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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-(Diethylamino)salicylaldehyd 4-(Diethylamino)salicylaldehyd 17754-90-4 C11H15NO2
2-Tolualdehyd 2-Tolualdehyd 529-20-4 C8H8O
4-Difluoromethoxy-3-hydroxybenzaldehyde 4-Difluoromethoxy-3-hydroxybenzaldehyde 151103-08-1 C8H6F2O3
Benzoylformaldehyd Benzoylformaldehyd 1074-12-0 C8H6O2
4-Ethylbenzaldehyd 4-Ethylbenzaldehyd 4748-78-1 C9H10O
3,5-Dibrom-2-hydroxybenzaldehyd 3,5-Dibrom-2-hydroxybenzaldehyd 90-59-5 C7H4Br2O2
4'-Formylacetanilid 4'-Formylacetanilid 122-85-0 C9H9NO2
2,4-Dimethylbenzaldehyd 2,4-Dimethylbenzaldehyd 15764-16-6 C9H10O
3-Fluoro-4-hydroxybenzaldehyde 3-Fluoro-4-hydroxybenzaldehyde 405-05-0 C7H5FO2
5-Fluorosalicylaldehyde 5-Fluorosalicylaldehyde 347-54-6 C7H5FO2
3,5-Dichlorsalicylaldehyd 3,5-Dichlorsalicylaldehyd 90-60-8 C7H4Cl2O2
3-Bromo-5-chlorosalicylaldehyde 3-Bromo-5-chlorosalicylaldehyde 19652-32-5 C7H4BrClO2
5-FLUORO-2-METHOXYBENZALDEHYDE 5-FLUORO-2-METHOXYBENZALDEHYDE 19415-51-1 C8H7FO2
4-Phenoxybenzaldehyd 4-Phenoxybenzaldehyd 67-36-7 C13H10O2
2-Aminobenzaldehyd 2-Aminobenzaldehyd 529-23-7 C7H7NO
3-Chloro-4-hydroxybenzaldehyde 3-Chloro-4-hydroxybenzaldehyde 2420-16-8 C7H5ClO2
4-Chlor-3-(trifluormethyl)benzaldehyd 4-Chlor-3-(trifluormethyl)benzaldehyd 34328-46-6 C8H4ClF3O
3,5-Dimethylbenzaldehyde 3,5-Dimethylbenzaldehyde 5779-95-3 C9H10O
3-Methylanisol 3-Methylanisol 100-84-5 C8H10O
Butylvinylether Butylvinylether 111-34-2 C6H12O
3-FLUORO-4-METHYLBENZALDEHYDE 3-FLUORO-4-METHYLBENZALDEHYDE 177756-62-6 C8H7FO
5-Bromvanillin 5-Bromvanillin 2973-76-4 C8H7BrO3
BENZYL 3-BROMOPROPYL ETHER BENZYL 3-BROMOPROPYL ETHER 54314-84-0 C10H13BrO
2-Ethoxy-2-methylpropan 2-Ethoxy-2-methylpropan 637-92-3 C6H14O
4-BROMO-2,6-DIMETHYLANISOLE 4-BROMO-2,6-DIMETHYLANISOLE 14804-38-7 C9H11BrO
2,6-Dimethoxybenzaldehyde 2,6-Dimethoxybenzaldehyde 3392-97-0 C9H10O3
1,2-Epoxy-3-phenoxypropan 1,2-Epoxy-3-phenoxypropan 122-60-1 C9H10O2
4-(Trifluoromethoxy)anisole 4-(Trifluoromethoxy)anisole 710-18-9 C8H7F3O2
3-Formylbenzoesure 3-Formylbenzoesure 619-21-6 C8H6O3
4-Hydroxy-2-methoxybenzaldehyde 4-Hydroxy-2-methoxybenzaldehyde 18278-34-7 C8H8O3
3,5-Dibenzyloxybenzaldehyde 3,5-Dibenzyloxybenzaldehyde 14615-72-6 C21H18O3
2-FLUORO-5-METHOXYBENZALDEHYDE 2-FLUORO-5-METHOXYBENZALDEHYDE 105728-90-3 C8H7FO2
2-HYDROXY-3-METHYLBENZALDEHYDE 2-HYDROXY-3-METHYLBENZALDEHYDE 824-42-0 C8H8O2
Diethoxymethan Diethoxymethan 462-95-3 C5H12O2
6-Brom-3,4-dimethoxybenzaldehyd 6-Brom-3,4-dimethoxybenzaldehyd 5392-10-9 C9H9BrO3
Phenetol Phenetol 103-73-1 C8H10O
2,3-Epoxy-1-propanol 2,3-Epoxy-1-propanol 556-52-5 C3H6O2
2,6-Dimethyl-4-hydroxybenzaldehyde 2,6-Dimethyl-4-hydroxybenzaldehyde 70547-87-4 C9H10O2
	Triethylene glycol dimethyl ether Triethylene glycol dimethyl ether 112-49-2 C8H18O4
2-Methylanisol 2-Methylanisol 578-58-5 C8H10O
3-Methyl-4-nitroanisol 3-Methyl-4-nitroanisol 5367-32-8 C8H9NO3
1,1,2-Trimethoxyethan 1,1,2-Trimethoxyethan 24332-20-5 C5H12O3
4-Brom-3-nitroanisol 4-Brom-3-nitroanisol 5344-78-5 C7H6BrNO3
2-FLUORO-5-(TRIFLUOROMETHYL)BENZALDEHYDE 2-FLUORO-5-(TRIFLUOROMETHYL)BENZALDEHYDE 146137-78-2 C8H4F4O
4-(4-Chlorphenoxy)anilin 4-(4-Chlorphenoxy)anilin 101-79-1 C12H10ClNO
2-Bromo-4-chloroanisole 2-Bromo-4-chloroanisole 60633-25-2 C7H6BrClO
(2S)-(+)-Glycidyl tosylate (2S)-(+)-Glycidyl tosylate 70987-78-9 C10H12O4S
1,4,7,10-Tetraoxacyclododecan 1,4,7,10-Tetraoxacyclododecan 294-93-9 C8H16O4
Diphenyldiselenid Diphenyldiselenid 1666-13-3 C12H10Se2
1,2-Diethoxyethan 1,2-Diethoxyethan 629-14-1 C6H14O2
Diethylene Glycol Dibutyl Ether Diethylene Glycol Dibutyl Ether 112-73-2 C12H26O3
3-(Trifluormethyl)anisol 3-(Trifluormethyl)anisol 454-90-0 C8H7F3O
Ethylethinylether Ethylethinylether 927-80-0 C4H6O
2-Bromethylethylether 2-Bromethylethylether 592-55-2 C4H9BrO
Hexahydrophthalimid Hexahydrophthalimid 1444-94-6 C8H11NO2
4-Bromphenylphenylether 4-Bromphenylphenylether 101-55-3 C12H9BrO
Isobutylbenzol Isobutylbenzol 538-93-2 C10H14
2-BROMOBENZYLAMINE 2-BROMOBENZYLAMINE 3959-05-5 C7H8BrN
m-Aminobenzamid m-Aminobenzamid 3544-24-9 C7H8N2O
Benzyl 2-bromoethyl ether Benzyl 2-bromoethyl ether 1462-37-9 C9H11BrO
3-Iodanisol 3-Iodanisol 766-85-8 C7H7IO
Bis(4-bromphenyl)ether Bis(4-bromphenyl)ether 2050-47-7 C12H8Br2O
2-Chlor-N,N-dimethylacetamid 2-Chlor-N,N-dimethylacetamid 2675-89-0 C4H8ClNO
Oxamid Oxamid 471-46-5 C2H4N2O2
4-Fluoro-2-nitroanisole 4-Fluoro-2-nitroanisole 445-83-0 C7H6FNO3
N-(Hydroxymethyl)acrylamid N-(Hydroxymethyl)acrylamid 924-42-5 C4H7NO2
4'-Chloracetanilid 4'-Chloracetanilid 539-03-7 C8H8ClNO
1-Allyloxy-2,3-epoxy-propan 1-Allyloxy-2,3-epoxy-propan 106-92-3 C6H10O2
2-Chlorethylethylether 2-Chlorethylethylether 628-34-2 C4H9ClO
N-Methyl-4-anisidin N-Methyl-4-anisidin 5961-59-1 C8H11NO
Phenyloxiran Phenyloxiran 96-09-3 C8H8O
Diethylene glycol diethyl ether Diethylene glycol diethyl ether 112-36-7 C8H18O3
N-(1,1-Dimethyl-3-oxo-butyl)-2-propenamid N-(1,1-Dimethyl-3-oxo-butyl)-2-propenamid 2873-97-4 C9H15NO2
2,3,5,6,8,9,11,12-Octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin 2,3,5,6,8,9,11,12-Octahydro-1,4,7,10,13-benzopentaoxacyclopentadecin 14098-44-3 C14H20O5
Ethyl-1,3-dihydro-1,3-dioxo-2H-isoindol-2-carboxylat Ethyl-1,3-dihydro-1,3-dioxo-2H-isoindol-2-carboxylat 22509-74-6 C11H9NO4
Triphenylmethan Triphenylmethan 519-73-3 C19H16
N,N-Diethylformamid N,N-Diethylformamid 617-84-5 C5H11NO
2-Isopropoxy-ethanol 2-Isopropoxy-ethanol 109-59-1 C5H12O2
4'-Methoxyacetanilid 4'-Methoxyacetanilid 51-66-1 C9H11NO2
4,4'-Oxydiphthalic anhydride 4,4'-Oxydiphthalic anhydride 1823-59-2 C16H6O7
2,2,2-Trichloracetamid 2,2,2-Trichloracetamid 594-65-0 C2H2Cl3NO
4'-(TRIFLUOROMETHOXY)ACETANILIDE 4'-(TRIFLUOROMETHOXY)ACETANILIDE 1737-06-0 C9H8F3NO2
(2-Methoxymethylethoxy)propanol (2-Methoxymethylethoxy)propanol 34590-94-8 C7H16O3
2-Iodanisol 2-Iodanisol 529-28-2 C7H7IO
4-Fluorbenzamid 4-Fluorbenzamid 824-75-9 C7H6FNO
2-CHLORO-N-METHOXY-N-METHYLACETAMIDE 2-CHLORO-N-METHOXY-N-METHYLACETAMIDE 67442-07-3 C4H8ClNO2
2-Methoxybenzylamin 2-Methoxybenzylamin 6850-57-3 C8H11NO
(S)-(+)-Benzyl glycidyl ether (S)-(+)-Benzyl glycidyl ether 16495-13-9 C10H12O2
Diethylcarbamoylchlorid Diethylcarbamoylchlorid 88-10-8 C5H10ClNO
4-(Trifluoromethyl)thiobenzamide 4-(Trifluoromethyl)thiobenzamide 72505-21-6 C8H6F3NS
2-Chloranisol 2-Chloranisol 766-51-8 C7H7ClO
2-BROMOACETAMIDE 2-BROMOACETAMIDE 683-57-8 C2H4BrNO
Benzo-18-crown-6 Benzo-18-crown-6 14098-24-9 C16H24O6
4'-Aminoacetanilid 4'-Aminoacetanilid 122-80-5 C8H10N2O
2,3-Dichloranisol 2,3-Dichloranisol 1984-59-4 C7H6Cl2O
2-BROMO-4,6-DI-TERT-BUTYLPHENOL 2-BROMO-4,6-DI-TERT-BUTYLPHENOL 20834-61-1 C14H21BrO
Coronen Coronen 191-07-1 C24H12
Methacryls?ureamid Methacryls?ureamid 79-39-0 C4H7NO
Tris(diethylamino)phosphin Tris(diethylamino)phosphin 2283-11-6 C12H30N3P
Acedoben Acedoben 556-08-1 C9H9NO3
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