• 5-Hexen-3-amine, 2-(1,1-dimethylethoxy)-, (2S,3S)-
• 491612-94-3
• C₁₀H₂₁NO
• .

• 5-(4-butoxy-3-methoxybenzyl)pyrimidine-2,4-diamine
• 80267-19-2
• C₁₆H₂₂N₄O₂
• 302.3715
• .

• 5,10-dihydro-11H-indolo[3,2-b]quinolin-11-one
• 80289-15-2
• C₁₅H₁₀N₂O
• 234.2527
• .

• 5-Isoxazolecarboxylic acid, 3-acetyl-, ethyl ester
• 491841-09-9
• C₈H₉NO₄
• .

• 5-Isoxazolecarboxylic acid, 3-benzoyl-, ethyl ester
• 491841-20-4
• C₁₃H₁₁NO₄
• .

• 5-bromo-2,6-dimethyl-4-oxo-N,1-diphenyl-1,4-dihydropyridine-3-carboxamide
• 80357-45-5
• C₂₀H₁₇BrN₂O₂
• 397.2652
• .

• 5-(2-morpholin-4-ylethoxy)-3-phenyl-1H-pyrazol-1-amine
• 80370-52-1
• C₁₅H₂₀N₄O₂
• 288.3449
• .

• 5-[2-(dimethylamino)ethoxy]-3-phenyl-1H-pyrazol-1-amine
• 80370-55-4
• C₁₃H₁₈N₄O
• 246.3082
• .

• 5-Hexen-3-yn-2-ol, 6-phenyl-
• 491859-71-3
• C₁₂H₁₂O
• .

• 5-Octenal,2-[2-[2,5-dihydro-3-(hydroxymethyl)-5-oxo-2-furanyl]ethylidene]-6-methyl-8-(2,6,6-trimethyl-1-cyclohexen-1-yl)-
• 80388-52-9
• C₂₅H₃₆O₄
• .

• 5-Hexynoic acid, 1-ethynylheptyl ester
• 491862-59-0
• C₁₅H₂₂O₂
• .

• 5-Hexynoic acid, 1-methyl-2-propynyl ester
• 491862-64-7
• C₁₀H₁₂O₂
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4,7-dimethoxy-,2-[(benzoylamino)thioxomethyl]hydrazide
• 491872-92-5
• C₁₉H₁₇N₃O₆S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4,7-dimethoxy-,2-[(ethylamino)thioxomethyl]hydrazide
• 491872-93-6
• C₁₄H₁₇N₃O₅S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4,7-dimethoxy-,2-[(phenylamino)thioxomethyl]hydrazide
• 491872-94-7
• C₁₈H₁₇N₃O₅S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4,7-dimethoxy-,2-[[(4-chlorophenyl)amino]thioxomethyl]hydrazide
• 491872-95-8
• C₁₈H₁₆ClN₃O₅S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4-methoxy-,2-[(ethylamino)thioxomethyl]hydrazide
• 491872-96-9
• C₁₃H₁₅N₃O₄S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4-methoxy-,2-[(benzoylamino)thioxomethyl]hydrazide
• 491872-97-0
• C₁₈H₁₅N₃O₅S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4-methoxy-,2-[(cyclohexylamino)thioxomethyl]hydrazide
• 491872-98-1
• C₁₇H₂₁N₃O₄S
• .

• 5-Benzofurancarboxylic acid, 6-hydroxy-4-methoxy-,2-[[(4-chlorophenyl)amino]thioxomethyl]hydrazide
• 491872-99-2
• C₁₇H₁₄ClN₃O₄S
• .

• 5-Isoxazolidinol, 3-(4-fluorophenyl)-5-methyl-
• 491876-09-6
• C₁₀H₁₂FNO₂
• .

• 5H-Furo[3,2-g][1]benzopyran-5-one,7-[4-(diethylamino)phenyl]-6-hydroxy-
• 492440-04-7
• C₂₁H₁₉NO₄
• .

• 5H-Furo[3,2-g][1]benzopyran-5-one,7-[6-(diethylamino)-2-benzofuranyl]-6-hydroxy-
• 492440-05-8
• C₂₃H₁₉NO₅
• .

• 5-Hepten-1-ol, 3-[(dimethylphenylsilyl)methylene]-7-(4-nitrophenoxy)-,(3Z,5E)-
• 492440-10-5
• C₂₂H₂₇NO₄Si
• .

• 5-(acetyloxy)-2,10-dihydroxy-4,10a-dimethyl-7-methylidene-8-oxododecahydrooxireno[8,9]cyclodeca[1,2-b]furan-6-yl 2-methylbutanoate
• 80453-72-1
• C₂₂H₃₂O₉
• 440.4841
• .

• 5,6-Decanediol, 5,6-diphenyl-, (5R,6R)-rel-
• 80475-18-9
• C₂₂H₃₀O₂
• .

• 5-methyl-2-(pyridin-2-yl)-1-[2-(pyridin-2-yl)ethyl]-1H-benzimidazole
• 80477-76-5
• C₂₀H₁₈N₄
• 314.3837
• .

• 5-chloro-2-(pyridin-2-yl)-1-[2-(pyridin-4-yl)ethyl]-1H-benzimidazole
• 80477-81-2
• C₁₉H₁₅ClN₄
• 334.8022
• .

• 5-nitro-2-(pyridin-2-yl)-1-[2-(pyridin-2-yl)ethyl]-1H-benzimidazole
• 80477-84-5
• C₁₉H₁₅N₅O₂
• 345.3547
• .

• 5-nitro-2-(pyridin-2-yl)-1-[2-(pyridin-4-yl)ethyl]-1H-benzimidazole
• 80477-85-6
• C₁₉H₁₅N₅O₂
• 345.3547
• .

• 5-methoxy-2-(pyridin-2-yl)-1-[2-(pyridin-2-yl)ethyl]-1H-benzimidazole
• 80477-90-3
• C₂₀H₁₈N₄O
• 330.3831
• .

• 5H-1-Benzopyran-5-one, 2,6,7,8-tetrahydro-2,3,7,7-tetramethyl-
• 492450-54-1
• C₁₃H₁₈O₂
• .

• 5-Hexen-1-ol, 6-(2-pyridinyl)-, acetate (ester), (5E)-
• 492450-83-6
• C₁₃H₁₇NO₂
• .

• 5,6,11-trimethyltricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene
• 80548-38-5
• C₁₉H₂₂
• 250.378
• .

• 5-iodo-8-methoxy[1,2,4]triazolo[1,5-a]pyridin-2-amine
• 492468-97-0
• C₇H₇IN₄O
• 290.0612
• .

• 5-methoxy-2-methyl-3-(prop-2-yn-1-yloxy)-2H-1,2,4,6-thiatriazine 1,1-dioxide
• 80555-44-8
• C₇H₉N₃O₄S
• 231.2291
• .

• 5,5-dimethyl-3-(propan-2-ylamino)cyclohex-2-en-1-one
• 80555-73-3
• C₁₁H₁₉NO
• 181.2747
• .

• 5-[(dichloroacetyl)amino]-2,4-bis{(E)-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]diazenyl}naphthalen-1-yl dichloroacetate - 11,17,21-trihydroxypregn-4-ene-3,20-dione (1:1)
• 80562-39-6
• C₅₃H₅₁Cl₄N₉O₁₂S₄
• 1276.0971
• .

• 5-amino-1-{[2-(diethylamino)ethyl]amino}-4-methyl-9H-thioxanthen-9-one
• 80568-14-5
• C₂₀H₂₅N₃OS
• 355.497
• .

• 5-Hexen-2-one, 3-[(R)-hydroxy(methylenecyclopropyl)methyl]-, (3S)-rel-
• 492999-11-8
• C₁₁H₁₆O₂
• .

• 5-Hexen-2-one,3-[hydroxy(methylenecyclopropyl)methyl]-3-(2-propenyl)-
• 492999-12-9
• C₁₄H₂₀O₂
• .

• 5-Hexen-2-one, 3-[(methylenecyclopropyl)methyl]-
• 492999-14-1
• C₁₁H₁₆O
• .

• 5-Nonenoic acid, 5-carboxy-1-propylpentyl ester
• 493004-95-8
• C₁₈H₃₂O₄
• .

• 5-Dodecyn-4-one, 12-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-
• 493009-60-2
• C₁₈H₃₄O₂Si
• .

• 5,7-Decadienal, 9-methyl-, (5E,7E)-
• 80595-44-4
• C₁₁H₁₈O
• .

• 5-(2-fluorophenyl)-7-{(Z)-[5-(2-fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-7-yl]-NNO-azoxy}-1-methyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one
• 80611-84-3
• C₃₂H₂₄F₂N₆O₃
• 578.5682
• .

• 5-(2-hydroxyethyl)-1,2,3,5,9,14-hexahydro-6H,8H-indolo[2',3':3,4]pyrido[1,2-c]benzimidazol-6-one
• 80616-22-4
• C₁₉H₂₁N₃O₂
• 323.3889
• .

• 5-fluoro-1-methyl-1H-indole-2-carbaldehyde
• 883531-48-4
• C₁₀H₈FNO
• 177.175
• .

• 5-methyl-1-[3-(6-oxo-3,6-dihydro-9H-purin-9-yl)propyl]pyrimidine-2,4(1H,3H)-dione
• 80655-37-4
• C₁₃H₁₄N₆O₃
• 302.2887
• .

• 5-methyl-1-[3-(9H-purin-9-yl)propyl]pyrimidine-2,4(1H,3H)-dione
• 80655-39-6
• C₁₃H₁₄N₆O₂
• 286.2893
• .