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Reagenzien

In der Analytik bezeichnet man als Reagens einen Stoff, der zur Identifikation eines anderen Stoffes gebraucht wird. Deswegen werden Reagenzien auch Nachweismittel genannt. Nach der Zugabe des Reagens tritt eine chemische Reaktion auf, die eine charakteristische Eigenschaftsänderung (z. B. Farbänderung oder Fällung) bewirkt. Dadurch können bestimmte Ionen oder funktionelle Gruppe nachgewiesen werden. In der Synthesechemie wird ein Reagens zur Modifikation eines Reaktanten benutzt und während der Reaktion verbraucht.

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Structure Chemical Name CAS MF
4-Amino-3-nitro-N,N-dimethylaniline 4-Amino-3-nitro-N,N-dimethylaniline 16293-12-2 C8H11N3O2
1,3,5-Tri(tert-butyl)-2-nitrobenzol 1,3,5-Tri(tert-butyl)-2-nitrobenzol 4074-25-3 C18H29NO2
4-Nitrophenylformiat 4-Nitrophenylformiat 1865-01-6 C7H5NO4
2-Methyl-2-nitropropan-1,3-diol 2-Methyl-2-nitropropan-1,3-diol 77-49-6 C4H9NO4
BIS(2,4-DINITROPHENYL) OXALATE BIS(2,4-DINITROPHENYL) OXALATE 16536-30-4 C14H6N4O12
2-Chlor-1-iod-4-nitrobenzol 2-Chlor-1-iod-4-nitrobenzol 41252-96-4 C6H3ClINO2
1,4-Diphenyl-3-(phenylammonio)-1H-1,2,4-triazolium 1,4-Diphenyl-3-(phenylammonio)-1H-1,2,4-triazolium 2218-94-2 C20H16N4
BENZOYLNITROMETHANE BENZOYLNITROMETHANE 614-21-1 C8H7NO3
[(p-Nitrophenoxy)methyl]oxiran [(p-Nitrophenoxy)methyl]oxiran 5255-75-4 C9H9NO4
3-Nitrobenzamid 3-Nitrobenzamid 645-09-0 C7H6N2O3
4-Nitro-2,6-xylenol 4-Nitro-2,6-xylenol 2423-71-4 C8H9NO3
O-(4-Nitrobenzyl)hydroxylammoniumhydrochlorid O-(4-Nitrobenzyl)hydroxylammoniumhydrochlorid 2086-26-2 C7H9ClN2O3
N-(4-Nitrophenyl)-L-glutamin N-(4-Nitrophenyl)-L-glutamin 7300-59-6 C11H13N3O5
Dinatrium-5-nitro-2-oxidobenzolsulfonat Dinatrium-5-nitro-2-oxidobenzolsulfonat 14528-64-4 C6H6KNO7S
4-Nitrochalkon 4-Nitrochalkon 1222-98-6 C15H11NO3
1,3-Dimethoxy-4-nitrobenzol 1,3-Dimethoxy-4-nitrobenzol 4920-84-7 C8H9NO4
2,3-DIMETHYL-6-NITROANILINE 2,3-DIMETHYL-6-NITROANILINE 59146-96-2 C8H10N2O2
Methylhydrogen-2-nitroterephthalat Methylhydrogen-2-nitroterephthalat 35092-89-8 C9H7NO6
3-Bromophenyl isocyanate 3-Bromophenyl isocyanate 23138-55-8 C7H4BrNO
3-ACETYLPHENYL ISOCYANATE 3-ACETYLPHENYL ISOCYANATE 23138-64-9 C9H7NO2
METHYL 3-(DIMETHYLAMINO)-2-ISOCYANOACRYLATE METHYL 3-(DIMETHYLAMINO)-2-ISOCYANOACRYLATE 113212-14-9 C7H10N2O2
2,4,6-TRICHLOROPHENYL ISOCYANATE 2,4,6-TRICHLOROPHENYL ISOCYANATE 2505-31-9 C7H2Cl3NO
2-Thienyl isocyanate 2-Thienyl isocyanate 2048-57-9 C5H3NOS
1-ADAMANTYL ISOCYANATE 1-ADAMANTYL ISOCYANATE 4411-25-0 C11H15NO
3-(ETHOXYCARBONYL)PHENYL ISOCYANATE 3-(ETHOXYCARBONYL)PHENYL ISOCYANATE 67531-68-4 C10H9NO3
2-ETHOXYPHENYL ISOCYANATE 2-ETHOXYPHENYL ISOCYANATE 5395-71-1 C9H9NO2
2,5-Dichlorphenylisocyanat 2,5-Dichlorphenylisocyanat 5392-82-5 C7H3Cl2NO
2,6-DIFLUOROPHENYL ISOCYANATE 2,6-DIFLUOROPHENYL ISOCYANATE 65295-69-4 C7H3F2NO
3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE 2094-99-7 C13H15NO
Pentyl isocyanate Pentyl isocyanate 3954-13-0 C6H11NO
o-Isopropylphenylisocyanat o-Isopropylphenylisocyanat 56309-56-9 C10H11NO
Propylisocyanat Propylisocyanat 110-78-1 C4H7NO
3,5-DIMETHYLPHENYL ISOTHIOCYANATE 3,5-DIMETHYLPHENYL ISOTHIOCYANATE 40046-30-8 C9H9NS
3,4-DICHLOROBENZYL ISOCYANATE 3,4-DICHLOROBENZYL ISOCYANATE 19752-09-1 C8H5Cl2NO
4-Isothiocyanatobenzene-1-sulfonamide 4-Isothiocyanatobenzene-1-sulfonamide 51908-29-3 C7H6N2O2S2
2-Fluoro-5-(trifluoromethyl)phenyl isocyanate 2-Fluoro-5-(trifluoromethyl)phenyl isocyanate 69922-27-6 C8H3F4NO
4-ETHOXYPHENYL ISOCYANATE 4-ETHOXYPHENYL ISOCYANATE 32459-62-4 C9H9NO2
ETHOXYCARBONYL ISOCYANATE ETHOXYCARBONYL ISOCYANATE 19617-43-7 C4H5NO3
3-Cyanophenyl isocyanate 3-Cyanophenyl isocyanate 16413-26-6 C8H4N2O
3,4-DIFLUOROPHENYL ISOCYANATE 3,4-DIFLUOROPHENYL ISOCYANATE 42601-04-7 C7H3F2NO
4-CHLORO-3-NITROPHENYL ISOCYANATE 4-CHLORO-3-NITROPHENYL ISOCYANATE 40397-96-4 C7H3ClN2O3
2-CHLORO-5-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 2-CHLORO-5-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 50528-86-4 C8H3ClF3NO
m-Phenylendiisocyanat m-Phenylendiisocyanat 123-61-5 C8H4N2O2
4-N-BUTYLPHENYL ISOCYANATE 4-N-BUTYLPHENYL ISOCYANATE 69342-47-8 C11H13NO
4-(CHLOROMETHYL)PHENYL ISOCYANATE 4-(CHLOROMETHYL)PHENYL ISOCYANATE 29173-65-7 C8H6ClNO
5-CHLORO-2-METHYLPHENYL ISOCYANATE 5-CHLORO-2-METHYLPHENYL ISOCYANATE 40411-27-6 C8H6ClNO
3,4-Difluorophenyl isothiocyanate 3,4-Difluorophenyl isothiocyanate 113028-75-4 C7H3F2NS
4-(METHYLTHIO)PHENYL ISOCYANATE 4-(METHYLTHIO)PHENYL ISOCYANATE 1632-84-4 C8H7NOS
2,5-DIMETHYLPHENYL ISOCYANATE 2,5-DIMETHYLPHENYL ISOCYANATE 40397-98-6 C9H9NO
2-Naphthylisocyanat 2-Naphthylisocyanat 2243-54-1 C11H7NO
4-FLUOROBENZENESULFONYL ISOCYANATE 4-FLUOROBENZENESULFONYL ISOCYANATE 3895-25-8 C7H4FNO3S
3-CHLORO-4-FLUOROPHENYL ISOTHIOCYANATE 3-CHLORO-4-FLUOROPHENYL ISOTHIOCYANATE 137724-66-4 C7H3ClFNS
4-Methoxybenzyl isocyanate 4-Methoxybenzyl isocyanate 56651-60-6 C9H9NO2
2,4-DIMETHOXYPHENYL ISOCYANATE 2,4-DIMETHOXYPHENYL ISOCYANATE 84370-87-6 C9H9NO3
3-METHYLBENZYL ISOCYANATE 3-METHYLBENZYL ISOCYANATE 61924-25-2 C9H9NO
4-(TRIFLUOROMETHYLTHIO)PHENYL ISOCYANATE 4-(TRIFLUOROMETHYLTHIO)PHENYL ISOCYANATE 24032-84-6 C8H4F3NOS
N-HEPTYL ISOCYANATE N-HEPTYL ISOCYANATE 4747-81-3 C8H15NO
4-Isocyanatobenzonitril 4-Isocyanatobenzonitril 40465-45-0 C8H4N2O
Benzoylisocyanat Benzoylisocyanat 4461-33-0 C8H5NO2
N-(4-Cyanphenyl)acetamid N-(4-Cyanphenyl)acetamid 35704-19-9 C9H8N2O
m-Nitrophenylisocyanat m-Nitrophenylisocyanat 3320-87-4 C7H4N2O3
3-Phenylfuran-2,5-dion 3-Phenylfuran-2,5-dion 36122-35-7 C10H6O3
Cyclopentan-1,1-diessigsaeureanhydrid Cyclopentan-1,1-diessigsaeureanhydrid 5662-95-3 C9H12O3
4-Chlorobenzenesulfonyl isocyanate 4-Chlorobenzenesulfonyl isocyanate 5769-15-3 C7H4ClNO3S
oelsureanhydrid oelsureanhydrid 24909-72-6 C36H66O3
3-CHLORO-4-FLUOROPHENYL ISOCYANATE 3-CHLORO-4-FLUOROPHENYL ISOCYANATE 50529-33-4 C7H3ClFNO
3,3,4,4,5,5-Hexafluordihydro-2H-pyran-2,6(3H)-dion 3,3,4,4,5,5-Hexafluordihydro-2H-pyran-2,6(3H)-dion 376-68-1 C5F6O3
4,5,6,7-Tetrabrom-3H-2,1-benzoxathiol-3-on-1,1-dioxid 4,5,6,7-Tetrabrom-3H-2,1-benzoxathiol-3-on-1,1-dioxid 68460-01-5 C7Br4O4S
Dihydro-3-(2-propenyl)-2,5-furandion Dihydro-3-(2-propenyl)-2,5-furandion 7539-12-0 C7H8O3
2,3-ANTHRACENEDICARBOXYLIC ANHYDRIDE 2,3-ANTHRACENEDICARBOXYLIC ANHYDRIDE 6812-14-2 C16H8O3
TRICHLOROMETHYL ISOCYANATE TRICHLOROMETHYL ISOCYANATE 30121-98-3 C2Cl3NO
Phenylsuccinic anhydride Phenylsuccinic anhydride 1131-15-3 C10H8O3
r-1,c-2,c-3,c-4-Cyclopentan-1,2:3,4-tetracarbondisaeureanhydrid r-1,c-2,c-3,c-4-Cyclopentan-1,2:3,4-tetracarbondisaeureanhydrid 6053-68-5 C9H6O6
2,4,6-TRIFLUOROPHENYL ISOTHIOCYANATE 2,4,6-TRIFLUOROPHENYL ISOTHIOCYANATE 206761-91-3 C7H2F3NS
p-Anissureanhydrid p-Anissureanhydrid 794-94-5 C16H14O5
4-METHOXY-2-METHYLPHENYL ISOCYANATE 4-METHOXY-2-METHYLPHENYL ISOCYANATE 60385-06-0 C9H9NO2
2-CYANOPHENYL ISOCYANATE 2-CYANOPHENYL ISOCYANATE 42066-86-4 C8H4N2O
Dihydro-3-(tetrapropenyl)furan-2,5-dion Dihydro-3-(tetrapropenyl)furan-2,5-dion 26544-38-7 C16H26O3
4-CHLORO-2-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 4-CHLORO-2-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 16588-69-5 C8H3ClF3NO
2-(Trifluoromethoxy)phenyl isocyanate 2-(Trifluoromethoxy)phenyl isocyanate 182500-26-1 C8H4F3NO2
1,2-Dichlor-3-isocyanatobenzol 1,2-Dichlor-3-isocyanatobenzol 41195-90-8 C7H3Cl2NO
Bicyclo[2.2.2]oct-7-en-2,3:5,6-tetracarbonsuredianhydrid Bicyclo[2.2.2]oct-7-en-2,3:5,6-tetracarbonsuredianhydrid 1719-83-1 C12H8O6
2-FLUORO-5-METHYLPHENYL ISOCYANATE 2-FLUORO-5-METHYLPHENYL ISOCYANATE 190774-50-6 C8H6FNO
Chinaldinblau Chinaldinblau 2768-90-3 C25H25ClN2
Myristinsureanhydrid Myristinsureanhydrid 626-29-9 C28H54O3
p-Ethylphenylisocyanat p-Ethylphenylisocyanat 23138-50-3 C9H9NO
ARACHIDIC ANHYDRIDE ARACHIDIC ANHYDRIDE 55726-22-2 C40H78O3
4-PHENOXYPHENYL ISOCYANATE 4-PHENOXYPHENYL ISOCYANATE 59377-19-4 C13H9NO2
Cyclobutane-1,2-dicarboxylic anhydride Cyclobutane-1,2-dicarboxylic anhydride 4462-96-8 C6H6O3
4-METHYL-3-NITROPHENYL ISOCYANATE 4-METHYL-3-NITROPHENYL ISOCYANATE 13471-69-7 C8H6N2O3
Octylisocyanat Octylisocyanat 3158-26-7 C9H17NO
2-BIPHENYLYL ISOCYANATE 2-BIPHENYLYL ISOCYANATE 17337-13-2 C13H9NO
1,2-NAPHTHALIC ANHYDRIDE 1,2-NAPHTHALIC ANHYDRIDE 5343-99-7 C12H6O3
3-(2-Dodecenyl)bernsteinsureanhydrid 3-(2-Dodecenyl)bernsteinsureanhydrid 19780-11-1 C16H26O3
LINOLEIC ANHYDRIDE LINOLEIC ANHYDRIDE 24909-68-0 C36H62O3
1,3-Dichlor-2-isocyanatobenzol 1,3-Dichlor-2-isocyanatobenzol 39920-37-1 C7H3Cl2NO
1-Hexylisocyanat 1-Hexylisocyanat 2525-62-4 C7H13NO
Natriumhydrogen-4-[[4-(ethylamino)-m-tolyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-yliden]methyl]-6-hydroxybenzol-1,3-disulfonat Natriumhydrogen-4-[[4-(ethylamino)-m-tolyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-yliden]methyl]-6-hydroxybenzol-1,3-disulfonat 4463-44-9 C25H29N2NaO7S2
3-ETHYLPHENYL ISOCYANATE 3-ETHYLPHENYL ISOCYANATE 23138-58-1 C9H9NO
2,3,3,4-biphenyl tetracarboxylic dianhydride 2,3,3,4-biphenyl tetracarboxylic dianhydride 36978-41-3 C16H6O6
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