• 5-methyl-1-[4-(2-oxo-2-pyrrolidin-1-ylethyl)piperazin-1-yl]pyrimidine-2,4,6(1H,3H,5H)-trione
• 42445-90-9
• C₁₅H₂₃N₅O₄
• 337.3742
• .

• 5-methyl-1-[4-(2-morpholin-4-yl-2-oxoethyl)piperazin-1-yl]pyrimidine-2,4,6(1H,3H,5H)-trione
• 42445-94-3
• C₁₅H₂₃N₅O₅
• 353.3736
• .

• 5-fluoro-1-[(2S,3S)-3-hydroxytetrahydrofuran-2-yl]pyrimidine-2,4(1H,3H)-dione
• 71145-47-6
• C₈H₉FN₂O₄
• 216.1665
• .

• 5-Quinolinamine, N-(phenylmethylene)-
• 42464-76-6
• C₁₆H₁₂N₂
• .

• 5-[(but-2-yn-1-yloxy)methyl]-3-phenyl-1,3-oxazolidin-2-one
• 42468-56-4
• C₁₄H₁₅NO₃
• 245.2738
• .

• 5-{[(1-ethynylcyclohexyl)oxy]methyl}-3-phenyl-1,3-oxazolidin-2-one
• 42468-57-5
• C₁₈H₂₁NO₃
• 299.3642
• .

• 5,5a-dihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-11-oxo-1a,2,5,5a,6,9,10,10a-octahydro-1H-2,8a-methanocyclopenta[a]cyclopropa[e][10]annulen-6-yl (2E,4E,6E,8E,10E)-tetradeca-2,4,6,8,10-pentaenoate
• 42483-56-7
• C₃₄H₄₄O₆
• 548.7096
• .

• 5H-1,3,4-Thiadiazolo[3,2-a]pyrimidin-5-one, 7-methyl-2-(methylthio)-
• 42484-73-1
• C₇H₇N₃OS₂
• .

• 5-{[(E)-(2-chlorophenyl)methylidene]amino}pyrimidine-2,4(1H,3H)-dione
• 42485-27-8
• C₁₁H₈ClN₃O₂
• 249.6531
• .

• 5-{[(E)-(3-nitrophenyl)methylidene]amino}pyrimidine-2,4(1H,3H)-dione
• 42485-28-9
• C₁₁H₈N₄O₄
• 260.2056
• .

• 5-{[(E)-(4-chlorophenyl)methylidene]amino}pyrimidine-2,4(1H,3H)-dione
• 42485-29-0
• C₁₁H₈ClN₃O₂
• 249.6531
• .

• 5,12-dihydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl 3-amino-2,3,6-trideoxyhexopyranoside
• 71183-61-4
• C₂₄H₂₅NO₇
• 439.4578
• .

• 5-Tetradecene, 14-chloro-, (5Z)-
• 42513-41-7
• C₁₄H₂₇Cl
• .

• 5-benzylidene-3-phenyl-1,3-thiazolidine-2,4-dione
• 42518-27-4
• C₁₆H₁₁NO₂S
• 281.329
• .

• 5-hydroxy-3,4-dimethyl-5-nonylfuran-2(5H)-one
• 71190-94-8
• C₁₅H₂₆O₃
• 254.3651
• .

• 5-decyl-5-hydroxy-3,4-dimethylfuran-2(5H)-one
• 71190-95-9
• C₁₆H₂₈O₃
• 268.3917
• .

• 5-hydroxy-3,4-dimethyl-5-undecylfuran-2(5H)-one
• 71190-96-0
• C₁₇H₃₀O₃
• 282.4183
• .

• 5-Decen-2-one, (E)-
• 42521-57-3
• C₁₀H₁₈O
• .

• 5-Decen-2-one, 4-phenyl-, (5E)-
• 42521-58-4
• C₁₆H₂₂O
• .

• 5(4H)-Oxazolone, 4-[[4-(acetyloxy)phenyl]methylene]-2-phenyl-, (4Z)-
• 71198-74-8
• C₁₈H₁₃NO₄
• .

• 5(4H)-Oxazolone, 4-[(4-hydroxy-3-methoxyphenyl)methylene]-2-phenyl-,(Z)-
• 71198-75-9
• C₁₇H₁₃NO₄
• .

• 5(4H)-Oxazolone, 4-[(4-hydroxy-3-methoxyphenyl)methylene]-2-phenyl-,(4E)-
• 71198-76-0
• C₁₇H₁₃NO₄
• .

• 5H-Imidazo[4,5-d]pyridazine-5-acetamide,2-butyl-1,4-dihydro-N,N-dimethyl-4-oxo-
• 169751-90-0
• C₁₃H₁₉N₅O₂
• .

• 5H-Imidazo[4,5-d]pyridazine-5-acetamide,3-[(4-aminophenyl)methyl]-2-butyl-3,4-dihydro-N,N-dimethyl-4-oxo-
• 169751-93-3
• C₂₀H₂₆N₆O₂
• .

• 5-[(3-iodophenyl)methylidene]-2-thioxo-1,3-thiazolidin-4-one
• 42549-28-0
• C₁₀H₆INOS₂
• 347.1952
• .

• 5-acetyl-3-(butan-2-yl)-5-hydroxyimidazolidine-2,4-dione
• 71239-22-0
• C₉H₁₄N₂O₄
• 214.2185
• .

• 5-(chloromethyl)-2,2-dimethyl-1,3-oxathiolane
• 42576-20-5
• C₆H₁₁ClOS
• 166.6689
• .

• 5-chloro-6-(1-fluoroethyl)-N-{2-[4-(trifluoromethoxy)phenyl]ethyl}pyrimidin-4-amine
• 170015-32-4
• C₁₅H₁₄ClF₄N₃O
• 363.7378
• .

• 5,7-dimethylideneoctahydro-1H-2,4,1-(ethane[1,1,2]triyl)cyclobuta[cd]pentalene
• 42607-62-5
• C₁₃H₁₄
• 170.2503
• .

• 5-hydroxypyrimidine-2,4,6(1H,3H,5H)-trione hydrate (1:1)
• 42608-53-7
• C₄H₆N₂O₅
• 162.1008
• .

• 5-[carbamoyl(nitroso)amino]-L-norvaline
• 33904-55-1
• C₆H₁₂N₄O₄
• 204.1839
• .

• 5-Tridecene
• 42714-71-6
• C₁₃H₂₆
• 182.3455
• .

• 5-(1-hydroxyethyl)-3,4-dimethyl-4,5,8,10,12,13,13a,13b-octahydro-2H-[1,6]dioxacycloundecino[2,3,4-gh]pyrrolizine-2,6(3H)-dione
• 71295-32-4
• C₁₇H₂₅NO₅
• 323.3841
• .

• 5-benzyl-1,3-oxazolidin-2-one
• 42746-49-6
• C₁₀H₁₁NO₂
• 177.1998
• .

• 5H-Cyclopenta[b]pyridine-3-carbonitrile,2-[[2-(4-chlorophenyl)-2-oxoethyl]thio]-6,7-dihydro-4-(4-hydroxyphenyl)-
• 713096-10-7
• C₂₃H₁₇ClN₂O₂S
• .

• 5H-Cyclopenta[b]pyridine-3-carbonitrile,6,7-dihydro-4-(4-hydroxyphenyl)-2-[(phenylmethyl)thio]-
• 713099-49-1
• C₂₂H₁₈N₂OS
• .

• 5-ethyl-1,2,3,4-tetrahydronaphthalene
• 42775-75-7
• C₁₂H₁₆
• 160.2554
• .

• 5,11-Dioxa-7,9-dithia-8-tellurapentadecane, 6,10-dithioxo-
• 71316-47-7
• C₁₀H₁₈O₂S₄Te
• .

• 5-(2-hydroxyethyl)-4-methyl-3-(2-nitrobenzyl)-1,3-thiazol-3-ium
• 42784-64-5
• C₁₃H₁₅N₂O₃S
• 279.3343
• .

• 5-Quinolinamine, 1,2,3,4-tetrahydro-2,6-dimethyl-
• 42836-17-9
• C₁₁H₁₆N₂
• .

• 5,5'-bi-1,2,4-triazine-3,3'-diamine
• 42836-91-9
• C₆H₆N₈
• 190.1654
• .

• 5-Nonanone, O-2-propenyloxime
• 71350-26-0
• C₁₂H₂₃NO
• .

• 5-[(6-methylpyridin-3-yl)methyl]-2-({2-[(1,3-thiazol-2-ylmethyl)sulfanyl]ethyl}amino)pyrimidin-4(3H)-one trihydrochloride
• 71351-52-5
• C₁₇H₂₂Cl₃N₅OS₂
• 482.8785
• .

• 5-(3-chloro-4-methoxyphenyl)-5-oxopentanoic acid
• 71354-31-9
• C₁₂H₁₃ClO₄
• 256.6822
• .

• 5,5'-dimethyl-3,3,3',3'-tetrakis(trifluoromethyl)-1,1'-spirobi[2,1-benzoxaphosphol-1-ium]
• 71401-73-5
• C₂₀H₁₂F₁₂O₂P
• 543.2621
• .

• 5-acetyl-2-amino-4-hydroxybenzonitrile
• 71408-03-2
• C₉H₈N₂O₂
• 176.172
• .

• 5(or 8)-amino-8(or 5)-bromo-9,10-dihydro-9,10-dioxoanthracene-1,x-disulphonic acid
• 71411-99-9
• C₁₄H₈BrNO₈S₂
• 275-407-1
• 203.03328
• .

• 5-Thiazolecarboxylic acid, 4-methyl-2-(methylamino)-,2-methoxy-2-oxoethyl ester
• 428834-35-9
• C₉H₁₂N₂O₄S
• .

• 5-(phenylethynyl)pyrimidine
• 71418-88-7
• C₁₂H₈N₂
• 180.2053
• .

• 5-(hydroxymethyl)-3-(3-hydroxyphenyl)-1,3-oxazolidin-2-one
• 42902-35-2
• C₁₀H₁₁NO₄
• 209.1986
• .