• Quaternary ammoniumcompounds, benzyl-C10-18-alkylbis(hydroxyethyl), chlorides
• 91721-81-2
• 294-381-2
• .

• Quinoxaline,2,3-dibutoxy-
• 60814-27-9
• C16H22 N2 O2
• 274.3581
• .

• Quinolinium,1-ethyl-4-[2-(phenylamino)ethenyl]-, iodide (1:1)
• 19487-71-9
• C₁₉H₁₉IN₂
• 243-108-5
• 402.272
• .

• Quinolinium,2-(2-fluorophenyl)-3-methoxy-1-methyl-, iodide (1:1)
• 3887-83-0
• C17H15 F N O . I
• 269.3134
• .

• Quinoxaline,1,2,3,4-tetrahydro-6-phenyl-
• 6640-53-5
• C14H14 N2
• 210.2744
• .

• Quinolinium,1-ethyl-4-[(1-ethyl-4(1H)-quinolinylidene)methyl]-, iodide (1:1)
• 4727-49-5
• C23H23 N2 . I
• 225-223-2
• 454.35
• .

• Quinolinium,2-[2-[(5-bromo-3-ethyl-2(3H)-benzothiazolylidene)methyl]-1-buten-1-yl]-6-chloro-1-(3-sulfopropyl)-,inner salt
• 52450-03-0
• C26H26 Br Cl N2 O3 S2
• 257-928-6
• 593.98324
• .

• Quaternary ammoniumcompounds, C12-18-alkylpentamethylhexamethylenedi-, bis(Me sulfates)
• 92061-63-7
• 295-475-6
• .

• Quinoline,2-(3-ethyl-1-hepten-1-yl)-, hydrochloride (1:1)
• 5336-99-2
• C18H23 N . Cl H
• 253.3819
• .

• Quino[2,3-b]acridine-7,14-dione,3,10-dichloro-5,12-dihydro-6,13-dihydroxy-
• 5791-69-5
• C20H10 Cl2 N2 O4
• 318.3278
• .

• Quinoline,8-fluoro-5-nitro-
• 94832-39-0
• C₉H₅FN₂O₂
• 192.1466
• .

• Quinoline,2-[2-(4-chlorophenyl)ethenyl]-
• 5392-19-8
• C17H12 Cl N
• 265.7369
• .

• Quinoxaline, 6(or7)-methyl-2-phenyl- (9CI)
• 86876-50-8
• C15H12 N2
• 313.39082
• .

• Quaternary ammoniumcompounds, [1,2-ethanediylbis[imino(2-oxo-2,1-ethanediyl)]]bis[dimethyltallowalkyl, dichlorides
• 96792-48-2
• 306-282-4
• .

• Quinoline,2-ethyl-4-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methoxy]-, hydrochloride(1:1)
• 135015-84-8
• C25H21 N5 O . Cl H
• .

• Quinoline, 4-nitro-
• 3741-15-9
• C9H6 N2 O2
• 174.15614
• .

• Quinoxaline,2,2'-(thiodi-4,1-phenylene)bis[3-phenyl- (9CI)
• 60516-70-3
• C40H26 N4 S
• 594.7262
• .

• Quinoline,4-chloro-6-methoxy-2-methyl-
• 50593-73-2
• C11H10 Cl N O
• 207.66
• .

• Quaternary ammoniumcompounds, (hydrogenated tallow alkyl)bis(hydroxyethyl)methyl, ethoxylatedpropoxylated, sulfates (1:1) (salts)
• 73176-13-3
• .

• Quaternary ammoniumcompounds, ethylbis(hydroxyethyl)soya alkyl, Et sulfates (salts)
• 68308-66-7
• .

• Quinoxaline,1,4-bis(chloroacetyl)-1,2,3,4-tetrahydro-6,7-dimethyl- (7CI,8CI,9CI)
• 6717-60-8
• C14H16 Cl2 N2 O2
• 315.195
• .

• Quinolinium,1-(3-amino-3-oxopropyl)-, chloride (1:1)
• 21161-03-5
• C12H13 N2 O . Cl
• 201.2439
• .

• Quinolinium,6-chloro-1-[2-(4-iodophenyl)-2-oxoethyl]-, bromide (1:1)
• 6267-54-5
• C17H12 Cl I N O . Br
• 408.6402
• .

• Quinoxaline,2,3-diethoxy-
• 57050-66-5
• C12H14 N2 O2
• 0
• .

• Quinolinium,1-ethyl-2-[3-(3-ethyl-2(3H)-benzoselenazolylidene)-1-propenyl]-, iodide (9CI)
• 72491-44-2
• C23H23 N2 Se . I
• 276-697-2
• 533.30659
• .

• Quaternary ammoniumcompounds, di-C16-18-alkyldimethyl, chlorides
• 92129-33-4
• C70H144ClN
• 295-835-2
• 1035.35206
• .

• Quinolinium,6,6'-(terephthaloyldiimino)bis[1-methyl-, dichloride (8CI)
• 22727-02-2
• C28H24 N4 O2 . 2 Cl
• 464.6428
• .

• Quinoxaline,1,4-bis(3-chloro-1-oxopropyl)-1,2,3,4-tetrahydro-2-methyl- (9CI)
• 6699-48-5
• C15H18 Cl2 N2 O2
• 329.2216
• .

• Quinolinium,1-octadecyl-, iodide (1:1)
• 74639-23-9
• C27H44 N . I
• 382.6444
• .

• Quinolizinium,2-(pyridiniomethyl)-, iodide (1:2)
• 1586-41-0
• C15H14 N2 . 2 I
• .

• Quinolinol,7-bromo-5-chloro- (9CI)
• 94275-80-6
• C9H5 Br Cl N O
• 304-469-5
• 258.4991
• .

• Quinoxalinium,1,1,4,4-tetrabutyldecahydro-, dichloride, trans- (9CI)
• 6640-42-2
• C24H50 N2 . 2 Cl
• 366.6661
• .

• Quinoline,5,6,7,8-tetrahydro-3-methyl-
• 28712-62-1
• C10H13 N
• 249-183-0
• 147.21692
• .

• Quaternary ammoniumcompounds, benzyl-C20-22-alkyldimethyl, chlorides
• 85736-61-4
• 288-472-6
• .

• Quinolinium,1-(2-hydroxypropyl)-, bromide (1:1)
• 6323-85-9
• C12H14 N O . Br
• 188.2451
• .

• Quaternary ammoniumcompounds, bis(2-hydroxypropyl)norcoco alkyl-2-propenyl, chlorides
• 96690-42-5
• 306-236-3
• .

• Quinoxaline,5,6,7,8-tetrafluoro-
• 33319-19-6
• C8H2 F4 N2
• 0
• .

• Quinolinium,1,2-dimethyl-8-[[(methylamino)carbonyl]oxy]-, iodide (1:1)
• 71349-95-6
• C13H15 N2 O2 . I
• 358.1749
• .

• Quaternary ammoniumcompounds, benzylcoco alkyldimethyl, bromides
• 91080-67-0
• 293-563-9
• .

• Quinoline,1,2-dihydro-2-[2-(3H-indol-3-ylidene)ethylidene]-1-methyl-, hydriodide (1:1)
• 76384-48-0
• C20H16 N2 . H I
• 286.3703
• .

• Quinoline,2-[2-(3-pyridinyl)ethenyl]-
• 1586-51-2
• C16H12 N2
• 232.2799
• .

• Quaternary ammoniumcompounds, di-C12-18-alkyl(hydroxyethyl)methyl, chlorides
• 92061-81-9
• 295-493-4
• .

• Quinoline,3-ethyl-2-propyl-
• 3290-24-2
• C₁₄H₁₇N
• 221-948-3
• 199.2915
• .

• Quinolinium,6-methoxy-1-[2-[4-(methylthio)phenyl]-2-oxoethyl]-, iodide (1:1)
• 6267-71-6
• C19H18 N O2 S . I
• 324.4162
• .

• Quino[2,3-b]acridine-7,14-dione
• 5277-56-5
• C20H10 N2 O2
• 295.1208
• .

• Quinolinium,7-amino-4-[[3-amino-4-[[[4-[(1-methylpyridinium-4-yl)amino]phenyl]amino]carbonyl]phenyl]amino]-1-methyl-,bromide (1:2)
• 53222-43-8
• C29H29 N7 O . 2 Br
• 651.3949
• .

• Quinoline,3-fluoro-8-nitro-
• 236093-08-6
• C9H5 F N2 O2
• 192.1466
• .

• Quaternary ammoniumcompounds, C14-18-alkylethyldimethyl
• 134595-54-3
• 0
• .

• Quinoxaline,1,4-dihydro-1,4-bis(trimethylsilyl)-
• 78279-93-3
• C14H24 N2 Si2
• 0
• .

• Quinoxaline,1,2,3,4-tetrahydro-1,4-dinitroso-
• 6335-61-1
• C8H8 N4 O2
• 192.1747
• .