• 5a,17a-Pregn-2-en-20-yn-17-ol, 1b-methyl- (7CI,8CI)
• 5846-82-2
• C22H32 O
• 335.1958
• .

• 5a-Androstan-19-oic acid, 3b,6b,17b-trihydroxy-, d-lactone, 17-acetate (8CI)
• 6073-33-2
• C21H30 O5
• 352.1402
• .

• 5b-Pregnan-11-one,20-(dimethylamino)-3a-hydroxy-20-methyl-, acetate (ester) (8CI)
• 5534-62-3
• C26H43 N O3
• 324.3306
• .

• 5-(3-methoxypropylimino)-8-[2-(2-methyl-4-nitro-phenyl)hydrazinyl]naphthalen-1-one
• 74839-42-2
• C₂₁H₂₂N₄O₄
• 278-004-9
• 394.42378
• .

• 5-(Morpholinomethyl)-3-((5-nitrofurfurylidene)amino)oxazolidin-2-one (R-(R*,R*))-tartrate
• 71662-11-8
• C17H22N4O12
• 275-776-9
• 474.37618
• .

• 5,12-Naphthacenedione,10-[(3-amino-2,3,6-trideoxy-a-L-lyxo-hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-[(1S)-1-hydroxyethyl]-1-methoxy-,hydrochloride (1:1), (8S,10S)-
• 28008-53-9
• C27H31 N O10 . Cl H
• 529.5357
• .

• 5-[(4-methoxyphenyl)methylidene]thiazolidine-2,4-dione
• 6320-51-0
• C₁₁H₉NO₃S
• 0
• .

• 5-phenyl-1H-pyrazol-3-amine
• 827-41-8
• C₉H₉N₃
• 159.19
• .

• 5-Chloro-2-((4-chlorophenyl)thio)-N,N-dimethyl-4-nitroaniline
• 94094-39-0
• C₁₄H₁₂Cl₂N₂O₂S
• 302-140-0
• 343.22828
• .

• 5H-1-Benzazepin-5-one,4,7,9-tribromo-2-chloro-
• 38314-36-2
• C10H3 Br3 Cl N O
• 428.3019
• .

• 5alpha-Benzyl-12-hydroxy-2-methylergotaman-3,6,18-trione maleate
• 61498-90-6
• C₃₇H₃₉N₅O₉
• 262-822-8
• 697.73366
• .

• 5,5-Dimethyl-3-(2-(vinyloxy)ethyl)imidazolidine-2,4-dione
• 69850-87-9
• C₉H₁₄N₂O₃
• 274-156-5
• 198.21906
• .

• 5-Fluorobenzene-1,3-dicarboxylic acid
• 1583-66-0
• C₈H₅FO₄
• 184.12
• .

• 5-(3-bromophenyl)-1,3,4-oxadiazol-2-amine
• 109060-66-4
• C₈H₆BrN₃O
• 0
• .

• 5-24-05-00282 (Beilstein Handbook Reference)
• 55383-89-6
• C₁₄H₁₈N₂O₂S
• 0
• .

• 5-chloro-9-thia-2,4,7-triazabicyclo[4.3.0]nona-2,4,7,10-tetraene
• 13316-12-6
• C₅H₂ClN₃S
• 0
• .

• 5'-ADENYLIC ACID MONOANHYDRIDE WITH (DIFLUOROPHOSPHONOMETHYL) PHOSPHONIC ACID
• 81336-78-9
• C₁₁H₁₆F₂N₅O₁₀P₃
• 509.19
• .

• 5,12-Naphthacenedione,8-acetyl-10-[(3-amino-2,3,6-trideoxy-a-L-lyxo-hexopyranosyl)oxy]-9,10-dihydro-1,6,11-trihydroxy-,(10S)-
• 150045-20-8
• C26H25 N O9
• .

• 5-Octylpyrimidine-2,4,6-triamine
• 94087-73-7
• C₁₂H₂₃N₅
• 301-966-9
• 237.34452
• .

• 5,8-Methano-1,7-dioxacyclopent[cd]azulen-2-aminium,decahydro-N-(2-hydroxyethyl)-N,N,8b-trimethyl-9-(1-methylethyl)-6-oxo-,(2S,2aS,4aS,5R,8R,8aS,8bR,9S)- (9CI)
• 50834-48-5
• C19H32 N O4
• 0
• .

• 5-chloro-9-methyl-2,4,9-triazabicyclo[4.3.0]nona-2,4,7,10-tetraene
• 7781-10-4
• C₇H₆ClN₃
• 167.59564
• .

• 5-Thiazolecarboxylicacid, 2,3-dihydro-2-imino-3,4-dimethyl-, ethyl ester
• 57591-82-9
• C8H12 N2 O2 S
• 0
• .

• 5,7-Dimethyloctan-1-ol
• 85391-44-2
• C₁₀H₂₂O
• 286-798-3
• 158.28108
• .

• 5-Methylisoquinoline
• 62882-01-3
• C₁₀H₉N
• 263-748-9
• 143.18
• .

• 5-Hydroxy-2-methyl-1,3-dioxane-4-carbaldehyde
• 24871-55-4
• C₆H₁₀O₄
• 246-510-9
• 146.1412
• .

• 5-(4-chlorophenyl)-2-phenyl-pyrazol-3-amine
• 19652-14-3
• C₁₅H₁₂ClN₃
• 269.73
• .

• 5-methoxy-2-sulfanylidene-1H-pyrimidin-4-one
• 6939-11-3
• C₅H₆N₂O₂S
• 158.18
• .

• 5-Thiazoleacetic acid,4-(4-chlorophenyl)-2-[2-(4-chlorophenyl)ethenyl]-
• 116758-91-9
• C19H13 Cl2 N O2 S
• 390.283
• .

• 5-dimethylamino-N-[(3S)-1-hydroxy-2,2,5,5-tetramethyl-pyrrolidin-3-yl]naphthalene-1-sulfonamide
• 76841-99-1
• C₂₀H₂₉N₃O₃S
• 390.52
• .

• 5H-Pyrrolo[2,1-c][1,4]benzodiazepin-5-one,7,7'-[(methylimino)bis(2,1-ethanediyloxy)]bis[1,2,3,11a-tetrahydro-,(11aS,11'aS)- (9CI)
• 123064-64-2
• C29H33 N5 O4
• 515.6034
• .

• 5,12-Naphthacenedione,8-acetyl-10-[[5-(hexahydro-4,6-dioxo-2-thioxo-5-pyrimidinyl)octahydro-2-(2-hydroxypropyl)-4,10-dimethylpyrano[3,4-d]-1,3,6-dioxazocin-8-yl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-(9CI)
• 113170-20-0
• C38H43 N3 O14 S
• .

• 5-methyl-1,7-diazabicyclo[4.3.0]nona-2,4,6,8-tetraene-8-carboxylate
• 88751-05-7
• C₉H₇N₂O₂-
• 176.17
• .

• 5-Chloro-2-(3-(5-chloro-1-ethyl-1,3-dihydro-3-methyl-2H-benzimidazol-2-ylidene)-1-propenyl)-1-ethyl-3-methyl-1H-benzimidazolium chloride
• 93857-68-2
• C23H25Cl3N4
• 299-204-2
• 463.8304
• .

• 5,11-Epoxynaphthacene-3-carboxamide, 5a-chloro-1-(dimethylamino)-1,4,4a,5,5a,6,11,11a,12,12a-decahydro-2,4a,5,7,12-pentahydroxy-11-methyl-4,6-dioxo-, monohydrochloride, (1S-(1alpha,4alpha,5beta,5aalpha,11beta,11aalpha,12alpha,12aalpha))-
• 38200-11-2
• C22H24Cl2N2O9
• 253-821-3
• 531.33996
• .

• 5,7,12-Trioxa-6-stannahexacosa-2,9-dienoicacid, 6-butyl-6-[[1,4-dioxo-4-(tetradecyloxy)-2-butenyl]oxy]-4,8,11-trioxo-,tetradecyl ester, (Z,Z,Z)- (9CI)
• 84029-75-4
• C58H102 O12 Sn
• 281-745-0
• 1110.13328
• .

• 5,5-bis(4-methoxyphenyl)imidazolidine-2,4-dione
• 2402-44-0
• C₁₇H₁₆N₂O₄
• 0
• .

• 5-chloro-3-methylsulfanyl-2,4,8,9-tetrazabicyclo[4.3.0]nona-2,4,7,10-tetraene
• 85426-79-5
• C₆H₅ClN₄S
• 0
• .

• 5-((2,3-Dihydro-1,3-dioxo-1H-benz(de)isoquinolin-6-yl)azo)-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile
• 60435-69-0
• C₁₉H₁₁N₅O₄
• 262-233-6
• 373.32174
• .

• 5-Pyrimidinecarboxylicacid, 2-amino-1,4-dihydro-6-(3-hydroxypropyl)-4-undecyl-,4-[(aminoiminomethyl)amino]butyl ester (9CI)
• 142605-07-0
• C24H46 N6 O3
• .

• 5-Hydroxy-4-(((6-hydroxy-2-naphthyl)sulphonyl)amino)naphthalene-1,7-disulphonic acid
• 6535-71-3
• C₂₀H₁₅NO₁₀S₃
• 229-446-6
• 525.5288
• .

• 5-Undecyne
• 2294-72-6
• C₁₁H₂₀
• 152.28
• .

• 5-Pyrimidinamine,4,6-dichloro-N-methyl-N-nitroso-
• 7355-46-6
• C5H4 Cl2 N4 O
• 207.0175
• .

• 5H-Dibenzo[a,d]cycloheptene-5-carboxylicacid, 10,11-dihydro-5-hydroxy-, 2-(diethylamino)ethyl ester, hydrochloride(1:1)
• 67196-56-9
• C22H27 N O3 . Cl H
• 389.9156
• .

• 5H-Imidazo[4,5-c]pyridine-5-acetamide,2-butyl-N,N-diethyl-3,4-dihydro-4-oxo-3-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-
• 156222-09-2
• C30H34 N8 O2
• 0
• .

• 5-Benzofuranpropanol,2,3-dihydro-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-, (2S,3R)-
• 83728-85-2
• C19H22 O5
• .

• 5(2H)-Azocinone,hexahydro-1-methyl-
• 71512-38-4
• C8H15 N O
• 141.2108
• .

• 5-Azulenecarboxaldehyde,1,2,3,6,7,8-hexahydro-6-(hydroxymethyl)-2,2,8-trimethyl-, (6R,8R)-
• 145545-24-0
• C15H22 O2
• .

• 5-Methyl-3-(2-thienyl)isoxazole-4-carboxylic acid
• 83817-53-2
• C9H7NO3S
• 280-953-9
• 209.22178
• .

• 5-Thiazolebutanoicacid, 2-[(2R)-2-[[(2S)-2-hydroxy-3-phenoxypropyl]amino]propyl]-, rel-
• 182967-43-7
• C19H26 N2 O4 S
• .

• 5H-Indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7(6H)-dione,6-amino-12-b-D-glucopyranosyl-12,13-dihydro-1,11-dihydroxy-
• 151069-08-8
• C26H22 N4 O9
• .