• 5-Hexenoic acid, 2-acetyl-5-methyl-, methyl ester
• 87887-29-4
• C₁₀H₁₆O₃
• .

• 5-Hexenoic acid, 2-acetyl-2-chloro-5-methyl-, methyl ester
• 87887-36-3
• C₁₀H₁₅ClO₃
• .

• 5-Hexen-1-ol, 2-amino-
• 89584-04-3
• C₆H₁₃NO
• .

• 5-amino-2-hydroxyhexanoic acid
• 89584-49-6
• C₆H₁₃NO₃
• 147.1723
• .

• 5-Oxazolecarboxylic acid, 4-methyl-, 7-bromo-5-chloro-8-quinolinylester
• 89588-69-2
• C₁₄H₈BrClN₂O₃
• .

• 5-Isoxazolecarboxylic acid, 7-bromo-5-chloro-8-quinolinyl ester
• 89588-71-6
• C₁₃H₆BrClN₂O₃
• .

• 5-Isobutylthio-1,3,4-thiadiazole-2-thiol
• 89601-20-7
• C₆H₁₀N₂S₃
• 206.352
• .

• 5-Quinolinesulfonic acid, 8-hydroxy-, dihydrate
• 89614-03-9
• C₉H₇NO₄S·2H₂O
• .

• 5-Hexadecen-9-yne, 16-bromo-, (E)-
• 89622-22-0
• C₁₆H₂₇Br
• .

• 5-Decanone, 6-(diphenylphosphinyl)-1-hydroxy-
• 89625-06-9
• C₂₂H₂₉O₃P
• .

• 5H-Pyrido[4,3-b]carbazole-5-carboxylic acid,11-(chloromethyl)-11-(2,5-dioxo-1-pyrrolidinyl)-6,11-dihydro-5,6-dimethyl-, ethyl ester, trans-
• 89651-46-7
• C₂₅H₂₄ClN₃O₄
• .

• 5-Hexenal, 6-fluoro-
• 89654-35-3
• C₆H₉FO
• .

• 5-chloro-1-methyl-3-pyridin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89659-91-6
• C₁₃H₁₀ClN₃O
• 259.691
• .

• 5-chloro-1-ethyl-3-pyridin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89659-93-8
• C₁₄H₁₂ClN₃O
• 273.7176
• .

• 5-chloro-1-(1-methylethyl)-3-pyridin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89659-94-9
• C₁₅H₁₄ClN₃O
• 287.7442
• .

• 5-chloro-1-methyl-3-(6-methylpyridin-2-yl)-1,3-dihydro-2H-benzimidazol-2-one
• 89659-96-1
• C₁₄H₁₂ClN₃O
• 273.7176
• .

• 5-chloro-1-methyl-3-pyridin-3-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89659-97-2
• C₁₃H₁₀ClN₃O
• 259.691
• .

• 5-chloro-1-methyl-3-pyrazin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89659-98-3
• C₁₂H₉ClN₄O
• 260.6791
• .

• 5-chloro-1-(1-methylethyl)-3-pyrazin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89660-00-4
• C₁₄H₁₃ClN₄O
• 288.7322
• .

• 5-chloro-1-methyl-3-quinolin-2-yl-1,3-dihydro-2H-benzimidazol-2-one
• 89660-05-9
• C₁₇H₁₂ClN₃O
• 309.7497
• .

• 5-chloro-1-methyl-3-(1,3-thiazol-2-yl)-1,3-dihydro-2H-benzimidazol-2-one
• 89660-07-1
• C₁₁H₈ClN₃OS
• 265.7187
• .

• 5-chloro-1-methyl-3-(2H-tetrazol-5-yl)-1,3-dihydro-2H-benzimidazol-2-one
• 89660-08-2
• C₉H₇ClN₆O
• 250.6445
• .

• 5H-2,3-Benzodiazepine,1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-4-methyl-, sulfate (1:1)
• 89664-96-0
• C₂₂H₂₆N₂O₄·H₂O₄S
• .

• 5H-2,3-Benzodiazepinium,1-(3,4-dimethoxyphenyl)-5-ethyl-7,8-dimethoxy-3,4-dimethyl-, iodide
• 89664-99-3
• C₂₃H₂₉N₂O₄·I
• .

• 5-{[(3-methylphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-64-5
• C₁₂H₁₃N₃OS
• 247.3161
• .

• 5-{[(4-methylphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-65-6
• C₁₂H₁₃N₃OS
• 247.3161
• .

• 5-{[(2-methoxyphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-66-7
• C₁₂H₁₃N₃O₂S
• 263.3155
• .

• 5-{[(3-methoxyphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-67-8
• C₁₂H₁₃N₃O₂S
• 263.3155
• .

• 5-{[(4-methoxyphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-68-9
• C₁₂H₁₃N₃O₂S
• 263.3155
• .

• 5-{[(4-ethoxyphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-69-0
• C₁₃H₁₅N₃O₂S
• 277.3421
• .

• 5-{[(4-chlorophenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-70-3
• C₁₁H₁₀ClN₃OS
• 267.7346
• .

• 5-[(dicyclohexylamino)methyl]-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-71-4
• C₁₇H₂₇N₃OS
• 321.4808
• .

• 5-{[(2-ethylphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-72-5
• C₁₃H₁₅N₃OS
• 261.3427
• .

• 5-(morpholin-4-ylmethyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-74-7
• C₉H₁₃N₃O₂S
• 227.2834
• .

• 5-{[4-(2-methylphenyl)piperazin-1-yl]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-75-8
• C₁₆H₂₀N₄OS
• 316.4212
• .

• 5-{[(2-chlorophenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-76-9
• C₁₁H₁₀ClN₃OS
• 267.7346
• .

• 5-{[(3-chlorophenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-77-0
• C₁₁H₁₀ClN₃OS
• 267.7346
• .

• 5-{[(2-methylphenyl)amino]methyl}-2-thioxo-2,3-dihydropyrimidin-4(1H)-one
• 89665-78-1
• C₁₂H₁₃N₃OS
• 247.3161
• .

• 5-Hexenoic acid, 6-phenyl-6-(3-pyridinyl)-, (Z)-
• 89667-37-8
• C₁₇H₁₇NO₂
• .

• 5-Hexenoic acid, 6-phenyl-6-(3-pyridinyl)-, (E)-
• 89667-38-9
• C₁₇H₁₇NO₂
• .

• 5H-Cyclohepta[b]pyridine, 6,7,8,9-tetrahydro-9-(phenylmethylene)-
• 89691-10-1
• C₁₇H₁₇N
• .

• 5,8-Methanophthalazine, 5,6,7,8-tetrahydro-
• 89701-52-0
• C₉H₁₀N₂
• .

• 5,8-Ethanophthalazine, 5,8-dihydro-
• 89701-54-2
• C₁₀H₁₀N₂
• .

• 5,8-Ethanophthalazine, 5,6,7,8-tetrahydro-
• 89701-55-3
• C₁₀H₁₂N₂
• .

• 5'-Inosinic acid, 6-S-(4-aminophenyl)-6-thio-
• 89705-20-4
• C₁₆H₁₈N₅O₇PS
• .

• 5'-Adenylic acid, N-[2-(4-aminophenyl)ethyl]-
• 89705-22-6
• C₁₈H₂₃N₆O₇P
• .

• 5-ethoxy-2-methyl-4-nitro-1,3-thiazole
• 89717-60-2
• C₆H₈N₂O₃S
• 188.2043
• .

• 5(1H)-Indolizinone, 2,3-dihydro-2,2-dimethyl-
• 89730-96-1
• C₁₀H₁₃NO
• .

• 5-Hexynoic acid, 4-amino-, methyl ester, hydrochloride
• 89740-53-4
• C₇H₁₁NO₂·ClH
• .

• 5,6-Heptadienoic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, methylester
• 89740-54-5
• C₁₃H₂₁NO₄
• .