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
Diaminomaleonitril Diaminomaleonitril 1187-42-4 C4H4N4
Ethoxymethylenmalononitril Ethoxymethylenmalononitril 123-06-8 C6H6N2O
3-Hydroxypropiononitril 3-Hydroxypropiononitril 109-78-4 C3H5NO
m-Hydroxybenzonitril m-Hydroxybenzonitril 873-62-1 C7H5NO
3,4-Dichlorbenzonitril 3,4-Dichlorbenzonitril 6574-99-8 C7H3Cl2N
Diphenylacetonitril Diphenylacetonitril 86-29-3 C14H11N
(2-Bromphenyl)acetonitril (2-Bromphenyl)acetonitril 19472-74-3 C8H6BrN
p-Toluonitril p-Toluonitril 104-85-8 C8H7N
2,5-Dichlorbenzonitril 2,5-Dichlorbenzonitril 21663-61-6 C7H3Cl2N
3-Chlorphenylacetonitril 3-Chlorphenylacetonitril 1529-41-5 C8H6ClN
Cyclopropancarbonitril Cyclopropancarbonitril 5500-21-0 C4H5N
4-Bromphenylacetonitril 4-Bromphenylacetonitril 16532-79-9 C8H6BrN
3-Methoxypropiononitril 3-Methoxypropiononitril 110-67-8 C4H7NO
4-Iodobenzonitrile 4-Iodobenzonitrile 3058-39-7 C7H4IN
4-(TRIFLUOROMETHOXY)PHENYLACETONITRILE 4-(TRIFLUOROMETHOXY)PHENYLACETONITRILE 49561-96-8 C9H6F3NO
3,4-Dimethoxyphenylacetonitril 3,4-Dimethoxyphenylacetonitril 93-17-4 C10H11NO2
4-(TRIFLUOROMETHYL)PHENYLACETONITRILE 4-(TRIFLUOROMETHYL)PHENYLACETONITRILE 2338-75-2 C9H6F3N
o-Toluonitril o-Toluonitril 529-19-1 C8H7N
5-Bromo-1-indanone 5-Bromo-1-indanone 34598-49-7 C9H7BrO
1,3-Dihydro-1-oxoisobenzofuran-5-carbonitril 1,3-Dihydro-1-oxoisobenzofuran-5-carbonitril 82104-74-3 C9H5NO2
6-Bromoindanone 6-Bromoindanone 14548-39-1 C9H7BrO
(4-Fluorphenyl)aceton (4-Fluorphenyl)aceton 459-03-0 C9H9FO
3,4,5-Trimethoxyphenylacetonitril 3,4,5-Trimethoxyphenylacetonitril 13338-63-1 C11H13NO3
2',4',6'-Trihydroxyacetophenon 2',4',6'-Trihydroxyacetophenon 480-66-0 C8H8O4
1-(4-Iodphenyl)ethan-1-on 1-(4-Iodphenyl)ethan-1-on 13329-40-3 C8H7IO
4-Chlorbenzonitril 4-Chlorbenzonitril 623-03-0 C7H4ClN
3-Aminoacetophenon 3-Aminoacetophenon 99-03-6 C8H9NO
2,4'-Dibromacetophenon 2,4'-Dibromacetophenon 99-73-0 C8H6Br2O
1-(2,4-Difluorphenyl)ethan-1-on 1-(2,4-Difluorphenyl)ethan-1-on 364-83-0 C8H6F2O
4-Methoxyphenylaceton 4-Methoxyphenylaceton 122-84-9 C10H12O2
3'-Bromacetophenon 3'-Bromacetophenon 2142-63-4 C8H7BrO
1-(3,5-Dihydroxyphenyl)ethan-1-on 1-(3,5-Dihydroxyphenyl)ethan-1-on 51863-60-6 C8H8O3
2-Fluoracetophenon 2-Fluoracetophenon 445-27-2 C8H7FO
N-Benzyltropinone N-Benzyltropinone 28957-72-4 C14H17NO
1-(5-Fluor-2-hydroxyphenyl)ethan-1-on 1-(5-Fluor-2-hydroxyphenyl)ethan-1-on 394-32-1 C8H7FO2
2-Brombenzonitril 2-Brombenzonitril 2042-37-7 C7H4BrN
2'-Chloracetophenon 2'-Chloracetophenon 2142-68-9 C8H7ClO
1,3-Diphenylpropan-1,3-dion 1,3-Diphenylpropan-1,3-dion 120-46-7 C15H12O2
Terephthalonitril Terephthalonitril 623-26-7 C8H4N2
3-Brombenzonitril 3-Brombenzonitril 6952-59-6 C7H4BrN
4'-Hydroxy-3'-methoxyacetophenon 4'-Hydroxy-3'-methoxyacetophenon 498-02-2 C9H10O3
4,4-Dimethyl-3-oxovaleronitril 4,4-Dimethyl-3-oxovaleronitril 59997-51-2 C7H11NO
5-Bromo-2-hydroxyacetophenone 5-Bromo-2-hydroxyacetophenone 1450-75-5 C8H7BrO2
4,4'-Dihydroxybenzophenon 4,4'-Dihydroxybenzophenon 611-99-4 C13H10O3
(Hydroxycyclohexyl)(phenyl)keton (Hydroxycyclohexyl)(phenyl)keton 947-19-3 C13H16O2
2'-Hydroxyacetophenone 2'-Hydroxyacetophenone 118-93-4 C8H8O2
5-Fluoro-1-indanone 5-Fluoro-1-indanone 700-84-5 C9H7FO
Paroxypropion Paroxypropion 70-70-2 C9H10O2
3-Methoxyacetophenon 3-Methoxyacetophenon 586-37-8 C9H10O2
β-Chlorpropiophenon β-Chlorpropiophenon 936-59-4 C9H9ClO
2,2',4'-Trichloracetophenon 2,2',4'-Trichloracetophenon 4252-78-2 C8H5Cl3O
5-Methoxyindan-1-on 5-Methoxyindan-1-on 5111-70-6 C10H10O2
2',6'-Dihydroxyacetophenon 2',6'-Dihydroxyacetophenon 699-83-2 C8H8O3
2-Brompropiophenon 2-Brompropiophenon 2114-00-3 C9H9BrO
4'-Fluoro-3'-nitroacetophenone 4'-Fluoro-3'-nitroacetophenone 400-93-1 C8H6FNO3
3,5-Dibenzyloxyacetophenone 3,5-Dibenzyloxyacetophenone 28924-21-2 C22H20O3
6-Fluoro-1-indanone 6-Fluoro-1-indanone 1481-32-9 C9H7FO
Benzophenonhydrazon Benzophenonhydrazon 5350-57-2 C13H12N2
Benzylchlorodimethylsilane Benzylchlorodimethylsilane 1833-31-4 C9H13ClSi
2-Brom-4'-methylacetophenon 2-Brom-4'-methylacetophenon 619-41-0 C9H9BrO
2-Amino-5-chlorbenzophenon 2-Amino-5-chlorbenzophenon 719-59-5 C13H10ClNO
3'-Hydroxyacetophenon 3'-Hydroxyacetophenon 121-71-1 C8H8O2
1-(3,4-Dichlorphenyl)ethan-1-on 1-(3,4-Dichlorphenyl)ethan-1-on 2642-63-9 C8H6Cl2O
5-Chloro-1-indanone 5-Chloro-1-indanone 42348-86-7 C9H7ClO
6-Methoxy-1H-indanone 6-Methoxy-1H-indanone 13623-25-1 C10H10O2
4'-Bromacetophenon 4'-Bromacetophenon 99-90-1 C8H7BrO
Fluoren-9-on Fluoren-9-on 486-25-9 C13H8O
2-Aminobenzophenon 2-Aminobenzophenon 2835-77-0 C13H11NO
1-(3,4-Difluorphenyl)ethan-1-on 1-(3,4-Difluorphenyl)ethan-1-on 369-33-5 C8H6F2O
Bis(4-fluorphenyl)keton Bis(4-fluorphenyl)keton 345-92-6 C13H8F2O
Dimethoxymethyl(3,3,3-trifluorpropyl)silan Dimethoxymethyl(3,3,3-trifluorpropyl)silan 358-67-8 C6H13F3O2Si
4-Chlorbenzophenon 4-Chlorbenzophenon 134-85-0 C13H9ClO
Tetraacetoxysilan Tetraacetoxysilan 562-90-3 C8H12O8Si
2',5'-Dichloracetophenon 2',5'-Dichloracetophenon 2476-37-1 C8H6Cl2O
2',4'-Dihydroxyacetophenon 2',4'-Dihydroxyacetophenon 89-84-9 C8H8O3
2-Brom-1-(2,4-dichlorphenyl)ethan-1-on 2-Brom-1-(2,4-dichlorphenyl)ethan-1-on 2631-72-3 C8H5BrCl2O
3'-Chloracetophenon 3'-Chloracetophenon 99-02-5 C8H7ClO
4'-Fluoro-2'-hydroxyacetophenone 4'-Fluoro-2'-hydroxyacetophenone 1481-27-2 C8H7FO2
2'-Bromacetophenon 2'-Bromacetophenon 2142-69-0 C8H7BrO
3-Fluoracetophenon 3-Fluoracetophenon 455-36-7 C8H7FO
2,4-Dihydroxybenzophenon 2,4-Dihydroxybenzophenon 131-56-6 C13H10O3
5,6-Dimethoxyindan-1-on 5,6-Dimethoxyindan-1-on 2107-69-9 C11H12O3
2,7-Dibromo-9H-fluoren-9-one 2,7-Dibromo-9H-fluoren-9-one 14348-75-5 C13H6Br2O
1-(2,4-Dichlorphenyl)ethan-1-on 1-(2,4-Dichlorphenyl)ethan-1-on 2234-16-4 C8H6Cl2O
2-Bromacetophenon 2-Bromacetophenon 70-11-1 C8H7BrO
N,N-Diethyl-3-(trimethoxysilyl)propylamin N,N-Diethyl-3-(trimethoxysilyl)propylamin 41051-80-3 C10H25NO3Si
Aminomethylphenylketonhydrochlorid Aminomethylphenylketonhydrochlorid 5468-37-1 C8H10ClNO
4-Fluoracetophenon 4-Fluoracetophenon 403-42-9 C8H7FO
4'-Cyanacetophenon 4'-Cyanacetophenon 1443-80-7 C9H7NO
Indan-2-on Indan-2-on 615-13-4 C9H8O
Bis(chlormethyl)dimethylsilan Bis(chlormethyl)dimethylsilan 2917-46-6 C4H10Cl2Si
4'-Hydroxyacetophenon 4'-Hydroxyacetophenon 99-93-4 C8H8O2
3'-Chlorpropiophenon 3'-Chlorpropiophenon 34841-35-5 C9H9ClO
1-BENZHYDRYLAZETIDIN-3-ONE 1-BENZHYDRYLAZETIDIN-3-ONE 40320-60-3 C16H15NO
2',5'-Dihydroxyacetophenon 2',5'-Dihydroxyacetophenon 490-78-8 C8H8O3
2-Fluoro-4-methoxyacetophenone 2-Fluoro-4-methoxyacetophenone 74457-86-6 C9H9FO2
4'-Chloracetophenon 4'-Chloracetophenon 99-91-2 C8H7ClO
4-Hydroxybenzophenon 4-Hydroxybenzophenon 1137-42-4 C13H10O2
Triethoxyisobutylsilane Triethoxyisobutylsilane 17980-47-1 C10H24O3Si
2-Methylacetophenon 2-Methylacetophenon 577-16-2 C9H10O
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