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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
Hydrogen-4-[[4-(ethylamino)-m-tolyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-yliden]methyl]benzol-1,3-disulfonatnatrium Hydrogen-4-[[4-(ethylamino)-m-tolyl][4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-yliden]methyl]benzol-1,3-disulfonatnatrium 2650-17-1 C25H29N2NaO6S2
Pivalonitril Pivalonitril 630-18-2 C5H9N
Dimethylcyanamid Dimethylcyanamid 1467-79-4 C3H6N2
3-Brompropiononitril 3-Brompropiononitril 2417-90-5 C3H4BrN
1,2,4,5-TETRACYANOBENZENE 1,2,4,5-TETRACYANOBENZENE 712-74-3 C10H2N4
6-Bromhexanonitril 6-Bromhexanonitril 6621-59-6 C6H10BrN
Benzylisocyanid Benzylisocyanid 10340-91-7 C8H7N
3,3'-Iminodipropiononitril 3,3'-Iminodipropiononitril 111-94-4 C6H9N3
Octannitril Octannitril 124-12-9 C8H15N
3-(2-Bromoacetyl)benzonitrile 3-(2-Bromoacetyl)benzonitrile 50916-55-7 C9H6BrNO
2,4,5,6-Tetrafluoroisophthalonitrile 2,4,5,6-Tetrafluoroisophthalonitrile 2377-81-3 C8F4N2
3-Butoxypropiononitril 3-Butoxypropiononitril 6959-71-3 C7H13NO
2-Bromo-2',4'-difluoroacetophenone 2-Bromo-2',4'-difluoroacetophenone 102429-07-2 C8H5BrF2O
2'-Fluoro-4'-hydroxyacetophenone 2'-Fluoro-4'-hydroxyacetophenone 98619-07-9 C8H7FO2
3-BROMOPHENACYL BROMIDE 3-BROMOPHENACYL BROMIDE 18523-22-3 C8H6Br2O
2',4'-Difluoropropiophenone 2',4'-Difluoropropiophenone 85068-30-0 C9H8F2O
1-[4-(1-Methylethyl)phenyl]ethan-1-on 1-[4-(1-Methylethyl)phenyl]ethan-1-on 645-13-6 C11H14O
3,3'-BIS(TRIFLUOROMETHYL)BENZOPHENONE 3,3'-BIS(TRIFLUOROMETHYL)BENZOPHENONE 1868-00-4 C15H8F6O
4'-Ethylpropiophenone 4'-Ethylpropiophenone 27465-51-6 C11H14O
1-Phenyl-2-(phenylsulfonyl)ethan-1-on 1-Phenyl-2-(phenylsulfonyl)ethan-1-on 3406-03-9 C14H12O3S
Cyclopropylphenylketon Cyclopropylphenylketon 3481-02-5 C10H10O
1-(4-Cyclohexylphenyl)ethan-1-on 1-(4-Cyclohexylphenyl)ethan-1-on 18594-05-3 C14H18O
Chalkon Chalkon 94-41-7 C15H12O
3,4-Difluorobenzophenone 3,4-Difluorobenzophenone 85118-07-6 C13H8F2O
Isobutyrophenon Isobutyrophenon 611-70-1 C10H12O
4-Brombenzophenon 4-Brombenzophenon 90-90-4 C13H9BrO
Tetrachlor-o-benzochinon Tetrachlor-o-benzochinon 2435-53-2 C6Cl4O2
4,4'-Bis(dimethylamino)thiobenzophenon 4,4'-Bis(dimethylamino)thiobenzophenon 1226-46-6 C17H20N2S
2,6-Dihydroxyanthrachinon 2,6-Dihydroxyanthrachinon 84-60-6 C14H8O4
2',4'-Dihydroxypropiophenon 2',4'-Dihydroxypropiophenon 5792-36-9 C9H10O3
1-(5-Chlor-2-hydroxyphenyl)ethan-1-on 1-(5-Chlor-2-hydroxyphenyl)ethan-1-on 1450-74-4 C8H7ClO2
1-(α,α,α-Trifluor-m-tolyl)aceton 1-(α,α,α-Trifluor-m-tolyl)aceton 21906-39-8 C10H9F3O
2-Chlorbenzophenon 2-Chlorbenzophenon 5162-03-8 C13H9ClO
1-(3,4-Dimethylphenyl)ethan-1-on 1-(3,4-Dimethylphenyl)ethan-1-on 3637-01-2 C10H12O
4-Aminobenzophenon 4-Aminobenzophenon 1137-41-3 C13H11NO
3,4'-Dichlorpropiophenon 3,4'-Dichlorpropiophenon 3946-29-0 C9H8Cl2O
3,4-Dimethylbenzophenon 3,4-Dimethylbenzophenon 2571-39-3 C15H14O
1-Phenyloctan-1-on 1-Phenyloctan-1-on 1674-37-9 C14H20O
4,4'-Dichlorbenzophenon 4,4'-Dichlorbenzophenon 6284-79-3 C13H8Cl2O
Cyclohexylphenylketon Cyclohexylphenylketon 712-50-5 C13H16O
5-Hydroxy-1,4-naphthochinon 5-Hydroxy-1,4-naphthochinon 481-39-0 C10H6O3
3-Chlorbenzophenon 3-Chlorbenzophenon 1016-78-0 C13H9ClO
Di-p-tolylethandion Di-p-tolylethandion 3457-48-5 C16H14O2
3,4-Dihydroxybenzophenone 3,4-Dihydroxybenzophenone 10425-11-3 C13H10O3
3,3'-DINITROBENZOPHENONE 3,3'-DINITROBENZOPHENONE 21222-05-9 C13H8N2O5
2-Methylbenzophenon 2-Methylbenzophenon 131-58-8 C14H12O
4,4'-Dibrombenzophenon 4,4'-Dibrombenzophenon 3988-03-2 C13H8Br2O
4'-Chlorvalerophenon 4'-Chlorvalerophenon 25017-08-7 C11H13ClO
Hexanophenon Hexanophenon 942-92-7 C12H16O
1-Phenylbutan-1,3-dion 1-Phenylbutan-1,3-dion 93-91-4 C10H10O2
4,4'-Dimethylbenzophenon 4,4'-Dimethylbenzophenon 611-97-2 C15H14O
4,4'-Dimethoxybenzil 4,4'-Dimethoxybenzil 1226-42-2 C16H14O4
3-(Dimethylamino)propiophenonhydrochlorid 3-(Dimethylamino)propiophenonhydrochlorid 879-72-1 C11H16ClNO
2-Chloracetophenon 2-Chloracetophenon 532-27-4 C8H7ClO
N-BUTYLDIMETHYLSILANE N-BUTYLDIMETHYLSILANE 1001-52-1 C6H16Si
4,4'-Diaminobenzophenone 4,4'-Diaminobenzophenone 611-98-3 C13H12N2O
3'-(TRIFLUOROMETHYL)PROPIOPHENONE 3'-(TRIFLUOROMETHYL)PROPIOPHENONE 1533-03-5 C10H9F3O
Trichlor-7-octenylsilan Trichlor-7-octenylsilan 52217-52-4 C8H15Cl3Si
Chlor(3-chlorpropyl)dimethylsilan Chlor(3-chlorpropyl)dimethylsilan 10605-40-0 C5H12Cl2Si
4-Hydroxy-2-methylacetophenon 4-Hydroxy-2-methylacetophenon 875-59-2 C9H10O2
2',4',5'-Trifluoroacetophenone 2',4',5'-Trifluoroacetophenone 129322-83-4 C8H5F3O
4'-Brom-3-chlorpropiophenon 4'-Brom-3-chlorpropiophenon 31736-73-9 C9H8BrClO
1-Phenyldodecan-1-on 1-Phenyldodecan-1-on 1674-38-0 C18H28O
4-Methoxychalkon 4-Methoxychalkon 959-33-1 C16H14O2
1-(2,5-Dimethylphenyl)ethan-1-on 1-(2,5-Dimethylphenyl)ethan-1-on 2142-73-6 C10H12O
2,2-DICHLOROACETOPHENONE 2,2-DICHLOROACETOPHENONE 2648-61-5 C8H6Cl2O
4'-Benzyloxyacetophenone 4'-Benzyloxyacetophenone 54696-05-8 C15H14O2
4-Amino-3-nitrobenzophenon 4-Amino-3-nitrobenzophenon 31431-19-3 C13H10N2O3
1-Phenylheptan-1-on 1-Phenylheptan-1-on 1671-75-6 C13H18O
(3,4-Diaminophenyl)phenylmethanone (3,4-Diaminophenyl)phenylmethanone 39070-63-8 C13H12N2O
7-(Acetyloxy)-4-methyl-2-benzopyron 7-(Acetyloxy)-4-methyl-2-benzopyron 2747-05-9 C12H10O4
4-Ethylacetophenon 4-Ethylacetophenon 937-30-4 C10H12O
2-Bromo-1-indanone 2-Bromo-1-indanone 1775-27-5 C9H7BrO
4-Benzyloxy-3-nitroacetophenone 4-Benzyloxy-3-nitroacetophenone 14347-05-8 C15H13NO4
Siliciumdisulfid Siliciumdisulfid 13759-10-9 S2Si
Cyclobutylphenylketon Cyclobutylphenylketon 5407-98-7 C11H12O
2-Methoxyphenylaceton 2-Methoxyphenylaceton 5211-62-1 C10H12O2
2,3,4-Trihydroxybenzophenon 2,3,4-Trihydroxybenzophenon 1143-72-2 C13H10O4
2-Hydroxyfluoren-9-on 2-Hydroxyfluoren-9-on 6949-73-1 C13H8O2
3',5'-Dichloroacetophenone 3',5'-Dichloroacetophenone 14401-72-0 C8H6Cl2O
4'-Phenoxyacetophenone 4'-Phenoxyacetophenone 5031-78-7 C14H12O2
2',4',6'-Trimethylacetophenon 2',4',6'-Trimethylacetophenon 1667-01-2 C11H14O
1-(4-Butylphenyl)ethan-1-on 1-(4-Butylphenyl)ethan-1-on 37920-25-5 C12H16O
2-Brom-1,2-diphenylethan-1-on 2-Brom-1,2-diphenylethan-1-on 1484-50-0 C14H11BrO
4-METHYL-1-INDANONE 4-METHYL-1-INDANONE 24644-78-8 C10H10O
Celliton Fast Pink B Celliton Fast Pink B 116-85-8 C14H9NO3
2,2-Diethoxy-1-phenylethan-1-on 2,2-Diethoxy-1-phenylethan-1-on 6175-45-7 C12H16O3
p-Methoxypropiophenon p-Methoxypropiophenon 121-97-1 C10H12O2
Bis(dimethylamino)diphenylsilan Bis(dimethylamino)diphenylsilan 1027-62-9 C16H22N2Si
2-Hydroxy-5-methylacetophenon 2-Hydroxy-5-methylacetophenon 1450-72-2 C9H10O2
Trichlor(2-chlorethyl)silan Trichlor(2-chlorethyl)silan 6233-20-1 C2H4Cl4Si
1-[3-(Phenylmethoxy)phenyl]ethan-1-on 1-[3-(Phenylmethoxy)phenyl]ethan-1-on 34068-01-4 C15H14O2
3-Brombenzophenon 3-Brombenzophenon 1016-77-9 C13H9BrO
4-Piperidon 4-Piperidon 41661-47-6 C5H9NO
4'-Bromo-2-phenylacetophenone 4'-Bromo-2-phenylacetophenone 2001-29-8 C14H11BrO
2-Chlor-5-nitrobenzophenon 2-Chlor-5-nitrobenzophenon 34052-37-4 C13H8ClNO3
2-Hydroxybenzophenone 2-Hydroxybenzophenone 117-99-7 C13H10O2
N-[3-(Trimethoxysilyl)propyl]allylamin N-[3-(Trimethoxysilyl)propyl]allylamin 31024-46-1 C9H21NO3Si
Trichlor(dichlorphenyl)silan Trichlor(dichlorphenyl)silan 27137-85-5 C6H3Cl5Si
p-Acetylphenylacetat p-Acetylphenylacetat 13031-43-1 C10H10O3
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