• 5-chloro-2-(5-fluoro-2-methoxyphenyl)-8-methylquinoline-4-carboxylic acid
• 5148-91-4
• C₁₈H₁₃ClFNO₃
• 345.7521
• .

• 5-[3-(dimethylamino)propyl]-10,11-dihydro-5H-5,10-epoxydibenzo[a,d][7]annulen-11-ol
• 5154-95-0
• C₂₀H₂₃NO₂
• 309.4021
• .

• 5-ethyl-1-(tricyclo[3.3.1.1~3,7~]dec-1-yl)-1H-tetrazole
• 24940-56-5
• C₁₃H₂₀N₄
• 232.3247
• .

• 5,6,9,17,19-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-8-(morpholin-4-ylmethyl)-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate
• 5157-57-3
• C₄₂H₅₆N₂O₁₃
• 796.8996
• .

• 5-(aminomethylidene)-1-phenylpyrimidine-2,4,6(1H,3H,5H)-trione
• 5160-56-5
• C₁₁H₉N₃O₃
• 231.2075
• .

• 5-(4-nitrophenoxy)-2-(4-nitrophenyl)-1H-isoindole-1,3(2H)-dione
• 5160-80-5
• C₂₀H₁₁N₃O₇
• 405.3172
• .

• 5,5'-carbonylbis[2-(2-methoxyphenyl)-1H-isoindole-1,3(2H)-dione]
• 5161-31-9
• C₃₁H₂₀N₂O₇
• 532.4997
• .

• 5-furan-2-yl-N-propyl-7-(trifluoromethyl)-1,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxamide
• 5161-86-4
• C₁₅H₁₇F₃N₄O₂
• 342.3163
• .

• 5-bromo-4-thiophen-2-ylpyrimidine
• 5162-74-3
• C₈H₅BrN₂S
• 241.1077
• .

• 5-fluoro-1-[2-(furan-2-yl)-2-oxoethyl]pyrimidine-2,4(1H,3H)-dione
• 36162-13-7
• C₁₀H₇FN₂O₄
• 238.172
• .

• 5-benzyl-5-ethylpyrimidine-2,4,6(1H,3H,5H)-trione
• 36226-64-9
• C₁₃H₁₄N₂O₃
• 246.2619
• .

• 5-[(benzylamino)(phenyl)methylidene]-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione
• 5174-64-1
• C₂₀H₁₉N₃O₃
• 349.3832
• .

• 5-(cyclohexylamino)pyrimidine-2,4(1H,3H)-dione
• 5177-53-7
• C₁₀H₁₅N₃O₂
• 209.245
• .

• 5-carboxy-1,3-dimethyl-1H-imidazol-3-ium
• 51800-34-1
• C₆H₉N₂O₂
• 141.1473
• .

• 5-bromo-2-[(2-methoxybenzoyl)amino]benzoic acid
• 518009-05-7
• C₁₅H₁₂BrNO₄
• 350.1641
• .

• 5,5'-(sulfonyldimethanediyl)dipyrimidine-2,4(1H,3H)-dione
• 5185-10-4
• C₁₀H₁₀N₄O₆S
• 314.2746
• .

• 5-butyl-5-methyl-2-phenyl-1,2,4-triazolidine-3-thione
• 5185-23-9
• C₁₃H₁₉N₃S
• 249.3751
• .

• 5,5'-oxybis[2-(3,4-dimethylphenyl)-1H-isoindole-1,3(2H)-dione]
• 5186-51-6
• C₃₂H₂₄N₂O₅
• 516.5434
• .

• 5-(3-nitrobenzoyl)-2-(pyridin-2-yl)-1H-isoindole-1,3(2H)-dione
• 5186-54-9
• C₂₀H₁₁N₃O₅
• 373.3184
• .

• 5-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-N,N'-bis(3-ethynylphenyl)benzene-1,3-dicarboxamide
• 5186-63-0
• C₃₂H₁₉N₃O₄
• 509.511
• .

• 5-phenyl-N-[4-(piperidin-1-ylsulfonyl)phenyl]-1,3,4-thiadiazol-2-amine
• 5187-20-2
• C₁₉H₂₀N₄O₂S₂
• 400.5177
• .

• 5-(4-nitrophenyl)-1,3,4-oxadiazol-2-amine
• 51891-79-3
• C₈H₆N₄O₃
• 206.1582
• .

• 5,8-dioxo-5,8-dihydronaphthalen-1-yl acetate
• 5196-28-1
• C₁₂H₈O₄
• 216.1895
• .

• 5-fluorocytidine 5'-(dihydrogen phosphate)
• 51960-70-4
• C₉H₁₃FN₃O₈P
• 341.187
• .

• 5-Hexen-1-ol, 5-methyl-
• 5212-80-6
• C₇H₁₄O
• .

• 5-hydroxy-1-{[(E)-{5-[3-(trifluoromethyl)phenyl]furan-2-yl}methylidene]amino}imidazolidine-2,4-dione
• 52130-29-7
• C₁₅H₁₀F₃N₃O₄
• 353.2528
• .

• 5-methyl-2-[4-(4-methylphenyl)-6-phenylpyrimidin-2-yl]-2,4-dihydro-3H-pyrazol-3-one
• 5215-62-3
• C₂₁H₁₈N₄O
• 342.3938
• .

• 5,7-diphenyl-1,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-2-amine
• 5217-69-6
• C₁₇H₁₅N₅
• 289.3345
• .

• 5(6H)-Quinolinone, 7,8-dihydro-7,7-dimethyl-
• 5220-63-3
• C₁₁H₁₃NO
• .

• 5-[(2,5-dimethoxyphenyl)methylidene]pyrimidine-2,4,6(1H,3H,5H)-trione
• 5221-57-8
• C₁₃H₁₂N₂O₅
• 276.2448
• .

• 5-(1-chloroprop-1-en-1-yl)-3a,4-dihydroxy-2-methyl-1a,2,3a,4-tetrahydro-1H,7H-4,2-(epoxymethano)cyclopropa[c][1]benzofuran-7-one
• 5222-04-8
• C₁₄H₁₅ClO₅
• 298.7189
• .

• 5-(4-methoxyphenyl)-2-methyl-1,3-thiazol-4-ol
• 5223-04-1
• C₁₁H₁₁NO₂S
• 221.2755
• .

• 5-(3-nitrophenoxy)-2-(pyridin-4-yl)-1H-isoindole-1,3(2H)-dione
• 5224-21-5
• C₁₉H₁₁N₃O₅
• 361.3077
• .

• 5-oxo-3-(pyridin-3-yl)-2,5-dihydro-1,2,3-oxadiazol-3-ium
• 5226-94-8
• C₇H₆N₃O₂
• 164.1409
• .

• 5,5,6-trimethyl-5,6-dihydrobenzo[c]acridin-6-ol
• 5227-37-2
• C₂₀H₁₉NO
• 289.371
• .

• 5-[5-(3-nitrophenoxy)-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl]benzene-1,3-dicarboxylic acid
• 5233-13-6
• C₂₂H₁₂N₂O₉
• 448.3387
• .

• 5-Benzoxazolamine, 2-(2-furanyl)-
• 52331-73-4
• C₁₁H₈N₂O₂
• .

• 5-Benzoxazolamine, 2-(2-thienyl)-
• 52331-74-5
• C₁₁H₈N₂OS
• .

• 5-Benzoxazolamine, 2-(5-methyl-2-thienyl)-
• 52331-75-6
• C₁₂H₁₀N₂OS
• .

• 5-(4-chlorophenyl)-2-[2-(4-chlorophenyl)-2-oxoethyl]-2-hydroxyfuran-3(2H)-one
• 5238-43-7
• C₁₈H₁₂Cl₂O₄
• 363.1915
• .

• 5-fluoro-N-nitrosopyridin-2-amine
• 5242-25-1
• C₅H₄FN₃O
• 141.1032
• .

• 5-Isothiazolecarboxaldehyde, 4-chloro-
• 5242-60-4
• C₄H₂ClNOS
• .

• 5-ethoxy-3-methyl-4-[(E)-(4-nitrophenyl)diazenyl]-1H-pyrazole-1-carbothioamide
• 5242-94-4
• C₁₃H₁₄N₆O₃S
• 334.3537
• .

• 5-chloro-8-hydroxynaphthalene-1,4-dione
• 52431-59-1
• C₁₀H₅ClO₃
• 208.5979
• .

• 5-[hydroxy(methoxy)methylidene]-3-propyl-3,5-dihydro-4H-imidazol-4-one
• 5245-84-1
• C₈H₁₂N₂O₃
• 184.1925
• .

• 5-bromo-N-cyclohexylfuran-2-carboxamide
• 117845-24-6
• C₁₁H₁₄BrNO₂
• 272.1384
• .

• 5-bromo-N-(3,4-dichlorophenyl)furan-2-carboxamide
• 5245-94-3
• C₁₁H₆BrCl₂NO₂
• 334.9808
• .

• 5-bromo-N-(2-nitrophenyl)furan-2-carboxamide
• 5246-13-9
• C₁₁H₇BrN₂O₄
• 311.0883
• .

• 5,6-dihydrocyclopenta[fg]acenaphthylene-1,2-dione
• 5254-01-3
• C₁₄H₈O₂
• 208.2121
• .

• 5-methoxy-3-(4-methoxyphenyl)-8,8-dimethyl-6-(3-methylbut-2-en-1-yl)-4H,8H-pyrano[2,3-f]chromen-4-one
• 5254-72-8
• C₂₇H₂₈O₅
• 432.5082
• .