StructureChemical NameCASMF
2-Butenal, 3-[(2-oxopropyl)amino]-, (Z)- (9CI) 94393-92-7 C7H11NO2
3-Buten-2-one, 4-(dimethylamino)-4-fluoro-, (Z)- (8CI,9CI) 32643-69-9 C6H10FNO
1-Buten-1-one, 2-phenyl- 20452-67-9 C10H10O
3-Buten-2-one, 4-hydroxy-4-(6-methoxy-2-naphthalenyl)-, (3Z)- 218768-11-7 C15H14O3
1-Butene, 4-bromo-3,3,4,4-tetrafluoro-, polymer with 1,1-difluoroethene, 1,1,2,3,3,3-hexafluoro-1-propene and tetrafluoroethene 74398-72-4 C11H5BrF16
4-BUTENYL PYRIDINE 45814-04-8 C9H11N
1-Buten-1-one, 2-(2-pyridinyl)- (9CI) 185153-70-2 C9H9NO
2-Butenoic acid, 3-hydroxy-2-methyl- (9CI) 180526-05-0 C5H8O3
2-Butenedioic acid (2Z)-, disodium salt, reaction products with disodium phosphonate 143239-08-1
2-Butenoicacid,bicyclo[2.2.1]hept-2-ylester(9CI) 733766-38-6 C11H16O2
2-Butenedioic acid (E)-, polymer with methyloxirane, oxirane and 1,2,3-propanetriol 68400-71-5 C12H22O9
but-2-enedioic acid, 2-methylsulfanyl-N-(1-phenethyl-4-piperidyl)-N-ph enyl-acetamide 130820-22-3 C26H32N2O5S
3-Buten-2-one,3-(4-pyridinyl)-(9CI) 120510-50-1 C9H9NO
2-Butenedioic acid (2Z)-, mono(1-methylethyl) ester, reaction products with maleic anhydride and polyethylene, ethoxylated propoxylated 75535-30-7 C18H26O9
2-Butenoicacid,4-(3,4-dihydroxyphenyl)-4-oxo-,(E)-(9CI) 117379-76-7 C10H8O5
2-Butenedioic acid (Z)-, polymer with 1,3-butadiene, ethenylbenzene and 2-methyl- 2-propenamide 77830-02-5 C7H11N3O
3-Buten-2-ol,4-(4-pyridinyl)-,(E)-(9CI) 133080-46-3 C9H11NO
2-BUTENE,1-CHLORO-2-METHYL- C5H9Cl
2-Butenoicacid,3-[4-(1-methylethyl)phenyl]-(9CI) 40891-41-6 C13H16O2
2-Buten-1-one,3-methyl-1-(2,3,4-trihydroxyphenyl)-(9CI) 101135-75-5 C11H12O4
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-fluoro-,[S-(Z)]- 174075-49-1 C9H14FNO4
3-Buten-2-ol,2-aminobenzoate(9CI) 186135-57-9 C11H13NO2
2-Butenoicacid,4-(4-ethyl-1-piperazinyl)-4-oxo-,methylester(9CI) 676641-62-6 C11H18N2O3
2-Butenedioic acid (2E)-, polymer with chloroethene and ethenyl acetate 32650-26-3 C10H13ClO6
3-Buten-2-one,3-methyl-4-(2,5,6-trimethyl-3-cyclohexen-1-yl)-(4CI) 801222-62-8 C14H22O
2-Buten-1-amine,3-(4-fluorophenyl)-,(Z)-(9CI) 778546-28-4 C10H12FN
3-Butenamide,4,4-difluoro-N-3-pyridinyl-(9CI) 130814-01-6 C9H8F2N2O
1-Butene, polymer with ethene and 1-propene 25895-47-0 C9H18
3-Buten-1-ol,4-(4-pyridinyl)-(9CI) 535972-84-0 C9H11NO
3-Butenoicacid,2-amino-4-cyano-2-methyl-,methylester,(E)-(9CI) 73838-95-6 C7H10N2O2
but-2-enedioic acid, 3-(1-methylpyrrolidin-3-yl)-2,2-diphenyl-1-pyrrol idin-1-yl-propan-1-one 6302-73-4 C28H34N2O5
2-Butenedioic acid (2E)-, didodecyl ester, polymer with ethenyl acetate 27456-04-8 C32H58O6
3-Buten-2-one, 4-(methylthio)- (9CI) 66894-64-2 C5H8OS
2-Butenimidamide, 2-acetyl-3-hydroxy- (9CI) 765234-05-7 C6H10N2O2
2-Butenoic acid, 2-cyano-3-hydroxy- (9CI) 331627-93-1 C5H5NO3
3-Buten-2-one, 3-fluoro-4-methoxy-, (Z)- (9CI) 148541-82-6 C5H7FO2
3-Buten-2-one, 4-(methylthio)-, (3E)- (9CI) 33944-94-4 C5H8OS
3-Buten-2-one, 4-hydroxy-3-(methylthio)-, (Z)- (9CI) 91157-88-9 C5H8O2S
2-Butenedioic acid (Z)-, bis (2-ethylhexyl) ester, polymer with ethenyl acetate 26853-85-0 C24H42O6
3-Buten-1-one, 2-chloro-1-cyclohexyl-2,3-dimethyl- (9CI) 131353-06-5 C12H19ClO
2-Butenoicacid,4-(2-ethyl-1-piperidinyl)-4-oxo-(9CI) 464223-84-5 C11H17NO3
3-Buten-2-one, 4-(benzoyloxy)- 81450-80-8
2-(3-butenylthio)ethanol 82010-87-5 C6H12OS
3-Buten-2-one, 4-(2-propenylamino)-, (Z)- (9CI) 92676-71-6 C7H11NO
3-Buten-1-one, 2-chloro-1-(4-methylphenyl)- (9CI) 77131-96-5 C11H11ClO
2-(2-buten-2-yl)-3,7-dihydro-3-formyl-3-methyl-5-phenylfuro(2,3-b)pyridin-4(2H)-one C19H19NO3
3-Buten-2-one, 4-(4H-1,2,4-triazol-4-yl)- (9CI) 107113-24-6 C6H7N3O
2-Butenedioic acid (Z)-, dibutyl ester, polymer with ethene and ethenyl acetate 57418-55-0 C18H30O6
2-Butenedioic acid (Z)-, (Z)-2-[(1-oxo-9-octadecenyl)amino]ethyl ester 68511-29-5 C24H43NO6
2-Butenedioic acid (Z)-, dioctyl ester, polymer with (Z)-di-2-propenyl 2-butenedioate, ethenyl acetate and 2-ethylhexyl 2-propenoate 123774-70-9 C45H74O12
2-Butene-1,4-diol, polymer with 1,3-diisocyanatomethylbenzene and methyloxirane, bisulfited, Bu alc.-blocked 111849-97-9
but-2-enedioic acid, 1-[2-[3-(1H-indol-4-yl)propyl]phenoxy]-3-(tert-bu tylamino)propan-2-ol 109920-83-4 C52H68N4O8
but-2-enedioic acid, 1-[4-(3-butylamino-2-hydroxy-propoxy)-3-(propoxym ethyl)phenyl]ethanone 152271-00-6 C42H66N2O12
2-Buten-1-one,1-(4-pyridinyl)-(9CI) 153254-97-8 C9H9NO
2-Buten-1-one,1-(2,2-dimethyl-6-methylenecyclohexyl)- 35087-49-1 C13H20O
3-BUTEN NITRIDE C4H7N*
But-3-en-2-one, 4-phenylamino-3-(1-phenyl-5-tetrazolyl)- 140215-50-5 C17H15N5O
3-BUTEN NITRILE C4H5N
but-2-enedioic acid, N,N-diethyl-2-[3-(2-furyl)-2-naphthalen-2-yl-prop oxy]ethanamine 73953-93-2 C27H33NO6
3-Buten-2-one, 3-methyl-4-nitro-, (3E)- (9CI) 149795-00-6 C5H7NO3
3-Buten-2-one, 4-(dimethylamino)-4-hydroxy- (9CI) 83235-77-2 C6H11NO2
3-Buten-2-one, 3-(nitromethyl)- (9CI) 220061-36-9 C5H7NO3
3-Buten-2-one, 3-[(acetyloxy)methyl]- (9CI) 152958-65-1 C7H10O3
3-Buten-2-one, 3-hydroxy-4-methoxy- (6CI) 99419-34-8 C5H8O3
1-BUTENE-3,3-D2 18932-22-4 C4H6D2
3-BUTENAMIDE 432491-67-3 C4H7NO
(2-BUTENYL)TRIPHENYLPHOSPHONIUM CHLORIDE 13138-25-5 C22H22ClP
3-Buten-2-one, 4-(ethylmethylamino)- (9CI) 37993-49-0 C7H13NO
3-Buten-2-one, 4-(3-furanyl)-, (E)- (9CI) 196951-16-3 C8H8O2
BUT-3-ENYLOXY-TERT-BUTYL-DIMETHYL-SILANE 108794-10-1 C10H22OSi
2-BUTENEDIOICACID,DIETHYLESTER C8H12O4
1-BUTENE,3-CHLORO-2-METHYL- C5H9Cl
BUT-3-ENOYL CHLORIDE 1470-91-3 C4H5ClO
3-Buten-2-one, 4-(methylthio)-, (Z)- (8CI,9CI) 33944-93-3 C5H8OS
3-Buten-2-one, 4-(1-pyrrolidinyl)- (8CI,9CI) 19352-94-4 C8H13NO
2-BUTENE-1,1,1-D3 116008-90-3 C4H5D3
but-2-enyl 2-methylbutyrate 94278-40-7 C9H16O2
1-(2-BUTENOYL)-1H-BENZOTRIAZOLE C10H9N3O
2-Butenal, 3-[(2-oxopropyl)amino]-, (E)- (9CI) 94393-91-6 C7H11NO2
but-2-enedioic acid: 3-[4-[2-[4-(3-hydroxypropoxy)phenyl]propan-2-yl]p henoxy]propan-1-ol 54018-76-7 C25H32O8
2-Butenoicacid,4-(dimethylamino)-,methylester(9CI) 501332-25-8 C7H13NO2
4-[1-(2-BUTENYL)-3-PENTENYL]-PYRIDINE C14H19N
3-Buten-2-one,4-(1H-benzimidazol-2-yl)-,(E)-(9CI) 66434-98-8 C11H10N2O
butenamidine C4H8N2
2-Butene 107-01-7 C4H8
3-Buten-2-one, 3-nitro- (9CI) 286402-79-7 C4H5NO3
3-Butenoic acid, 2-amino-4-(methylthio)-, (S-(Z))- 143800-82-2 C5H9NO2S
2-Butenedioic acid (Z)-, monomethyl ester, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, hexahydro-2H-azepin-2-one and 1,1'-methylenebis[4-isocyanatobenzene] 105458-01-3 C35H31N3O12
1-Butene, 4-bromo-3,3,4,4-tetrafluoro-, polymer with 1,1-difluoroethene, tetrafluoroethene and trifluoro (trifluoromethoxy) ethene 65059-79-2 C11H5BrF16O
2-Buten-1-amine,3-(4-fluorophenyl)-,(E)-(9CI) 783275-26-3 C10H12FN
3-Buten-2-one,4-[(1S,2R)-2-(2-oxopropyl)cyclopentyl]-,(3E)-(9CI) 765288-13-9 C12H18O2
2-Butenoic acid, (6-oxo-1-cyclohexen-1-yl)methyl ester 106281-45-2 C11H14O3
2-Butenediamide,N-(2-ethylphenyl)-(9CI) 463352-91-2 C12H14N2O2
but-2-enedioic acid, 2-[6-methoxy-2-(morpholin-4-ylmethyl)-1,2,3,4-tet rahydrocarbazol-9-yl]ethanol 123063-92-3 C24H32N2O7
but-2-enedioic acid, 4-(1-butyl-5,6-dihydro-2H-pyridin-3-yl)-5-chloro- 1,3-thiazol-2-amine 130093-10-6 C16H22ClN3O4S
4-([6-(3-BUTENOYLOXY)HEXYL]OXY)BENZENECARBOXYLIC ACID 141522-65-8 C17H22O5
1-BUTENE-3,3,4,4,4-D5 C4H3D5
but-2-enedioic acid, 1-[4-[2-[4-[3-(trifluoromethyl)phenyl]piperazin-1 -yl]ethyl]piperazin-1-yl]propan-1-one 65274-60-4 C28H37F3N4O9
Butenolide B
2-Butenoicacid,4-[[(1,1-dimethylethoxy)carbonyl]amino]-,methylester,(2Z)- 479672-37-2 C10H17NO4
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