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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
4,4'-Azoxyanisol 4,4'-Azoxyanisol 1562-94-3 C14H14N2O3
2,2'-[Ethylenbis(oxymethylen)]bisoxiran 2,2'-[Ethylenbis(oxymethylen)]bisoxiran 2224-15-9 C8H14O4
3-Methyl-2-nitroanisol 3-Methyl-2-nitroanisol 5345-42-6 C8H9NO3
1,1'-Oxybis(4-fluorbenzol) 1,1'-Oxybis(4-fluorbenzol) 330-93-8 C12H8F2O
2,3-Dimethylanisol 2,3-Dimethylanisol 2944-49-2 C9H12O
2-(2-Hexyloxyethoxy)ethanol 2-(2-Hexyloxyethoxy)ethanol 112-59-4 C10H22O3
Di(ethylene glycol) vinyl ether Di(ethylene glycol) vinyl ether 929-37-3 C6H12O3
1-Ethoxypropen 1-Ethoxypropen 928-55-2 C5H10O
4,4'-Anisoin 4,4'-Anisoin 119-52-8 C16H16O4
1-Nitro-2-(octyloxy)benzol 1-Nitro-2-(octyloxy)benzol 37682-29-4 C14H21NO3
3-Chlor-2-methylanisol 3-Chlor-2-methylanisol 3260-88-6 C8H9ClO
n-Butylphenylether n-Butylphenylether 1126-79-0 C10H14O
2-(2-(2-Butoxyethoxy)ethoxy)ethanol 2-(2-(2-Butoxyethoxy)ethoxy)ethanol 143-22-6 C10H22O4
1,4-Dibromo-2,5-dimethoxybenzene 1,4-Dibromo-2,5-dimethoxybenzene 2674-34-2 C8H8Br2O2
[(Benzyloxy)methyl]benzol [(Benzyloxy)methyl]benzol 2930-05-4 C10H12O2
2-Propens?ure-2-methoxyethylester 2-Propens?ure-2-methoxyethylester 3121-61-7 C6H10O3
(R)-(+)-Trityl glycidyl ether (R)-(+)-Trityl glycidyl ether 65291-30-7 C22H20O2
Diisopentylether Diisopentylether 544-01-4 C10H22O
Dinatrium-1-amino-2,4-dihydroxy-9,10-dihydro-9,10-dioxoanthracen-3-sulfonat Dinatrium-1-amino-2,4-dihydroxy-9,10-dihydro-9,10-dioxoanthracen-3-sulfonat 6409-77-4 C14H10NNaO7S
p-Butoxybenzaldehyd p-Butoxybenzaldehyd 5736-88-9 C11H14O2
3,5-Di-tert-butyl-4-hydroxybenzylalkohol 3,5-Di-tert-butyl-4-hydroxybenzylalkohol 88-26-6 C15H24O2
6-FLUOROVERATRALDEHYDE 6-FLUOROVERATRALDEHYDE 71924-62-4 C9H9FO3
4-(1-Pyrrolidinyl)benzaldehyd 4-(1-Pyrrolidinyl)benzaldehyd 51980-54-2 C11H13NO
3-Ethoxyphenol 3-Ethoxyphenol 621-34-1 C8H10O2
3-Benzyloxy-4-methoxybenzaldehyde 3-Benzyloxy-4-methoxybenzaldehyde 6346-05-0 C15H14O3
2,3,5,6-TETRAFLUOROANISOLE 2,3,5,6-TETRAFLUOROANISOLE 2324-98-3 C7H4F4O
2-tert-Butyl-4-methoxyphenol 2-tert-Butyl-4-methoxyphenol 121-00-6 C11H16O2
2-CHLORO-6-HYDROXYBENZALDEHYDE 2-CHLORO-6-HYDROXYBENZALDEHYDE 18362-30-6 C7H5ClO2
4-METHOXY-3-NITROBENZALDEHYDE 4-METHOXY-3-NITROBENZALDEHYDE 31680-08-7 C8H7NO4
2-Benzyloxybenzaldehyde 2-Benzyloxybenzaldehyde 5896-17-3 C14H12O2
(R)-(-)-Methyl glycidyl ether (R)-(-)-Methyl glycidyl ether 64491-70-9 C4H8O2
Diphenylacetaldehyd Diphenylacetaldehyd 947-91-1 C14H12O
3-Bromphenetol 3-Bromphenetol 2655-84-7 C8H9BrO
2-FLUORO-3-METHOXYBENZALDEHYDE 2-FLUORO-3-METHOXYBENZALDEHYDE 103438-88-6 C8H7FO2
4-CHLORO-2-METHYLBENZALDEHYDE 4-CHLORO-2-METHYLBENZALDEHYDE 40137-29-9 C8H7ClO
2-BROMOBENZALDEHYDE DIETHYL ACETAL 2-BROMOBENZALDEHYDE DIETHYL ACETAL 35822-58-3 C11H15BrO2
3-Chlor-p-anisaldehyd 3-Chlor-p-anisaldehyd 4903-09-7 C8H7ClO2
(S)-(-)-Trityl glycidyl ether (S)-(-)-Trityl glycidyl ether 129940-50-7 C22H20O2
6-Bromopiperonal 6-Bromopiperonal 15930-53-7 C8H5BrO3
Methyl 2-formylbenzoate Methyl 2-formylbenzoate 4122-56-9 C9H8O3
2,3,6-Trichlorbenzaldehyd 2,3,6-Trichlorbenzaldehyd 4659-47-6 C7H3Cl3O
3-Chlor-1,1-diethoxypropan 3-Chlor-1,1-diethoxypropan 35573-93-4 C7H15ClO2
4-(TRIFLUOROMETHYLTHIO)BENZALDEHYDE 4-(TRIFLUOROMETHYLTHIO)BENZALDEHYDE 4021-50-5 C8H5F3OS
4-Isobutylbenzaldehyde 4-Isobutylbenzaldehyde 40150-98-9 C11H14O
β-Chlorphenetol β-Chlorphenetol 622-86-6 C8H9ClO
4-BROMOBENZALDEHYDE DIETHYL ACETAL 4-BROMOBENZALDEHYDE DIETHYL ACETAL 34421-94-8 C11H15BrO2
4-(Vinyloxy)butan-1-ol 4-(Vinyloxy)butan-1-ol 17832-28-9 C6H12O2
3-BROMOBENZALDEHYDE DIETHYL ACETAL 3-BROMOBENZALDEHYDE DIETHYL ACETAL 75148-49-1 C11H15BrO2
2-Hydroxy-5-methylisophthalaldehyd 2-Hydroxy-5-methylisophthalaldehyd 7310-95-4 C9H8O3
2-IODOBENZALDEHYDE 2-IODOBENZALDEHYDE 26260-02-6 C7H5IO
3-Nitrosalicylaldehyd 3-Nitrosalicylaldehyd 5274-70-4 C7H5NO4
2-Bromo-4-methylbenzaldehyde 2-Bromo-4-methylbenzaldehyde 824-54-4 C8H7BrO
2-Amino-5-chlorobenzaldehyde 2-Amino-5-chlorobenzaldehyde 20028-53-9 C7H6ClNO
3-Methoxyphenylhydrazine hydrochloride 3-Methoxyphenylhydrazine hydrochloride 39232-91-2 C7H11ClN2O
(2H4)Methanol (2H4)Methanol 811-98-3 CD4O
2-ALLYLOXYBENZALDEHYDE 2-ALLYLOXYBENZALDEHYDE 28752-82-1 C10H10O2
2-Iod-2-methylpropan 2-Iod-2-methylpropan 558-17-8 C4H9I
2-Chlorethylchlorformiat 2-Chlorethylchlorformiat 627-11-2 C3H4Cl2O2
4-N-PROPOXYBENZALDEHYDE 4-N-PROPOXYBENZALDEHYDE 5736-85-6 C10H12O2
Propionylbromid Propionylbromid 598-22-1 C3H5BrO
Dichlor(2H2)methan Dichlor(2H2)methan 1665-00-5 CCl2D2
2-Chlorveratrumaldehyd 2-Chlorveratrumaldehyd 5417-17-4 C9H9ClO3
(2H)Chlorform (2H)Chlorform 865-49-6 CCl3D
1,8-Diiodoctan 1,8-Diiodoctan 24772-63-2 C8H16I2
4-Formylphenylacetat 4-Formylphenylacetat 878-00-2 C9H8O3
1-Chlordecan 1-Chlordecan 1002-69-3 C10H21Cl
4-Benzyloxy-3-methoxybenzaldehyd 4-Benzyloxy-3-methoxybenzaldehyd 2426-87-1 C15H14O3
3-Bromo-3,3-difluoropropene 3-Bromo-3,3-difluoropropene 420-90-6 C3H3BrF2
Sebacoyldichlorid Sebacoyldichlorid 111-19-3 C10H16Cl2O2
Trifluoressig[2H]sure Trifluoressig[2H]sure 599-00-8 C2DF3O2
m-Ethoxybenzaldehyd m-Ethoxybenzaldehyd 22924-15-8 C9H10O2
2,4,6-Trihydroxybenzaldehyd 2,4,6-Trihydroxybenzaldehyd 487-70-7 C7H6O4
3-Methoxy-2-nitrobenzaldehyd 3-Methoxy-2-nitrobenzaldehyd 53055-05-3 C8H7NO4
4-FLUORO-3-NITROBENZALDEHYDE 4-FLUORO-3-NITROBENZALDEHYDE 42564-51-2 C7H4FNO3
5-BroMo-3-nitrosalicylaldehyde 5-BroMo-3-nitrosalicylaldehyde 16634-88-1 C7H4BrNO4
2-Fluoro-6-methoxybenzaldehyde 2-Fluoro-6-methoxybenzaldehyde 146137-74-8 C8H7FO2
3-Ethoxysalicylaldehyd 3-Ethoxysalicylaldehyd 492-88-6 C9H10O3
3,4-Bis(benzyloxy)benzaldehyd 3,4-Bis(benzyloxy)benzaldehyd 5447-02-9 C21H18O3
p-Butylbenzaldehyd p-Butylbenzaldehyd 1200-14-2 C11H14O
2,4,5-TRIHYDROXYBENZALDEHYDE 2,4,5-TRIHYDROXYBENZALDEHYDE 35094-87-2 C7H6O4
[2H3]Acetonitril [2H3]Acetonitril 2206-26-0 C2D3N
4-Hydroxyisophthalaldehyde 4-Hydroxyisophthalaldehyde 3328-70-9 C8H6O3
Methyl-chlorformiat Methyl-chlorformiat 79-22-1 C2H3ClO2
4-(DIETHOXYMETHYL)BENZALDEHYDE 4-(DIETHOXYMETHYL)BENZALDEHYDE 81172-89-6 C12H16O3
Trifluoromethyl iodide Trifluoromethyl iodide 2314-97-8 CF3I
4-Brombutylphenylether 4-Brombutylphenylether 1200-03-9 C10H13BrO
3-METHOXY-4-METHYLBENZALDEHYDE 3-METHOXY-4-METHYLBENZALDEHYDE 24973-22-6 C9H10O2
Ethylidintrimethanol Ethylidintrimethanol 77-85-0 C5H12O3
(2H6)Aceton (2H6)Aceton 666-52-4 C3D6O
3,3,3-TRIFLUORO-1-PROPANOL 3,3,3-TRIFLUORO-1-PROPANOL 2240-88-2 C3H5F3O
1,1,1,5,5,5-Hexafluorpentan-2,4-dion 1,1,1,5,5,5-Hexafluorpentan-2,4-dion 1522-22-1 C5H2F6O2
Di[(2H3)methyl]sulfoxid Di[(2H3)methyl]sulfoxid 2206-27-1 C2D6OS
2,3,5-Trichlorobenzaldehyde 2,3,5-Trichlorobenzaldehyde 56961-75-2 C7H3Cl3O
3-Nitro-p-tolualdehyd 3-Nitro-p-tolualdehyd 31680-07-6 C8H7NO3
[2H3]Essig[2H]sure [2H3]Essig[2H]sure 1186-52-3 C2D4O2
4-Ethoxy-3-methoxybenzaldehyd 4-Ethoxy-3-methoxybenzaldehyd 120-25-2 C10H12O3
3-Ethoxy-4-methoxybenzaldehyde 3-Ethoxy-4-methoxybenzaldehyde 1131-52-8 C10H12O3
1-Chlorheptan 1-Chlorheptan 629-06-1 C7H15Cl
Ethyl-2,5-dichlorbenzoat Ethyl-2,5-dichlorbenzoat 35112-27-7 C9H8Cl2O2
[2H4]Tetrahydro[2H4]furan [2H4]Tetrahydro[2H4]furan 1693-74-9 C4D8O
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