• 5,5,6,6-tetramethyl-5,6-dihydrodibenzo[b,f][1,4,5]thiadisilepine
• 77599-01-0
• C₁₆H₂₀SSi₂
• 300.566
• .

• 5-hydroxy-5-methyl-1-phenyl-hex-1-en-3-one
• 400752-37-6
• C₁₃H₁₆O₂
• 204.26
• .

• 5-Isoxazolecarboxamide, 3-phenyl-
• 400870-91-9
• C₁₀H₈N₂O₂
• .

• 5-Pyrimidinecarboxylic acid,4-(4-chlorophenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-, 1,1-dimethylethylester
• 400873-04-3
• C₁₆H₁₉ClN₂O₃
• .

• 5-Pyrimidinecarbonitrile, 2-(2,6-difluoro-4-propylphenyl)-
• 364634-74-2
• C₁₄H₁₁F₂N₃
• .

• 5-nitro-4-oxo-1,4-dihydroquinoline-3-carbonitrile
• 364794-11-6
• C₁₀H₅N₃O₃
• 215.165
• .

• 5-methoxy-11-methyl-6H-pyrido[4,3-b]carbazole
• 77638-65-4
• C₁₇H₁₄N₂O
• 262.3059
• .

• 5-bromo-3-chloro-1,2-benzoxazole
• 401567-43-9
• C₇H₃BrClNO
• 232.4618
• .

• 5H-Pyrrolo[3,4-d]thiazole-5-carboxylic acid, 2-amino-4,6-dihydro-,1,1-dimethylethyl ester
• 365996-62-9
• C₁₀H₁₅N₃O₂S
• .

• 5H-Pyrrolo[3,4-d]thiazole-5-carboxylic acid, 2-bromo-4,6-dihydro-,1,1-dimethylethyl ester
• 365996-63-0
• C₁₀H₁₃BrN₂O₂S
• .

• 5-amino-1H-pyrazole-1-carboxamide
• 77668-01-0
• C₄H₆N₄O
• 126.1166
• .

• 5-Heptenoic acid, 7-[3,5-dihydroxy-2-[2-[2-(phenoxymethyl)-1,3-dioxolan-2-yl]ethenyl]cyclopentyl]-, [1R-[1α(Z),2β(E),3α,5α]]-, compd. with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:1)
• 77698-96-5
• C₂₈H₄₃NO₁₀
• 278-752-6
• 553.6417
• .

• 5-nitro-3,4-diphenylfuran-2-carboxamide
• 77719-94-9
• C₁₇H₁₂N₂O₄
• 308.2882
• .

• 5,11-dimethyl-2,3,6,7-tetrahydro-8aH-diimidazo[1,2-a:1',2'-c]pyrido[1,2-e][1,3,5]triazin-5-ium
• 77737-88-3
• C₁₃H₁₈N₅
• 244.315
• .

• 5-Heptenoic acid,2-amino-6-fluoro-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-,methyl ester, (5E)-
• 404385-29-1
• C₁₂H₁₈FN₃O₄
• .

• 5-Heptenoic acid,2-amino-6-fluoro-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-,methyl ester, (2S,5E)-
• 404385-30-4
• C₁₂H₁₈FN₃O₄
• .

• 5-Heptenoic acid, 2-amino-6-fluoro-7-[(1-iminoethyl)amino]-2-methyl-,methyl ester, (2S,5E)-
• 404385-31-5
• C₁₁H₂₀FN₃O₂
• .

• 5-Heptenoic acid,2-amino-6-fluoro-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, methylester, (5E)-
• 404385-32-6
• C₁₁H₁₆FN₃O₄
• .

• 5-Heptenoic acid,2-[(Z)-[(4-chlorophenyl)methylene]amino]-6-fluoro-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, methyl ester, (5E)-
• 404385-33-7
• C₁₈H₁₉ClFN₃O₄
• .

• 5-Heptenoic acid, 2-amino-6-fluoro-7-[(1-iminoethyl)amino]-2-methyl-,methyl ester, (5E)-
• 404385-35-9
• C₁₁H₂₀FN₃O₂
• .

• 5-Heptenoic acid,2-amino-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, methylester, (5Z)-
• 404385-49-5
• C₁₂H₁₉N₃O₄
• .

• 5-Heptenoic acid,2-amino-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, (5Z)-
• 404385-50-8
• C₁₁H₁₇N₃O₄
• .

• 5-Heptenoic acid,2-amino-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, methylester, (2S,5Z)-
• 404385-51-9
• C₁₂H₁₉N₃O₄
• .

• 5-Heptenoic acid,2-amino-2-methyl-7-(3-methyl-5-oxo-1,2,4-oxadiazol-4(5H)-yl)-, methylester, (2R,5Z)-
• 404385-54-2
• C₁₂H₁₉N₃O₄
• .

• 5-Oxazolidinone,3-benzoyl-4-[(2E)-4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-2-butenyl]-2-(1,1-dimethylethyl)-4-methyl-, (2S,4R)-
• 404859-27-4
• C₂₇H₂₈N₂O₅
• .

• 5-Oxazolidinone, 3-benzoyl-2-(1,1-dimethylethyl)-4-methyl-, (2R,4R)-
• 404859-30-9
• C₁₅H₁₉NO₃
• .

• 5-Oxazolidinone,3-benzoyl-4-[(2E)-4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-2-butenyl]-2-(1,1-dimethylethyl)-4-methyl-, (2R,4S)-
• 404859-32-1
• C₂₇H₂₈N₂O₅
• .

• 5-oxo-L-prolyl-L-leucine
• 21281-94-7
• C₁₁H₁₈N₂O₄
• 242.2716
• .

• 5,12-dimethyltetraphene
• 21297-22-3
• C₂₀H₁₆
• 256.34
• .

• 5-methoxyfuran-2-carbaldehyde
• 21300-07-2
• C₆H₆O₃
• 126.11
• .

• 5-Isoxazolecarboxylic acid, 3-(2-chlorophenyl)-4,5-dihydro-, methylester
• 109888-43-9
• C₁₁H₁₀ClNO₃
• .

• 5-Isoxazolecarboxylic acid, 4,5-dihydro-3-(3-nitrophenyl)-, methyl ester
• 109888-46-2
• C₁₁H₁₀N₂O₅
• .

• 5-Isoxazolecarboxylic acid, 3-(2,4-dichlorophenyl)-4,5-dihydro-, methylester
• 109888-51-9
• C₁₁H₉Cl₂NO₃
• .

• 5-Isoxazolecarboxylic acid, 3-(2,6-dichlorophenyl)-4,5-dihydro-, methylester
• 109888-56-4
• C₁₁H₉Cl₂NO₃
• .

• 5-Isoxazolecarboxylic acid, 3-(4-chlorophenyl)-4,5-dihydro-, ethyl ester
• 109888-57-5
• C₁₂H₁₂ClNO₃
• .

• 5-bromo-3-[2-(2-nitrophenyl)hydrazino]-2H-indol-2-one
• 21303-39-9
• C₁₄H₉BrN₄O₃
• 361.1503
• .

• 5-methyl-3-[2-(2-nitrophenyl)hydrazino]-2H-indol-2-one
• 21303-42-4
• C₁₅H₁₂N₄O₃
• 296.2808
• .

• 5-nitro-3-[2-(2-nitrophenyl)hydrazino]-2H-indol-2-one
• 21303-43-5
• C₁₄H₉N₅O₅
• 327.2518
• .

• 5H-Pyridazino[4,5-b]indole-1,4-dicarboxylic acid, dimethyl ester
• 109906-82-3
• C₁₄H₁₁N₃O₄
• .

• 5-(methylsulfanyl)-1,2-dihydropyrimido[5,4-e][1,2,4]triazine
• 21308-95-2
• C₆H₇N₅S
• 181.2183
• .

• 5-(methylsulfanyl)pyrimido[5,4-e][1,2,4]triazine
• 21308-97-4
• C₆H₅N₅S
• 179.2024
• .

• 5-(benzylsulfanyl)pyrimido[5,4-e][1,2,4]triazine
• 21308-98-5
• C₁₂H₉N₅S
• 255.2984
• .

• 5-[{2-[(4-methoxybenzyl)(pyridin-2-yl)amino]ethyl}(methyl)amino]pentanenitrile
• 109912-34-7
• C₂₁H₂₈N₄O
• 352.4732
• .

• 5-nitroso-1,2-dihydropyrimido[5,4-e][1,2,4]triazine
• 21308-99-6
• C₅H₄N₆O
• 164.1249
• .

• 5-Hexenoic acid, 6-phenyl-, ethyl ester
• 109976-51-4
• C₁₄H₁₈O₂
• .

• 5-Hexenoic acid, 4-methyl-, ethyl ester
• 109976-57-0
• C₉H₁₆O₂
• .

• 5(R)-(4-Bromobenzyl)-3-(3,5-dichlorophenyl)-1,5-dimethylimidazolidine-2,4-dione
• 213211-10-0
• C₁₈H₁₅BrCl₂N₂O₂
• 442.14245
• .

• 5-(3-phenylpropyl)pyrimidine-2,4(1H,3H)-dione
• 21325-47-3
• C₁₃H₁₄N₂O₂
• 230.2625
• .

• 5-benzyl-6-(dimethoxymethyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 21326-04-5
• C₁₄H₁₆N₂O₃S
• 292.3534
• .

• 5-(2-chlorobenzyl)-6-(dimethoxymethyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 21326-06-7
• C₁₄H₁₅ClN₂O₃S
• 326.7985
• .