• 3-Dodecyne
• 6790-27-8
• C12H22
• 166.3
• .

• 3-Methylpyrrole
• 616-43-3
• C₅H₇N
• 210-482-6
• 81.1158
• .

• 3-Pentanol,1-(2-hydroxyethoxy)-2,2,4-trimethyl-
• 68959-25-1
• C10H22 O3
• 273-409-7
• 174.28048
• .

• 3,5,9-Trioxa-4-phosphahentriacontan-1-aminium,4-hydroxy-N,N,N-trimethyl-10-oxo-7-[(1-oxodocosyl)oxy]-, inner salt, 4-oxide
• 64792-89-8
• C52H104 N O8 P
• 902.3578
• .

• 3,5,8-Trioxa-4-phosphaundec-10-en-1-aminium,4-hydroxy-N,N,N,10-tetramethyl-9-oxo-, inner salt, 4-oxide
• 67881-98-5
• C11H22 N O6 P
• 295.27
• .

• 3,7-Diazabicyclo[3.3.1]nonane,3,7-dimethyl-2-(1-methylethyl)-, hydrochloride (1:2)
• 64304-19-4
• C12H24 N2 . 2 Cl H
• 269.2542
• .

• 3'-Guanylic acid,2'-deoxy-
• 6220-62-8
• C10H14 N5 O7 P
• 228-296-9
• 347.221221
• .

• 3H-1,2-Dithiol-3-one,4-methyl-5-(2-pyrazinyl)-
• 64224-71-1
• C8H6 N2 O S2
• 210.276
• .

• 3-Pyridinecarbonitrile,1,2-dihydro-6-hydroxy-4-methyl-2-oxo-5-[2-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)phenyl]diazenyl]-
• 60024-34-2
• C21H14 N6 O3
• 262-026-0
• 398.37426
• .

• 3,7-Dimethyl-2,6-nonadienenitrile
• 61792-11-8
• C₁₁H₁₇N
• 263-214-5
• 163.29
• .

• 3,7,11-Tridecatrienenitrile,4,8,12-trimethyl-
• 6006-01-5
• C16H25 N
• 0
• .

• 3,5,8-Trioxa-4-phosphahexacosa-17,20-dien-1-aminium,4-hydroxy-N,N,N-trimethyl-9-oxo-7-[[(1-oxohexadecyl)oxy]methyl]-, inner salt,4-oxide, (17Z,20Z)-
• 6931-84-6
• C42H80 N O8 P
• 232-307-2
• 0
• .

• 3-Azabicyclo[3.2.0]heptane-2,4-dione,3-(2-naphthalenyl)-
• 64037-98-5
• C16H13 N O2
• 251.2799
• .

• 2-Chloro-1,4-diaminobenzene
• 615-66-7
• C₆H₇ClN₂
• 210-441-2
• 142.60
• .

• 3,7-Cyclodecadien-1-one,3,7-dimethyl-10-(1-methylethylidene)-, (3E,7E)-
• 6902-91-6
• C₁₅H₂₂O
• 218.34
• .

• 3-Pyridinecarbonitrile,1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-5-[2-(4-methoxy-2-nitrophenyl)diazenyl]-4-methyl-2-oxo-
• 68992-01-8
• C22H27 N5 O5
• 273-666-5
• 441.48028
• .

• 3-Heptanone,7-(dimethylamino)-4,4-diphenyl-, hydrochloride (9CI)
• 63834-34-4
• C21H27 N O . Cl H
• 345.9061
• .

• 3-Buten-2-ol, 1-bromo-
• 64341-49-7
• C₄H₇BrO
• 151
• .

• 3(2H)-Isothiazolone,5-(aminomethyl)-
• 62020-54-6
• C4H6 N2 O S
• 130.17
• .

• 3H-Indazol-3-one,1,2-dihydro-5-nitro-
• 61346-19-8
• C₇H₅N₃O₃
• 262-728-7
• 179.1329
• .

• 3(2H)-Pyridazinethione,4,5-bis[(phenylmethyl)thio]-
• 6958-59-4
• C18H16 N2 S3
• 356.528
• .

• 3-Pyridinecarbonitrile,4-ethyl-1,2-dihydro-5-methyl-6-(methylthio)-2-oxo-, potassium salt (1:1)
• 6998-38-5
• C10H12 N2 O S . K
• 288.7289
• .

• 3(2H)-Pyridazinone,4-hydrazinyl-2-methyl-5-(methylsulfonyl)-
• 63901-43-9
• C6H10 N4 O3 S
• 218.2336
• .

• 3,6,10,13,16,19-Hexaazabicyclo[6.6.6]eicosane
• 64189-50-0
• C14H32 N6
• 0
• .

• 3-Hexene,2,2-dimethyl-, (3Z)-
• 690-92-6
• C8H16
• 112.21
• .

• 3-Pyridinecarbonitrile,2-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]-, (S)- (9CI)
• 65321-41-7
• C13H19 N3 O2
• 0
• .

• 3-Pyridinecarbonitrile,1,2-dihydro-4-(methoxymethyl)-2-oxo-6-propyl-
• 6974-13-6
• C11H14 N2 O2
• 0
• .

• 3,11a-Epidithio-11aH-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4-dione,9-chloro-2,3,5a,6,10b,11-hexahydro-10b,11-dihydroxy-7,8-dimethoxy-2,3-dimethyl-,(3R,5aR,10bS,11R,11aR)- (9CI)
• 69799-25-3
• C17H18 Cl N3 O6 S2
• 0
• .

• 3-Azabicyclo[3.2.1]octane,2-ethyl-3-methyl-
• 64048-82-4
• C10H19 N
• 153.2646
• .

• 3(2H)-Benzoxazolepropanesulfonicacid,2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-buten-1-ylidene]-,sodium salt (1:1)
• 62796-23-0
• C26H33 N3 O6 S2 . Na
• 569.72
• .

• 3H-Phenothiazin-9-amine,3-(2-chloroethyl)-N,N-dimethyl-
• 63918-80-9
• C16H17 Cl N2 S
• 304.8376
• .

• 3-Pyridinol,4-(aminomethyl)-6-(1,1-dimethylethyl)-2-iodo-
• 69213-46-3
• C10H15 I N2 O
• 0
• .

• 3-Pyrrolidinol,1-butyl-2-methyl-3-phenyl-, 3-propanoate
• 69552-02-9
• C18H27 N O2
• 289.4125
• .

• 3,8-Diazabicyclo[3.2.1]octane-8-propanol,b-cyclohexyl-3-methyl-b-phenyl-
• 63977-95-7
• C22H34 N2 O
• 356.5017
• .

• 3H-Pyrazol-3-one,2,4-dihydro-4,5-dimethyl-
• 6628-22-4
• C5H8 N2 O
• 229-608-6
• 112.13
• .

• 3-Azoniabicyclo[3.3.1]nonane,3-methyl-3-[2-(1-methylpyrrolidinio)ethyl]-, iodide (1:2)
• 64058-10-2
• C16H32 N2 . 2 I
• 506.2476
• .

• 3-Pyridinecarboxylicacid, 2-tricyclo[3.3.1.13,7]dec-1-ylethyl ester
• 64140-39-2
• C18H23 N O2
• 285.3807
• .

• 3,5,8-Trioxa-4-phosphatetracosan-1-aminium,4-hydroxy-N,N,N-trimethyl-9-oxo-7-[[(1-oxotetradecyl)oxy]methyl]-, inner salt,4-oxide, (7R)-
• 69525-80-0
• C38H76 N O8 P
• 0
• .

• 3,8-Diazabicyclo[3.2.1]octane,3,8-bis(1-oxopropyl)- (9CI)
• 63977-69-5
• C12H20 N2 O2
• 224.2994
• .

• 3-Pyridinecarboxamide,1,4-dihydro-2,6-dimethyl-4-oxo-N,1-diphenyl-
• 65190-89-8
• C20H18 N2 O2
• 318.3691
• .

• 3H-1,2,4-Dioxazole-3-carboxylicacid, 3-methyl-5-(phenylmethyl)-, methyl ester
• 64686-56-2
• C12H13 N O4
• 235.2359
• .

• Resorufin
• 635-78-9
• C₁₂H₇NO₃
• 211-241-8
• 213.18888
• .

• 3-(Dotetracontenyl)succinic anhydride
• 64051-58-7
• C₄₆H₈₆O₃
• 264-642-5
• 687.17324
• .

• 3-Butenoic acid,2-methylene-
• 6405-74-9
• C5H6 O2
• .

• 3-Pyridinol,2-(1,1-dimethylethyl)-
• 63688-34-6
• C9H13 N O
• 0
• .

• 3,6,9,12,15-Pentaoxa-21-azabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione
• 64379-58-4
• C15H19 N O7
• 325.3139
• .

• 3H-Indol-3-one,5,7-dichloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-1,2-dihydro-
• 6406-10-6
• C17H8 Cl3 N O2 S
• 229-025-7
• 396.6749
• .

• 3-hexatriacontylfuran-2,5-dione
• 64051-60-1
• C₄₀H₇₄O₃
• 264-643-0
• 603.01376
• .

• 3-Pentanone,1,1,1,2,4,5,5,5-octafluoro-2,4-bis[[2,3,5,5,6-pentafluoro-3,6-bis(trifluoromethyl)-1,4-dioxan-2-yl]oxy]-(9CI)
• 61097-96-9
• C17F30 O7
• 262-604-2
• 886.129796
• .

• 3H-Pyrido[3,4-b]indol-7-ol,4,9-dihydro-1-methyl-, hydrochloride (1:1)
• 6028-07-5
• C12H12 N2 O . Cl H
• 227-898-9
• 236.72
• .