine 97% C4H4ClN3
CDS009800 5-amino-2-chloropyrimidine AldrichCPR C4H4ClN3
732281 5-Amino-4-chloropyrimidine 97% C4H4ClN3
CDS000233 2-Amino-6-chloro-4-pyrimidinol AldrichCPR C4H4ClN3O
A47028 2-Amino-6-chloro-4-pyrimidinol hydrate 98% C4H4ClN3O · xH2O
CDS008606 2-amino-5-fluoropyrimidine AldrichCPR C4H4FN3
131695 Pyrimidine ≥98.0% C4H4N2
H57408 2-Hydroxypyrimidine hydrochloride 98% C4H4N2O · HCl
56420 4(3H)-Pyrimidinone ≥98.0% (NT) C4H4N2O
858064 4(3H)-Pyrimidinone ≥98% C4H4N2O
CDS019996 4-Pyrimidinol AldrichCPR C4H4N2O
681350 Pyrimidine N-oxide 97% C4H4N2O
440736 4-Thiouracil 97% C4H4N2OS
D120405 4,6-Dihydroxypyrimidine 98% C4H4N2O2
94220 Uracil ≥99.0% (T) C4H4N2O2
T5500 2-Thiobarbituric acid ≥98% C4H4N2O2S
88481 2-Thiobarbituric acid purum, ≥98.0% (S) C4H4N2O2S
129623 2-Mercaptopyrimidine 98% C4H4N2S
158461 Dithiouracil 98% C4H4N2S2
A70836 2-Amino-5-nitropyrimidine 98% C4H4N4O2
C33204 2,6-Diamino-4-chloropyrimidine 98% C4H5ClN4
CDS018829 2-chloro-4,5-diaminopyrimidine AldrichCPR C4H5ClN4
CDS009081 2,4-diamino-6-fluoropyrimidine AldrichCPR C4H5FN4
A78608 2-Aminopyrimidine 97% C4H5N3
261823 4-Aminopyrimidine 98% C4H5N3
732257 5-Aminopyrimidine 96% C4H5N3
CDS009427 2-amino-5-hydroxypyrimidine AldrichCPR C4H5N3O
CDS001364 4-Amino-6-hydroxypyrimidine AldrichCPR C4H5N3O
ANV00026 4-Hydroxy-6-aminopyrimidine AldrichCPR C4H5N3O
30430 Cytosine ≥99.0% (HPLC) C4H5N3O
A57406 4-Amino-6-hydroxy-2-mercaptopyrimidine monohydrate 98% C4H5N3OS · H2O
A50401 2-Amino-4,6-dihydroxypyrimidine 98% C4H5N3O2
855286 5-Aminouracil 98% C4H5N3O2
A50606 6-Aminouracil 97% C4H5N3O2
233625 2-Thiocytosine 97% C4H5N3S
468231 2,4-Diaminopyrimidine 98% C4H6N4
D24501 4,5-Diaminopyrimidine 95% C4H6N4
33340 4,5-Diaminopyrimidine purum, ≥95.0% (NT) C4H6N4
D19206 2,4-Diamino-6-hydroxypyrimidine 96% C4H6N4O
D17807 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine 85% C4H6N4OS
392464 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine hemisulfate salt hydrate 97% C4H6N4OS · 0.5H2SO4 · xH2O
D15103 5,6-Diaminouracil sulfate 95% C4H6N4O2 · xH2SO4
CBR01789 6-Hydrazinopyrimidine-2,4(1H,3H)-dione AldrichCPR C4H6N4O2
125830 4,6-Diamino-2-mercaptopyrimidine hydrate 99% C4H6N4S · xH2O
D15405 4,5-Diamino-2,6-dimercaptopyrimidine technical grade, 90% C4H6N4S2
T45802 2,4,6-Triaminopyrimidine 97% C4H7N5
293334 1,4,5,6-Tetrahydropyrimidine 97% C4H8N2
T15156 3,4,5,6-Tetrahydro-2-pyrimidinethiol ≥99% C4H8N2S
CDS003714 5,6-diaminopyrimidin-4(3H)-one sulfate AldrichCPR C4H8N4O5S
T3807 2,4,5,6-Tetraaminopyrimidine sulfate salt 97% C4H8N6 · H2SO4
307181 4,5,6-Triaminopyrimidine sulfate 98% C4H9N5O4S
755044 4,6-Dichloro-2-(trifluoromethyl)pyrimidine 97% C5HCl2F3N2
CDS005455 3-Bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidine AldrichCPR C5H2BrClN4
ANV00019 5-Bromopyrimidine-2-carbonitrile AldrichCPR C5H2BrN3
407070 2-Chloro-4-(trifluoromethyl)pyrimidine 99% C5H2ClF3N2
720313 2-Chloro-5-(trifluoromethyl)pyrimidine 96% C5H2ClF3N2
638145 4,6-Dichloropyrimidine-5-carboxaldehyde 97% C5H2Cl2N2O
753475 2,4-Dichloropyrimidine-5-carboxylic acid 97% C5H2Cl2N2O2
759295 2,6-dichloropyrimidine-4-carboxylic acid 97% C5H2Cl2N2O2
CDS009668 4,6-dichloro-2-pyrimidinecarboxylic acid AldrichCPR C5H2Cl2N2O2
CDS015923 4,6-dichloro-5-pyrimidinecarboxylic acid AldrichCPR C5H2Cl2N2O2
CDS008152 4,6-Dichloro-1H-pyrazolo[3,4-d]pyrimidine AldrichCPR C5H2Cl2N4
731056 6-Amino-3-bromo-4-chloropyrazolo[3,4-d]pyrimidine 95% C5H3BrClN5
CDS009737 5-bromo-2-hydroxypyrimidine-4-carboxylic acid AldrichCPR C5H3BrN2O3
563846 4-Amino-2-bromopyrimidine-5-carbonitrile 95% C5H3BrN4
CDS017632 2-chloropyrimidine-4-carboxylic acid AldrichCPR C5H3ClN2O2
CDS009961 2-chloropyrimidine-5-carboxylic acid AldrichCPR C5H3ClN2O2
597600 4-Amino-2-chloropyrimidine-5-carbonitrile 97% C5H3ClN4
757640 4,6-Dichloro-5-iodo-2-(methylthio)pyrimidine 97% C5H3Cl2IN2S
656720 2-Amino-4,6-dichloropyrimidine-5-carboxaldehyde 97% C5H3Cl2N3O
CDS003494 2,4-Dichloro-6-methyl-5-nitropyrimidine AldrichCPR C5H3Cl2N3O2
679054 2,4,6-Trichloro-5-methylpyrimidine 97% C5H3Cl3N2
407798 2-Hydroxy-4-(trifluoromethyl)pyrimidine 97% C5H3F3N2O
385344 4-Hydroxy-6-(trifluoromethyl)pyrimidine 99% C5H3F3N2O
546011 6-(Trifluoromethyl)uracil 97% C5H3F3N2O2
223271 Trifluorothymine 97% C5H3F3N2O2
407682 4-(Trifluoromethyl)pyrimidine-2-thiol 96% C5H3F3N2S
646830 2-Pyrimidinecarbonitrile 97% C5H3N3
CDS007084 pyrimidine-4-carbonitrile AldrichCPR C5H3N3
746002 4-Hydroxypyrimidine-5-carbonitrile 97% C5H3N3O
CDS000822 5-Cyanouracil AldrichCPR C5H3N3O2
ADE001441 3-Bromo-1H-pyrazolo[3,4-d]pyrimidin-4-amine AldrichCPR C5H4BrN5
CDS009743 4-chloro-5-iodo-2-methyl-pyrimidine AldrichCPR C5H4ClIN2
CDS007701 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine AldrichCPR C5H4ClN5
D66182 2,4-Dichloro-5-methylpyrimidine 98% C5H4Cl2N2
144185 2,4-Dichloro-6-methylpyrimidine 98% C5H4Cl2N2
596728 4,6-Dichloro-2-methylpyrimidine 98% C5H4Cl2N2
595446 4,6-Dichloro-5-methylpyrimidine 97% C5H4Cl2N2
679089 2,4-Dichloro-5-methoxypyrimidine 97% C5H4Cl2N2O
CDS014917 2,4-dichloro-6-methoxypyrimidine AldrichCPR C5H4Cl2N2O
CDS004451 2,5-Dichloro-4-methoxypyrimidine AldrichCPR C5H4Cl2N2O
CDS016469 5,6-dichloro-2-methyl-4-pyrimidinol AldrichCPR C5H4Cl2N2O
144533 4,6-Dichloro-2-(methylthio)pyrimidine 98% C5H4Cl2N2S
551821 4-Hydroxy-6-(trifluoromethyl)pyrimidine-2-thiol 97% C5H4F3N2OS
709131 2-Amino-4-(trifluoromethyl)pyrimidine 97% C5H4F3N3
546038 2-Amino-4-hydroxy-6-trifluoromethylpyrimidine 97% C5H4F3N3O
ADE001444 3-Iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine AldrichCPR C5H4IN5
CDS004733 pyrimidine-5-carboxaldehyde AldrichCPR C5H4N2O
730831 4-Pyrimidinecarboxylic acid C5H4N2O2
CDS008040 Pyrimidine-2-carboxylic acid AldrichCPR C5H4N2O2
754315 Pyrimidine-2-carboxylic acid 97% C5H4N2O2
CDS003995 pyrimidine-5-carboxylic acid AldrichCPR C5H4N2O2
414174 5-Formyluracil 98% C5H4N2O3
126268 2,4-Dihydroxypyrimidine-5-carboxylic acid 95% C5H4N2O4
CDS012444 6-hydroxy-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde AldrichCPR C5H4N2O4
75510 Orotic acid monohydrate purum, ≥97.0% (T) C5H4N2O4 · H2O
O8402 Orotic acid monohydrate 97% C5H4N2O4 · H2O
324167 1,2,4-Triazolo[1,5-a]pyrimidine 99% C5H4N4
CDS007343 2-aminopyrimidine-5-carbonitrile AldrichCPR C5H4N4
479969 4-Amino-5-pyrimidinecarbonitrile 96% C5H4N4
754323 2-Bromo-4-methylpyrimidine 97% C5H5BrN2
CDS019335 5-Bromo-4-methylpyrimidine AldrichCPR C5H5BrN2
634883 5-Bromo-2-methoxypyrimidine 97% C5H5BrN2O
ANV00173 4-Chloro-5-iodo-6-methyl-pyrimidin-2-amine AldrichCPR C5H5ClIN3
741116 2-Chloro-4-methylpyrimidine 97% C5H5ClN2
CDS005314 2-Chloro-4-methylpyrimidine AldrichCPR C5H5ClN2
CDS005044 2-Chloro-5-methylpyrimidine AldrichCPR C5H5ClN2
536458 2-Chloro-4-methoxypyrimidine 98% C5H5ClN2O
681288 2-Chloro-5-methoxypyrimidine 97% C5H5ClN2O
CDS006699 4-Chloro-6-methoxypyrimidine AldrichCPR C5H5ClN2O
759589 5-Chloro-2-methoxypyrimidine 97% C5H5ClN2O
760021 6-Chloro-4-hydroxy-5-methylpyrimidine 96% C5H5ClN2O
CDS002422 6-Chloro-5-methyl-4-pyrimidinol AldrichCPR C5H5ClN2O
183946 6-(Chloromethyl)uracil 98% C5H5ClN2O2
CDS007215 6-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-sulfonyl chloride AldrichCPR C5H5ClN2O4S
CDS006505 2-chloro-4-methylthiopyrimidine AldrichCPR C5H5ClN2S
145289 4-Chloro-2-methylthiopyrimidine 98% C5H5ClN2S
SYX00015 4-Chloro-6-methylthiopyrimidine AldrichCPR C5H5ClN2S
CDS015538 2,4-dichloro-5-amino-6-methylpyrimidine AldrichCPR C5H5Cl2N3
548235 5-Amino-4,6-dichloro-2-methylpyrimidine 97% C5H5Cl2N3
559911 5-Fluoro-2-methoxy-4(1H)pyrimidinone 97% C5H5FN2O2
410403 2-Hydrazino-4-(trifluoromethyl)pyrimidine 99% C5H5F3N4
763624 4-Aminopyrimidine-5-carboxaldehyde 97% C5H5N3O
CDS007566 4-aminopyrimidine-5-carboxylic acid AldrichCPR C5H5N3O2
CDS009934 4-amino-2-oxo-1,2-dihydro-pyrimidine-5-carboxylic acid AldrichCPR C5H5N3O3
191213 5-Aminoorotic acid 99% C5H5N3O4
BOG00003 Pyrimidine-2-thiocarboxamide 97%, AldrichCPR C5H5N3S
A77806 4-Aminopyrazolo[3,4-d]pyrimidine 98% C5H5N5
CDS000700 4-Amino-1H-pyrazolo[3,4-d]pyrimidin-6-ol AldrichCPR C5H5N5O
715085 2-Amino-5-bromo-4-methylpyrimidine 97% C5H6BrN3
205206 2-Amino-5-bromo-6-methyl-4-pyrimidinol 97% C5H6BrN3O
122882 2-Amino-4-chloro-6-methylpyrimidine 97% C5H6ClN3
CDS004452 2-chloro-6-methyl-4-pyrimidinylamine AldrichCPR C5H6ClN3
CDS007827 4-amino-2-chloro-5-methylpyrimidine AldrichCPR C5H6ClN3
CDS007747 4-amino-6-chloro-2-methylpyrimidine AldrichCPR C5H6ClN3
732087 4-Chloro-6-(methylamino)pyrimidine 97% C5H6ClN3
518646 2-Amino-4-chloro-6-methoxypyrimidine 95% C5H6ClN3O
A46005 4-Amino-6-chloro-2-(methylthio)pyrimidine 97% C5H6ClN3S
686956 2-Methylpyrimidine 97% C5H6N2
127493 4-Methylpyrimidine 97% C5H6N2
686948 5-Methylpyrimidine 96% C5H6N2
H43202 2-Hydroxy-4-methylpyrimidine hydrochloride 97% C5H6N2O · HCl
CDS019438 2-Hydroxy-5-methylpyrimidine AldrichCPR C5H6N2O
CDS005079 2-Methoxypyrimidine AldrichCPR C5H6N2O
761850 4-Hydroxy-6-methylpyrimidine 97% C5H6N2O
H33800 4-Hydroxy-2-mercapto-6-methylpyrimidine 95% C5H6N2OS
69400 6-Methyl-2-thiouracil purum, ≥98.0% S basis (elemental analysis) C5H6N2OS
293768 1-Methyluracil 99% C5H6N2O2
D115258 4,6-Dihydroxy-2-methylpyrimidine 97% C5H6N2O2
591025 4,6-Dihydroxy-5-methylpyrimidine 97% C5H6N2O2
D115207 6-Methyluracil 97% (HPLC) C5H6N2O2
D114804 2-Methylthio-4,6-pyrimidinedione 97% C5H6N2O2S
852589 5-(Hydroxymethyl)uracil 97% C5H6N2O3
CDS006745 hydroxymethyl uracil AldrichCPR C5H6N2O3
M4805 2-Mercapto-4-methylpyrimidine hydrochloride 99% C5H6N2S · HCl
CDS013913 2,4-diaminopyrimidine-5-carbaldehyde AldrichCPR C5H6N4O
CDS011431 4-aminopyrimidine-5-carboxamide AldrichCPR C5H6N4O
BOG00014 Pyrimidine-2-carboxamidoxime 97%, AldrichCPR C5H6N4O
566969 6-Amino-1-methyl-5-nitrosouracil 97% C5H6N4O3
CBR01548 5-Methyl-2-pyrimidinol hydrochloride AldrichCPR C5H7ClN2O
CDS017584 2-chloro-6-methylpyrimidine-4,5-diamine AldrichCPR C5H7ClN4
CDS018748 2-chloro-n4-methylpyrimidine-4,5-diamine AldrichCPR C5H7ClN4
ANV00137 5-Iodo-2-(methylthio)pyrimidine-4,6-diamine AldrichCPR C5H7IN4S
A65700 2-Amino-4-methylpyrimidine 97% C5H7N3
CDS014871 2-methyl-4-pyrimidinamine AldrichCPR C5H7N3
CDS006623 2-pyrimidinemethanamine AldrichCPR C5H7N3
CDS009715 5-methylpyrimidin-2-amine AldrichCPR C5H7N3
CDS019327 6-Methyl-pyrimidin-4-ylamine AldrichCPR C5H7N3
A58003 2-Amino-4-hydroxy-6-methylpyrimidine 98% C5H7N3O
CDS005419 2-amino-4-methoxypyrimidine AldrichCPR C5H7N3O
CBR00408 2-Amino-5-methyl-4-pyrimidinol AldrichCPR C5H7N3O
CDS004264 4-amino-2-methoxypyrimidine AldrichCPR C5H7N3O
513245 4-Amino-6-methoxypyrimidine 96% C5H7N3O
346799 6-Amino-1-methyluracil 97% C5H7N3O2
CDS004049 2-(methylthio)pyrimidin-4-amine AldrichCPR C5H7N3S
ANV00048 2-(methylthio)pyrimidin-4-amine AldrichCPR C5H7N3S
CDS015874 N4-methylpyrimidine-4,5-diamine AldrichCPR C5H8N4