• 5'-Adenylic acid,2',3'-O-[1-(acetyloxy)-2,2-dimethoxy-6,6-dimethyl-4-piperidinylidene]-,compd. with N,N-diethylethanamine
• 140940-54-1
• C₂₁H₃₁N₆O₁₁P·xC₆H₁₅N
• .

• 5H-Pyrrolo[1,2-c]imidazole-3-methanol,6,7-dihydro-7-[[(4-methoxyphenyl)methyl]thio]-
• 140894-05-9
• C₁₅H₁₈N₂O₂S
• .

• 5H-Pyrrolo[1,2-c]imidazole-3-carboxaldehyde,6,7-dihydro-7-[[(4-methoxyphenyl)methyl]thio]-
• 140894-06-0
• C₁₅H₁₆N₂O₂S
• .

• 5H-Tetrazol-5-one, 1,4-dihydro-1-(4-methylphenyl)-4-phenyl-
• 139109-20-9
• C₁₄H₁₂N₄O
• .

• 5,8-Quinolinedione, 6-[[2-(2-hydroxyphenyl)ethyl]amino]-
• 173912-76-0
• C₁₇H₁₄N₂O₃
• .

• 5'-O-[(ethoxycarbonyl)(hydroxy)phosphoryl]adenosine
• 104532-07-2
• C₁₃H₁₈N₅O₈P
• 403.2845
• .

• 5'-Adenylic acid, N-(4-hydroxy-3-methylbutyl)-
• 31284-94-3
• C₁₅H₂₄N₅O₈P
• .

• 5-Isoxazolidinol, 2-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-,acetate (ester)
• 172974-90-2
• C₁₃H₂₇NO₄Si
• .

• 5-bromo-3-(4-methylphenyl)-2-thioxo-1,3-thiazolidin-4-one
• 56921-39-2
• C₁₀H₈BrNOS₂
• 302.2106
• .

• 5-Thiazolecarbonitrile, 4-amino-2,3-dihydro-2-imino-3-(2-methylphenyl)-
• 56935-54-7
• C₁₁H₁₀N₄S
• .

• 5-benzyloxy-3-bromo-1H-indole
• 569337-39-9
• C₁₅H₁₂BrNO
• 302.1659
• .

• 5-Thiazolecarbonitrile, 4-amino-2,3-dihydro-2-imino-3-phenyl-
• 56935-53-6
• C₁₀H₈N₄S
• .

• 5-amino-2-hydrazinyl-2-methylpentanoic acid hydrochloride (1:1)
• 56937-71-4
• C₆H₁₆ClN₃O₂
• 197.6631
• .

• 5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)-2-(3,4,5-trimethoxyphenyl)pentanenitrile hydrochloride (1:1)
• 56949-75-8
• C₂₈H₄₁ClN₂O₅
• 521.0885
• .

• 5H-Benzo[a]phenothiazin-5-one, 6-chloro-1,4-dihydroxy-
• 106327-99-5
• C₁₆H₈ClNO₃S
• .

• 5H-Benzo[a]phenothiazin-5-one, 6-chloro-9-ethoxy-1,4-dihydroxy-
• 106328-00-1
• C₁₈H₁₂ClNO₄S
• .

• 5H-Benzo[a]phenoselenazin-5-one, 6-chloro-1,4-dihydro-
• 106328-01-2
• C₁₆H₈ClNO₃Se
• .

• 5-Nonanone, 4-fluoro-3-methyl-
• 106325-41-1
• C₁₀H₁₉FO
• .

• 5-chloro-1-[(2-hydroxyethoxy)methyl]-6-(phenylselanyl)pyrimidine-2,4(1H,3H)-dione
• 136632-05-8
• C₁₃H₁₃ClN₂O₄Se
• 375.6663
• .

• 5-bromo-1-[(2-hydroxyethoxy)methyl]-6-(phenylselanyl)pyrimidine-2,4(1H,3H)-dione
• 136632-06-9
• C₁₃H₁₃BrN₂O₄Se
• 420.1173
• .

• 5-(N-(N-biotinyl-epsilon-aminocaproyl-*gamma-amin
• 136632-31-0
• C₃₂H₅₂N₇O₁₈P₃S
• 947.78
• .

• 5-methyl-6-(3-methylbut-2-en-1-yl)-2-(phenylsulfanyl)-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1,4]benzodiazepine
• 136722-82-2
• C₂₂H₂₅N₃S
• 363.519
• .

• 5-methyl-6-propyl-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1,4]benzodiazepine-2(1H)-thione
• 136779-94-7
• C₁₄H₁₉N₃S
• 261.3858
• .

• 5-methyl-6-(3-methylbut-2-en-1-yl)-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1,4]benzodiazepine-2(1H)-thione
• 136779-93-6
• C₁₆H₂₁N₃S
• 287.423
• .

• 5(2H)-Isoxazolone, 2-benzoyl-3-methyl-4-(phenylmethyl)-
• 136811-17-1
• C₁₈H₁₅NO₃
• .

• 5(2H)-Isoxazolone, 2-benzoyl-3-methyl-4-[(4-methylphenyl)methyl]-
• 136811-20-6
• C₁₉H₁₇NO₃
• .

• 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 7-[(2-methoxyethoxy)methyl]-
• 61947-57-7
• C₁₆H₁₅NO₄
• .

• 5H-[1]Benzopyrano[2,3-b]pyridine, 7-[1-(methylthio)ethyl]-
• 61947-58-8
• C₁₅H₁₅NOS
• .

• 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 7-[(1-methylethoxy)methyl]-
• 61947-61-3
• C₁₆H₁₅NO₃
• .

• 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 7-[(2-hydroxyethoxy)methyl]-
• 61947-62-4
• C₁₅H₁₃NO₄
• .

• 5H-[1]Benzopyrano[3,4-c]pyridin-5-one, 7,8-dimethoxy-1,2-dimethyl-
• 61948-32-1
• C₁₆H₁₅NO₄
• .

• 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 7-(methoxymethyl)-
• 61947-56-6
• C₁₄H₁₁NO₃
• .

• 5H-[1]Benzopyrano[2,3-b]pyridin-5-one, 7-[(methylsulfonyl)methyl]-
• 61947-63-5
• C₁₄H₁₁NO₄S
• .

• 5H-[1]Benzopyrano[2,3-b]pyridine, 7-[(methylthio)methyl]-
• 61947-59-9
• C₁₄H₁₃NOS
• .

• 5-Benzofuranol, 2,3-dihydro-6-methyl-
• 61948-06-9
• C₉H₁₀O₂
• .

• 5-Isoquinolinol, 4-[4-[2-(dimethylamino)ethenyl]phenyl]-1-methoxy-
• 651030-71-6
• C₂₀H₂₀N₂O₂
• .

• 5(4H)-Isoxazolone, 3-methyl-4-[(4-methylphenyl)methylene]-
• 17975-48-3
• C₁₂H₁₁NO₂
• .

• 5-ethyl-5-phenylbarbituric acid, compound with 1,2-dihydro-4-isopropyl-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one (1:1)
• 34356-65-5
• C₂₆H₃₀N₄O₄
• 251-957-8
• 462.5408
• .

• 5,5-diallyl-1,3-dicyclohexyl-hexahydropyrimidine-2,4,6-trione
• 34374-12-4
• C₂₂H₃₂N₂O₃
• 372.5011
• .

• 5-Thiazolecarbonitrile, 4-amino-2,3-dihydro-2-imino-3-(4-methylphenyl)-
• 56935-55-8
• C₁₁H₁₀N₄S
• .

• 5-hydroxy-5-[3-(trifluoromethyl)phenyl]pyrrolidin-2-one
• 56948-75-5
• C₁₁H₁₀F₃NO₂
• 245.1978
• .

• 5,6-diphenylpyrazin-2(1H)-one
• 18591-57-6
• C₁₆H₁₂N₂O
• 248.2793
• .

• 5-[(4-methylphenyl)hydrazono]cyclohepta-3,6-diene-1,2-dione
• 19281-39-1
• C₁₄H₁₂N₂O₂
• 240.2573
• .

• 5-Pyrimidinecarboxamide,N-hydroxy-2-[4-(2-pyridinylcarbonyl)-1-piperazinyl]-
• 603992-28-5
• C₁₅H₁₆N₆O₃
• .

• 5-nitrophthalazine-1,4-dione
• 54535-42-1
• C₈H₃N₃O₄
• 205.1271
• .

• 5H-Tetrazole-5-thione, 1-(2-aminoethyl)-1,2-dihydro-
• 54567-22-5
• C₃H₇N₅S
• .

• 5H-Thiazolo[3,2-a]pyrimidin-3(2H)-one,5-phenyl-7-(2-phenylethenyl)-2-(phenylmethylene)-
• 139677-83-1
• C₂₇H₂₀N₂OS
• .

• 5H-Thiazolo[3,2-a]pyrimidine-2,3-dione,5-(4-chlorophenyl)-7-[2-(4-chlorophenyl)ethenyl]-,2-[(2-bromophenyl)hydrazone]
• 139677-89-7
• C₂₆H₁₇BrCl₂N₄OS
• .

• 5H-Thiazolo[3,2-a]pyrimidin-3(2H)-one,2-methyl-5-phenyl-7-(2-phenylethenyl)-
• 139677-92-2
• C₂₁H₁₈N₂OS
• .

• 5H-Thiazolo[3,2-a]pyrimidin-3(2H)-one,5-(2-chlorophenyl)-7-[2-(2-chlorophenyl)ethenyl]-2-methyl-
• 139677-95-5
• C₂₁H₁₆Cl₂N₂OS
• .