• 5,9-Undecadien-3-one, 2,2,6,10-tetramethyl-, (E)-
• 61692-42-0
• C₁₅H₂₆O
• .

• 5-[2-(diphenylmethoxy)ethyl]-1,5-oxazocane
• 62022-21-3
• C₂₁H₂₇NO₂
• 325.4446
• .

• 5(6H)-Quinoxalinone, 7,8-dihydro-
• 35149-12-3
• C₈H₈N₂O
• .

• 5-tert-butylcyclohex-1-ene-1-carboxylic acid
• 35151-75-8
• C₁₁H₁₈O₂
• 182.2594
• .

• 5(4H)-Oxazolone, 4-[[2-(acetyloxy)phenyl]methylene]-2-phenyl-, (Z)-
• 35175-74-7
• C₁₈H₁₃NO₄
• .

• 5-[4-(N-Carbamoyl-N-hydroxyamino)-1-butynyl]-2-[2-[4-[1(R)-(4-chlorophenyl)-1-phenylmethyl]piperazin-1-yl]ethoxy]benzamide
• 299460-62-1
• C₃₁H₃₄ClN₅O₄
• 576.10073
• .

• 5-hydroxy-3,4-(hydroxymethyl)-6-methylpyridinium 2-(p-chlorophenoxy)-2-methylpropionate
• 29952-87-2
• C₁₀H₁₁ClO₃·C₈H₁₁NO₃
• 249-971-4
• 383.826
• .

• 5-[hydrazino(phenyl)methylidene]-3-phenyl-1,2,4-triazin-6(5H)-one
• 64445-45-0
• C₁₆H₁₃N₅O
• 291.3073
• .

• 5-Hexen-1-ol, 4-methylene-, 4-methylbenzenesulfonate
• 59550-43-5
• C₁₄H₁₈O₃S
• .

• 5H-benzo[4,5]cyclohepta[1,2-b]pyridin-5-amine (2E)-but-2-enedioate
• 63917-50-0
• C₁₈H₁₆N₂O₄
• 324.3306
• .

• 5-Undecen-6-ol, acetate
• 139225-17-5
• C₁₃H₂₄O₂
• .

• 5-Undecen-6-ol, 7-(trifluoromethyl)-, acetate, (Z)-
• 139225-19-7
• C₁₄H₂₃F₃O₂
• .

• 5-Undecen-6-ol, 7-(trifluoromethyl)-, acetate, (E)-
• 139225-18-6
• C₁₄H₂₃F₃O₂
• .

• 5-Pyrimidinecarboxylic acid, 4-formyl-2-methyl-, ethyl ester
• 62359-65-3
• C₉H₁₀N₂O₃
• .

• 5H-Furo[3,2-g][1]benzopyran-3(2H)-one, 6,7-dihydro-
• 62662-72-0
• C₁₁H₁₀O₃
• .

• 5,6-Isobenzofurandiol, 1-(aminomethyl)-1,3-dihydro-
• 104834-95-9
• C₉H₁₁NO₃
• .

• 5-Pyrimidinol, hexahydro-2-(nitromethylene)-1-(4-pyridinylmethyl)-
• 105828-23-7
• C₁₁H₁₄N₄O₃
• .

• 5-(2-chlorobenzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
• 57270-78-7
• C₁₁H₇ClN₂O₃
• 250.6379
• .

• 5-[(4-hydroxyphenyl)methylidene]-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione
• 57270-80-1
• C₁₃H₁₂N₂O₄
• 260.2454
• .

• 5-(2-bromobenzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
• 57270-77-6
• C₁₁H₇BrN₂O₃
• 295.0889
• .

• 5-(4-methoxybenzylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione
• 57270-82-3
• C₁₄H₁₄N₂O₄
• 274.272
• .

• 5-benzyl-1-methylpyrimidine-2,4(1H,3H)-dione
• 57278-23-6
• C₁₂H₁₂N₂O₂
• 216.2359
• .

• 5-(propylsulfanyl)-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
• 137731-26-1
• C₁₃H₁₄N₄S
• 258.3421
• .

• 5-piperidin-1-yl-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
• 137731-11-4
• C₁₅H₁₇N₅
• 267.329
• .

• 5-(4-phenylpiperidin-1-yl)-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
• 137731-12-5
• C₂₁H₂₁N₅
• 343.4249
• .

• 5-{4-[(6-hydroxy-2-methyl-3,4-dihydro-2H-chromen-2-yl)methoxy]benzyl}-1,3-thiazolidine-2,4-dione
• 137786-86-8
• C₂₁H₂₁NO₅S
• 399.4601
• .

• 5-morpholin-4-yl-4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine
• 137731-13-6
• C₁₄H₁₅N₅O
• 269.3018
• .

• 5-Pyrimidinedecanoic acid, 2,6-diamino-1,4-dihydro-4-oxo-, methylester
• 137793-38-5
• C₁₅H₂₆N₄O₃
• .

• 5-Pyrimidinedecanoic acid, 2,6-diamino-1,4-dihydro-4-oxo-
• 137793-39-6
• C₁₄H₂₄N₄O₃
• .

• 5-Pyrimidinecarboxamide,6-amino-1,2,3,4-tetrahydro-1,3-dimethyl-N-(2-methylphenyl)-2,4-dioxo-
• 64467-18-1
• C₁₄H₁₆N₄O₃
• .

• 5-Pyrimidinecarboxamide,6-amino-N-(2-chlorophenyl)-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-
• 64467-19-2
• C₁₃H₁₃ClN₄O₃
• .

• 5-[(1R)-1,5-dimethylhex-4-en-1-yl]-4-hydroxy-2-methyl-3,6-dioxocyclohexa-1,4-dien-1-yl (2Z)-2-methylbut-2-enoate
• 55035-69-3
• C₂₀H₂₆O₅
• 346.4174
• .

• 5,19,21,23,24-pentahydroxy-4,8,12,16,18,22,24,26-octamethyl-11,27,29-trioxo-11,16,17,18,19,20,21,22,23,24-decahydro-10H-17,20-(epoxymethano)-6,9-methano[1,3]dioxino[4,5,6-uv][4]benzazacyclotricosin-7-yl acetate
• 55029-67-9
• C₃₉H₄₇NO₁₃
• 737.7894
• .

• 5-Pyrimidinecarboxamide,N-hydroxy-2-[4-(1-naphthalenylcarbonyl)-1-piperazinyl]-
• 603992-25-2
• C₂₀H₁₉N₅O₃
• .

• 5-Hexene-2,4-dione, 6-(4-hydroxy-3-methoxyphenyl)-, (5E)-
• 189181-53-1
• C₁₃H₁₄O₄
• .

• 5-Oxazolidinone, 4-methyl-3-(9-phenyl-9H-fluoren-9-yl)-, (4S)-
• 178237-95-1
• C₂₃H₁₉NO₂
• .

• 5H-Benzo[b]phosphindole, 5-methyl-
• 16546-79-5
• C₁₃H₁₁P
• .

• 5H-Indeno[1,2-b]pyridine, compd. with 2,4,6-trinitrophenol (1:1)
• 62578-48-7
• C₁₂H₉N·C₆H₃N₃O₇
• .

• 5H-Indeno[1,2-b]pyridine, 2-methyl-4-phenyl-
• 62578-43-2
• C₁₉H₁₅N
• .

• 5-butoxy-1-(phenylcarbonyl)pyrrolidin-2-one
• 136410-07-6
• C₁₅H₁₉NO₃
• 261.3163
• .

• 5-butoxy-1-[(4-nitrophenyl)carbonyl]pyrrolidin-2-one
• 136410-10-1
• C₁₅H₁₈N₂O₅
• 306.3138
• .

• 5(6H)-Quinolinone, 7,8-dihydro-6-phenyl-
• 56826-75-6
• C₁₅H₁₃NO
• .

• 5-[(3aS,4S,6aR)-1-nitroso-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid
• 56859-26-8
• C₁₀H₁₅N₃O₄S
• 273.3088
• .

• 5-fluoro-2-hydroxybenzamide
• 56874-97-6
• C₇H₆FNO₂
• 155.1264
• .

• 5-Pyrimidinecarboxylic acid,4-(3,4-dimethoxyphenyl)-1,2,3,4-tetrahydro-6-methyl-2-oxo-, ethyl ester
• 56875-96-8
• C₁₆H₂₀N₂O₅
• .

• 5-Pyrimidinecarboxylic acid,4-(1,2-dihydro-5-acenaphthylenyl)-1,2,3,4-tetrahydro-6-methyl-2-thioxo-,ethyl ester
• 313660-77-4
• C₂₀H₂₀N₂O₂S
• .

• 5,8-Quinoxalinediol, 2,3-diphenyl-
• 19506-23-1
• C₂₀H₁₄N₂O₂
• .

• 5-Pyrimidinecarboxylic acid,1-ethyl-1,2,3,6-tetrahydro-2,4-dimethyl-6-[3-(trifluoromethyl)phenyl]-,pentyl ester
• 105706-44-3
• C₂₁H₂₉F₃N₂O₂
• .

• 5-Pyrimidinecarboxamide,2-[4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-N,N-diethyl-4-(methylthio)-
• 104965-15-3
• C₂₄H₃₂N₈O₃S
• .

• 5-[(8Z)-tridec-8-en-1-yl]benzene-1,3-diol
• 62897-10-3
• C₁₉H₃₀O₂
• 290.4403
• .