• 5,5'-sulfanediylbis([1,2,4]triazolo[4,3-a]pyridine)
• 66999-72-2
• C₁₂H₈N₆S
• 268.2971
• .

• 5-chloro[1,2,4]triazolo[4,3-a]pyridine-3-carbonitrile
• 66999-73-3
• C₇H₃ClN₄
• 178.5785
• .

• 5-hydroxy-N,N,N-trimethylbiphenyl-3-aminium bromide
• 67011-24-9
• C₁₅H₁₈BrNO
• 308.2135
• .

• 5-oxo-2,3,4,5-tetrahydroazepino[2,1-a]isoquinoline-12b(1H)-carbonitrile
• 37045-07-1
• C₁₅H₁₄N₂O
• 238.2845
• .

• 5,6-dimethoxy-2,2-dimethyl-2H-chromene
• 67015-34-3
• C₁₃H₁₆O₃
• 220.2643
• .

• 5-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-methyl-tetrahydrofuran-2-yl]imidazole-4-carboxamide
• 37074-72-9
• C₉H₁₄N₄O₄
• 242.2319
• .

• 5-Isoxazolamine, N-[(4-methylphenyl)methylene]-3-phenyl-
• 37079-65-5
• C₁₇H₁₄N₂O
• .

• 5,10,15,20-tetrakis(2-chlorophenyl)porphyrin
• 37083-35-5
• C₄₄H₂₆Cl₄N₄
• 752.516
• .

• 5-bromo-5-hydroxy-3-phenylfuran-2(5H)-one
• 67030-91-5
• C₁₀H₇BrO₃
• 255.0648
• .

• 5-bromo-3-(4-fluorophenyl)furan-2(5H)-one
• 67030-98-2
• C₁₀H₆BrFO₂
• 257.0558
• .

• 5'-Adenylic acid, mono(2-chloroethyl) ester
• 37098-30-9
• C₁₂H₁₇ClN₅O₇P
• .

• 5-Pyrimidinemethanol, 2,4-dichloro-a-(3,4,5-trimethoxyphenyl)-
• 148256-84-2
• C₁₄H₁₄Cl₂N₂O₄
• .

• 5-Isothiazolecarboxylic acid, 4-phenyl-3-[3-(trifluoromethyl)phenyl]-, ethylester
• 67048-74-2
• C₁₉H₁₄F₃NO₂S
• .

• 5-Isothiazolecarboxylic acid, 3-(4-cyanophenyl)-, ethyl ester
• 67048-94-6
• C₁₃H₁₀N₂O₂S
• .

• 5-[(2E)-but-2-en-1-yl]-5-propylpyrimidine-2,4,6(1H,3H,5H)-trione
• 67050-14-0
• C₁₁H₁₆N₂O₃
• 224.2563
• .

• 5-(1-butoxyethyl)-5-ethylpyrimidine-2,4,6(1H,3H,5H)-trione
• 67050-17-3
• C₁₂H₂₀N₂O₄
• 256.2982
• .

• 5-butyl-5-(2-methylprop-2-en-1-yl)pyrimidine-2,4,6(1H,3H,5H)-trione
• 67050-39-9
• C₁₂H₁₈N₂O₃
• 238.2829
• .

• 5-methyl-5-(1-methylpropyl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
• 67050-51-5
• C₉H₁₄N₂O₂S
• 214.2847
• .

• 5-[(1E)-3-methylbut-1-en-1-yl]-5-(1-methylethyl)pyrimidine-2,4,6(1H,3H,5H)-trione
• 64038-30-8
• C₁₂H₁₈N₂O₃
• 238.2829
• .

• 5-Oxazolidinecarboxylic acid, 4-(hydroxymethyl)-2-oxo-, 1-methylethylester, (4S,5R)-
• 371257-84-0
• C₈H₁₃NO₅
• .

• 5-Oxazolidinecarboxylic acid, 2-oxo-4-[(phenylmethoxy)methyl]-,1-methylethyl ester, (4S,5R)-
• 371257-86-2
• C₁₅H₁₉NO₅
• .

• 5-Oxazolidinone, 3-(isocyanatomethyl)-2,2-bis(trifluoromethyl)-
• 148431-32-7
• C₇H₄F₆N₂O₃
• .

• 5a,5b,8,8,11a,13b-hexamethyl-3-(pentan-2-yl)icosahydro-1H-cyclopenta[a]chrysene (non-preferred name)
• 67069-15-2
• C₃₂H₅₆
• 440.787
• .

• 5-Pyrimidinecarboxylic acid,1,2,3,4-tetrahydro-4-(1H-indol-3-yl)-6-methyl-2-oxo-, ethyl ester
• 670749-27-6
• C₁₆H₁₇N₃O₃
• .

• 5-Nonacosanol, 19-methyl-, acetate
• 148462-13-9
• C₃₂H₆₄O₂
• .

• 5-Pyrimidinecarboxylic acid,1-ethyl-1,2,3,4-tetrahydro-6-methyl-2-oxo-4-phenyl-, ethyl ester
• 67092-67-5
• C₁₆H₂₀N₂O₃
• .

• 5-Pyrimidinecarboxylic acid,1,2,3,4-tetrahydro-1,3,6-trimethyl-2-oxo-4-phenyl-, ethyl ester
• 67092-74-4
• C₁₆H₂₀N₂O₃
• .

• 5-chloro-1-(1-methylethyl)-2-(4-methylpiperazin-1-yl)-1H-benzimidazol-6-amine di[(2E)-but-2-enedioate]
• 148565-09-7
• C₂₃H₃₀ClN₅O₈
• 539.966
• .

• 5,5'-{[(4Z)-3-amino-4-imino-2,6-dimethyl-1,3,5-triazabicyclo[3.1.0]hexane-2,6-diyl]dimethanediyl}bis[1-methyl-5-(prop-2-en-1-yl)pyrimidine-2,4,6(1H,3H,5H)-trione]
• 37175-95-4
• C₂₃H₃₁N₉O₆
• 529.5489
• .

• 5,6,7,8-tetrahydronaphthalen-1-ylboronic acid
• 371765-41-2
• C₁₀H₁₃BO₂
• 176.02
• .

• 5(4H)-Oxazolone,4-[[3-(4-bromophenyl)-1-phenyl-1H-pyrazol-4-yl]methylene]-2-phenyl-
• 371917-54-3
• C₂₅H₁₆BrN₃O₂
• .

• 5,12-Naphthacenedione, 8-acetyl-7,8,9,10-tetrahydro-6,11-dihydroxy-
• 67122-26-3
• C₂₀H₁₆O₅
• .

• 5-fluoro-2-hydroxy-N-1H-tetrazol-5-ylbenzamide
• 67127-05-3
• C₈H₆FN₅O₂
• 223.1639
• .

• 5-methyl-1H-pyrrolo[3,2-c]pyridine-4,6(5H,7H)-dione
• 67139-78-0
• C₈H₈N₂O₂
• 164.1613
• .

• 5H-[1,2,4]Triazolo[5,1-a]isoindolium, 1-methyl-2-phenyl-, perchlorate
• 67172-57-0
• C₁₆H₁₄N₃·ClO₄
• .

• 5H-[1,2,4]Triazolo[5,1-a]isoindolium,5-[[4-(dimethylamino)phenyl]methylene]-1-methyl-2-phenyl-, perchlorate
• 67172-59-2
• C₂₅H₂₃N₄·ClO₄
• .

• 5-methyl-2-phenyl-1,3-thiazolidine
• 67189-38-2
• C₁₀H₁₃NS
• 179.2819
• .

• 5-nitro-1-pentopyranosyl-1H-indole
• 67189-83-7
• C₁₃H₁₄N₂O₆
• 294.2601
• .

• 5,10,11,12-tetrahydrodibenzo[a,d][8]annulene-5-carboxamide
• 67195-32-8
• C₁₇H₁₇NO
• 251.323
• .

• 5(4H)-Oxazolone, 2-(3-chlorophenyl)-4-[(dimethylamino)methylene]-
• 373618-95-2
• C₁₂H₁₁ClN₂O₂
• .

• 5-[(ethoxycarbonyl)oxy]-N,N-dimethyl-4,4-diphenylheptan-2-aminium chloride
• 67196-18-3
• C₂₄H₃₄ClNO₃
• 419.9847
• .

• 5-(4-oxocyclohex-2-en-1-yl)-5-prop-2-en-1-ylpyrimidine-2,4,6(1H,3H,5H)-trione
• 67197-16-4
• C₁₃H₁₄N₂O₄
• 262.2613
• .

• 5-methyl-10,11-dihydro-5H-dibenzo[b,f]silepine
• 67208-68-8
• C₁₅H₁₆Si
• 224.373
• .

• 5-Isothiazolamine, 3-(methylthio)-
• 67209-07-8
• C₄H₆N₂S₂
• .

• 5-[2-(dimethylamino)ethyl]-11-(2-nitropropan-2-yl)-5,11-dihydro-6H-dibenzo[b,e]azepin-6-one
• 37387-69-2
• C₂₁H₂₅N₃O₃
• 367.4415
• .

• 5,6-diphenyl-3-(piperidin-1-yl)-1,2,4-triazine
• 37398-95-1
• C₂₀H₂₀N₄
• 316.3996
• .

• 5-hydroxy-N,N-dimethyl-4,4-diphenylheptan-1-aminium chloride
• 67227-09-2
• C₂₁H₃₀ClNO
• 347.922
• .

• 5-ethyl-5-phenylbarbituric acid, compound with ()-1-(isopropylamino)-3-(1-naphthyloxy)propan-2-ol (1:1)
• 37419-67-3
• C₁₆H₂₃NO₂·C₁₂H₁₂N₂O₃
• 253-501-3
• 510.550224
• .

• 5-benzyl-2,4,6-trioxohexahydropyrimidin-5-yl propanoate
• 37431-46-2
• C₁₄H₁₄N₂O₅
• 290.2714
• .

• 5-(4-methoxybenzyl)-2,4,6-trioxohexahydropyrimidin-5-yl propanoate
• 37431-56-4
• C₁₅H₁₆N₂O₆
• 320.2973
• .