• 5-(6-amino-9H-purin-9-yl)-3-methylcyclopent-3-ene-1,2-diol
• 5261-79-0
• C₁₁H₁₃N₅O₂
• 247.2532
• .

• 5-[(4-iodophenyl)amino]-3-(3-methylphenyl)-1,3-thiazolidine-2,4-dione
• 5262-47-5
• C₁₆H₁₃IN₂O₂S
• 424.2561
• .

• 5-(4-tert-butylphenyl)-6-(2-hydroxyethyl)-1,3-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione
• 5267-63-0
• C₂₀H₂₅N₃O₃
• 355.4308
• .

• 5-{4-[(difluoromethyl)sulfanyl]benzyl}-2-(2-pentylidenehydrazino)-1,3-thiazol-4(5H)-one
• 5268-86-0
• C₁₆H₁₉F₂N₃OS₂
• 371.4684
• .

• 5,6-dichlorocyclohex-2-ene-1,4-dione
• 5273-62-1
• C₆H₄Cl₂O₂
• 179.0008
• .

• 5-bromo-2-(3,4-dichlorophenyl)-1H-isoindole-1,3(2H)-dione
• 5277-72-5
• C₁₄H₆BrCl₂NO₂
• 371.0129
• .

• 5-Isoxazolol, 4,5-dihydro-3,5-diphenyl-
• 52790-27-9
• C₁₅H₁₃NO₂
• .

• 5-nitrothiophene-2-carbaldehyde N-(3-methylphenyl)thiosemicarbazone
• 5280-20-6
• C₁₃H₁₂N₄O₂S₂
• 320.39
• .

• 5-bromo-N'-(3,3-dimethyl-3,4-dihydroisoquinolin-1-yl)furan-2-carbohydrazide
• 5280-93-3
• C₁₆H₁₆BrN₃O₂
• 362.2211
• .

• 5-(5,8,11,13,16,19-hexaoxatricosan-12-yl)-1,3-benzodioxole
• 5281-13-0
• C₂₄H₄₀O₈
• 456.5696
• .

• 5-({7-[2-hydroxy-3-(1-methylethoxy)propyl]-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl}hydrazono)pyrimidine-2,4,6(1H,3H,5H)-trione
• 5281-53-8
• C₁₆H₂₀N₈O₇
• 436.3794
• .

• 5-{[(E)-(4-methoxynaphthalen-1-yl)methylidene]amino}-2,3-dihydrophthalazine-1,4-dione
• 5283-35-2
• C₂₀H₁₅N₃O₃
• 345.3514
• .

• 5-{4-[(difluoromethyl)sulfanyl]benzyl}-2-{2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino}-1,3-thiazol-4(5H)-one
• 5290-61-9
• C₁₈H₁₅F₂N₃O₂S₂
• 407.4574
• .

• 5H-Indeno[1,2-c]isoquinolin-5-one, 6,11-dihydro-11-hydroxy-
• 5291-20-3
• C₁₆H₁₁NO₂
• .

• 5,8-Dioxa-2,11-diazadodecanedioic acid, 1,1-dimethylethyl4-(hydroxymethyl)-2,6-dimethylphenyl ester
• 529506-84-1
• C₂₁H₃₄N₂O₇
• .

• 5-bromo-2-iodo-N-(3-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)benzamide
• 5297-43-8
• C₁₉H₁₁BrIN₃O₂
• 520.118
• .

• 5-ethoxy-3,5-diphenyl-4,5-dihydro-3H-spiro[furan-2,2'-indene]-1',3'-dione
• 5302-86-3
• C₂₆H₂₂O₄
• 398.4505
• .

• 5-ethyl-3-[(2E)-2-(3-iodobenzylidene)hydrazinyl]-5H-[1,2,4]triazino[5,6-b]indole
• 5305-32-8
• C₁₈H₁₅IN₆
• 442.2564
• .

• 5-Pyrimidinecarbonitrile, 6-chloro-1,4-dihydro-4-oxo-
• 5305-43-1
• C₅H₂ClN₃O
• .

• 5-{[(4-methylpentyl)amino]methylidene}-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
• 5306-89-8
• C₁₁H₁₇N₃O₂S
• 255.3366
• .

• 5-[methyl(1,3-thiazol-2-yl)amino]-5-oxopentanoic acid
• 5309-49-9
• C₉H₁₂N₂O₃S
• 228.2682
• .

• 5-{[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]amino}pyrimidine-2,4(1H,3H)-dione
• 5315-28-6
• C₁₁H₉N₃O₃
• 231.2075
• .

• 5-(1H-indol-3-yl)-2,7-dimethyl-3,5-dihydropyrazolo[1,5-c]quinazoline
• 5317-72-6
• C₂₀H₁₈N₄
• 314.3837
• .

• 5-chloro-N,N'-bis[3-(4,5-dihydro-1H-imidazol-2-yl)phenyl]benzene-1,3-dicarboxamide
• 5318-84-3
• C₂₆H₂₃ClN₆O₂
• 486.9528
• .

• 5-chloro-3-hydrazinylpyridazin-4-amine
• 53180-75-9
• C₄H₆ClN₅
• 159.5769
• .

• 5-acetyl-4-(2-chlorophenyl)-2-{[2-(2,4-dimethylphenyl)-2-oxoethyl]sulfanyl}-6-methyl-1,4-dihydropyridine-3-carbonitrile
• 5320-69-4
• C₂₅H₂₃ClN₂O₂S
• 450.9803
• .

• 5-tert-butyl-N'-[(1E)-thiophen-2-ylmethylidene]-1H-pyrazole-3-carbohydrazide
• 5321-57-3
• C₁₃H₁₆N₄OS
• 276.3573
• .

• 5-(2-propoxybenzylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
• 5322-84-9
• C₁₄H₁₄N₂O₃S
• 290.3376
• .

• 5-benzyl-2-[(4-chlorophenyl)amino]-1,3-thiazol-4(5H)-one
• 5324-74-3
• C₁₆H₁₃ClN₂OS
• 316.80522
• .

• 5-(3-methylbenzyl)-2-[(2E)-2-(3-nitrobenzylidene)hydrazinyl]-1,3-thiazol-4(5H)-one
• 5325-12-2
• C₁₈H₁₆N₄O₃S
• 368.4096
• .

• 5,7-dichloro-2-phenyl-1H-indole
• 5326-26-1
• C₁₄H₉Cl₂N
• 262.134
• .

• 5,7-dibromo-2-phenyl-1H-indole
• 5326-35-2
• C₁₄H₉Br₂N
• 351.036
• .

• 5-hydroxy-2-(4-methoxy-2-oxo-2H-pyran-6-yl)-3-methylphenyl beta-D-glucopyranoside
• 38412-46-3
• C₁₉H₂₂O₁₀
• 410.372
• .

• 5-ethyl-2-pentylpyridine
• 5328-02-9
• C₁₂H₁₉N
• 177.286
• .

• 5-[(5-fluoro-2-methyl-4-pyrrolidin-1-ylphenyl)methylidene]-3-(4-methylbenzyl)imidazolidine-2,4-dione
• 5329-04-4
• C₂₃H₂₄FN₃O₂
• 393.454
• .

• 5-chloro-1,3-benzothiazole-2(3H)-thione - hexadecan-1-amine (1:1)
• 5332-02-5
• C₂₃H₃₉ClN₂S₂
• 443.1522
• .

• 5-furan-2-yl-2-(3-nitrophenyl)penta-2,4-dienenitrile
• 5332-57-0
• C₁₅H₁₀N₂O₃
• 266.2515
• .

• 5,6-dimethoxy-8-nitroquinoline
• 5333-02-8
• C₁₁H₁₀N₂O₄
• 234.2081
• .

• 5-nitronaphthalene-1-carbonyl chloride
• 5333-16-4
• C₁₁H₆ClNO₃
• 235.6232
• .

• 5,7-dichloro-2-methyl-8-[(5-nitro-1,3-thiazol-2-yl)oxy]quinoline
• 53341-28-9
• C₁₃H₇Cl₂N₃O₃S
• 356.184
• .

• 5-phenyl-2H-1,3,4-oxadiazine-2,6(3H)-dione
• 5335-46-6
• C₉H₆N₂O₃
• 190.1555
• .

• 5-hexyl-5-methylimidazolidine-2,4-dione
• 5336-03-8
• C₁₀H₁₈N₂O₂
• 198.2621
• .

• 5-bromo-2,2-dimethyl-2,3-dihydro-1-benzofuran
• 5337-94-0
• C₁₀H₁₁BrO
• 227.0977
• .

• 5-butyl-2-{(2E)-2-[1-(3,4-dichlorophenyl)ethylidene]hydrazino}-6-methylpyrimidin-4(1H)-one
• 5338-57-8
• C₁₇H₂₀Cl₂N₄O
• 367.2729
• .

• 5,5-dimethylhexan-3-one
• 5340-30-7
• C₈H₁₆O
• 128.212
• .

• 5-butyldecan-5-ol
• 5340-34-1
• C₁₄H₃₀O
• 214.3874
• .

• 5-(2,2-dimethylpropyl)nonan-5-ol
• 5340-38-5
• C₁₄H₃₀O
• 214.3874
• .

• 5-ethylnonan-5-ol
• 5340-51-2
• C₁₁H₂₄O
• 172.3077
• .

• 5-propylnonan-5-ol
• 5340-52-3
• C₁₂H₂₆O
• 186.3342
• .

• 5-tert-butylnonan-5-ol
• 5340-80-7
• C₁₃H₂₈O
• 200.3608
• .