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-(2-Aminoethyl)benzenesulfonylfluoride hydrochloride 4-(2-Aminoethyl)benzenesulfonylfluoride hydrochloride 30827-99-7 C8H11ClFNO2S
1-Butyl-3-methylimidazolium bromide 1-Butyl-3-methylimidazolium bromide 85100-77-2 C8H15BrN2
1-Butyl-3-methylimidazolium chloride 1-Butyl-3-methylimidazolium chloride 79917-90-1 C8H15ClN2
1-Ethyl-3-methylimidazolium bromide 1-Ethyl-3-methylimidazolium bromide 65039-08-9 C6H11BrN2
1-Butylpyridinium bromide 1-Butylpyridinium bromide 874-80-6 C9H14BrN
1-Butyl-3-methylimidazolium tetrafluoroborate 1-Butyl-3-methylimidazolium tetrafluoroborate 174501-65-6 C8H15BF4N2
Ethylisothiocyanatoformiat Ethylisothiocyanatoformiat 16182-04-0 C4H5NO2S
Benzylisothiocyanat Benzylisothiocyanat 622-78-6 C8H7NS
Ethylisothiocyanat Ethylisothiocyanat 542-85-8 C3H5NS
4-Fluorphenylisothiocyanat 4-Fluorphenylisothiocyanat 1544-68-9 C7H4FNS
Side chain for imipenem Side chain for imipenem 90776-58-2 C14H27NO4Si
2-(Trimethylsiloxy)-1,3-butadiene 2-(Trimethylsiloxy)-1,3-butadiene 38053-91-7 C7H14OSi
2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctan 2,2,7,7-Tetramethyl-3,6-dioxa-2,7-disilaoctan 7381-30-8 C8H22O2Si2
DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) DI-TERT-BUTYLSILYL BIS(TRIFLUOROMETHANESULFONATE) 85272-31-7 C10H18F6O6S2Si
(1-ETHOXYCYCLOPROPOXY)TRIMETHYLSILANE (1-ETHOXYCYCLOPROPOXY)TRIMETHYLSILANE 27374-25-0 C8H18O2Si
[3-(Trimethoxysilyl)propyl]harnstoff [3-(Trimethoxysilyl)propyl]harnstoff 23843-64-3 C7H18N2O4Si
Tetrapropylorthosilicat Tetrapropylorthosilicat 682-01-9 C12H28O4Si
N-(3-(Triethoxysilyl)propyl)ethy-lendiamin N-(3-(Triethoxysilyl)propyl)ethy-lendiamin 5089-72-5 C11H28N2O3Si
4-ISOPROPYL-3-THIOSEMICARBAZIDE 4-ISOPROPYL-3-THIOSEMICARBAZIDE 13431-36-2 C4H11N3S
Propyl-2-thioharnstoff Propyl-2-thioharnstoff 927-67-3 C4H10N2S
Fluoro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate Fluoro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate 164298-23-1 C5H12F7N2P
1-(3-HYDROXYPHENYL)-2-THIOUREA 1-(3-HYDROXYPHENYL)-2-THIOUREA 3394-05-6 C7H8N2OS
Tetramethylharnstoff Tetramethylharnstoff 632-22-4 C5H12N2O
1-ADAMANTYLTHIOUREA 1-ADAMANTYLTHIOUREA 25444-82-0 C11H18N2S
1-Amidino-2-thioharnstoff 1-Amidino-2-thioharnstoff 2114-02-5 C2H6N4S
N-Phenylharnstoff N-Phenylharnstoff 64-10-8 C7H8N2O
4-Ethoxyphenylthioharnstoff 4-Ethoxyphenylthioharnstoff 880-29-5 C9H12N2OS
4-(2-METHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(2-METHYLPHENYL)-3-THIOSEMICARBAZIDE 614-10-8 C8H11N3S
1,3-Diphenylharnstoff 1,3-Diphenylharnstoff 102-07-8 C13H12N2O
[3-(Triethoxysilyl)propyl]harnstoff [3-(Triethoxysilyl)propyl]harnstoff 23779-32-0 C10H24N2O4Si
N-Allylthioharnstoff N-Allylthioharnstoff 109-57-9 C4H8N2S
4-(2,4-DICHLOROPHENYL)-3-THIOSEMICARBAZIDE 4-(2,4-DICHLOROPHENYL)-3-THIOSEMICARBAZIDE 13124-11-3 C7H7Cl2N3S
Imidazolidinyl urea Imidazolidinyl urea 39236-46-9 C11H16N8O8
4-PHENOXYPHENYLTHIOUREA 4-PHENOXYPHENYLTHIOUREA 76839-21-9 C13H12N2OS
Tetraethylammoniumhydroxid Tetraethylammoniumhydroxid 77-98-5 C8H21NO
Triethoxysilan Triethoxysilan 998-30-1 C6H16O3Si
1-BENZOYL-3-PHENYL-2-THIOUREA 1-BENZOYL-3-PHENYL-2-THIOUREA 4921-82-8 C14H12N2OS
1-(3-NITROPHENYL)-2-THIOUREA 1-(3-NITROPHENYL)-2-THIOUREA 709-72-8 C7H7N3O2S
2-Chloropyrimidine-4-carboxylic acid 2-Chloropyrimidine-4-carboxylic acid 149849-92-3 C5H3ClN2O2
Triethylsilyltrifluoromethansulfonat Triethylsilyltrifluoromethansulfonat 79271-56-0 C7H15F3O3SSi
(3-Bromophenyl)thiourea (3-Bromophenyl)thiourea 21327-14-0 C7H7BrN2S
1,1-Diphenylthioharnstoff 1,1-Diphenylthioharnstoff 3898-08-6 C13H12N2S
(3-Chlorpropyl)dimethoxymethylsilan (3-Chlorpropyl)dimethoxymethylsilan 18171-19-2 C6H15ClO2Si
(4-CHLORO-3-TRIFLUOROMETHYL)PHENYLTHIOUREA (4-CHLORO-3-TRIFLUOROMETHYL)PHENYLTHIOUREA 207919-03-7 C8H6ClF3N2S
Imidazolidin-2-thion Imidazolidin-2-thion 96-45-7 C3H6N2S
Dodecyltrimethoxysilan Dodecyltrimethoxysilan 3069-21-4 C15H34O3Si
1,1,1,3,5,5,5-Heptamethyltrisiloxan 1,1,1,3,5,5,5-Heptamethyltrisiloxan 1873-88-7 C7H22O2Si3
Biuret Biuret 108-19-0 C2H5N3O2
1-(4-(TRIFLUOROMETHOXY)PHENYL)-2-THIOUREA 1-(4-(TRIFLUOROMETHOXY)PHENYL)-2-THIOUREA 142229-74-1 C8H7F3N2OS
N-Nitro-S-methyl isothiourea N-Nitro-S-methyl isothiourea 2986-25-6 C2H5N3O2S
1-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-2-THIOUREA 1-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-2-THIOUREA 175277-17-5 C9H6F6N2S
TETRA-N-BUTYLAMMONIUM DIHYDROGENTRIFLUORIDE TETRA-N-BUTYLAMMONIUM DIHYDROGENTRIFLUORIDE 99337-56-1 C16H38F3N
2,5-DICHLOROPHENYLTHIOUREA 2,5-DICHLOROPHENYLTHIOUREA 4949-85-3 C7H6Cl2N2S
Diphenyl(2,4,6-trimethylbenzoyl)phosphinoxid Diphenyl(2,4,6-trimethylbenzoyl)phosphinoxid 75980-60-8 C22H21O2P
4-PYRIDYLTHIOUREA 4-PYRIDYLTHIOUREA 164670-44-4 C6H7N3S
3,5-DICHLOROPHENYLTHIOUREA 3,5-DICHLOROPHENYLTHIOUREA 107707-33-5 C7H6Cl2N2S
4-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-3-THIOSEMICARBAZIDE 4-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-3-THIOSEMICARBAZIDE 38901-31-4 C9H7F6N3S
1-TERT-BUTYL-2-THIOUREA 1-TERT-BUTYL-2-THIOUREA 7204-48-0 C5H12N2S
N,N'-DI-N-PROPYLTHIOUREA N,N'-DI-N-PROPYLTHIOUREA 26536-60-7 C7H16N2S
(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZENE (4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZENE 24388-23-6 C12H17BO2
1-OCTYL-2-THIOUREA 1-OCTYL-2-THIOUREA 13281-03-3 C9H20N2S
1-Methyl-1-phenylthioharnstoff 1-Methyl-1-phenylthioharnstoff 4104-75-0 C8H10N2S
Tetramethylthioharnstoff Tetramethylthioharnstoff 2782-91-4 C5H12N2S
1,3-[Di-tert-butyl]thioharnstoff 1,3-[Di-tert-butyl]thioharnstoff 4041-95-6 C9H20N2S
Sulisobenzon Sulisobenzon 4065-45-6 C14H12O6S
N-HEXYLTHIOUREA N-HEXYLTHIOUREA 21071-27-2 C7H16N2S
1-Phenylthiosemicarbazid 1-Phenylthiosemicarbazid 645-48-7 C7H9N3S
2-PHENYLETHYLTHIOUREA 2-PHENYLETHYLTHIOUREA 6815-00-5 C9H12N2S
4-(2,6-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(2,6-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 71058-35-0 C9H13N3S
(2-CHLORO-5-TRIFLUOROMETHYL)PHENYLTHIOUREA (2-CHLORO-5-TRIFLUOROMETHYL)PHENYLTHIOUREA 21714-35-2 C8H6ClF3N2S
5-CHLORO-2-METHOXYPHENYLTHIOUREA 5-CHLORO-2-METHOXYPHENYLTHIOUREA 63980-69-8 C8H9ClN2OS
β,β'-Dihydroxypiperazin-1,4-dipropansulfonsure β,β'-Dihydroxypiperazin-1,4-dipropansulfonsure 68189-43-5 C10H22N2O8S2
5-FLUORO-2-METHYLPHENYLTHIOUREA 5-FLUORO-2-METHYLPHENYLTHIOUREA 16822-86-9 C8H9FN2S
Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate 171364-80-0 C14H19BO4
3-Pyridylthioharnstoff 3-Pyridylthioharnstoff 30162-37-9 C6H7N3S
4-Methylthiosemicarbazid 4-Methylthiosemicarbazid 6610-29-3 C2H7N3S
3-CHLOROPHENYLTHIOUREA 3-CHLOROPHENYLTHIOUREA 4947-89-1 C7H7ClN2S
m-Tolyl-2-thioharnstoff m-Tolyl-2-thioharnstoff 621-40-9 C8H10N2S
3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENOL 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENOL 214360-76-6 C12H17BO3
4-(4-BROMOPHENYL)-3-THIOSEMICARBAZIDE 4-(4-BROMOPHENYL)-3-THIOSEMICARBAZIDE 2646-31-3 C7H8BrN3S
Tripropylborat Tripropylborat 688-71-1 C9H21BO3
1-(2,5-DIMETHOXYPHENYL)-2-THIOUREA 1-(2,5-DIMETHOXYPHENYL)-2-THIOUREA 67617-98-5 C9H12N2O2S
1-CYCLOHEXYL-2-THIOUREA 1-CYCLOHEXYL-2-THIOUREA 5055-72-1 C7H14N2S
1-(3-ACETYLPHENYL)-2-THIOUREA 1-(3-ACETYLPHENYL)-2-THIOUREA 86801-04-9 C9H10N2OS
1-BENZOYL-3-(2-PYRIDYL)-2-THIOUREA 1-BENZOYL-3-(2-PYRIDYL)-2-THIOUREA 4921-86-2 C13H11N3OS
4-(4-CHLOROPHENYL)-3-THIOSEMICARBAZIDE 4-(4-CHLOROPHENYL)-3-THIOSEMICARBAZIDE 22814-92-2 C7H8ClN3S
2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1195-66-0 C7H15BO3
1-[p-(Dimethylamino)phenyl]thioharnstoff 1-[p-(Dimethylamino)phenyl]thioharnstoff 22283-43-8 C9H13N3S
Allylboronic acid pinacol ester Allylboronic acid pinacol ester 72824-04-5 C9H17BO2
3-Carboxyphenylboronic acid pinacol ester 3-Carboxyphenylboronic acid pinacol ester 269409-73-6 C13H17BO4
4-(4-FLUOROPHENYL)-3-THIOSEMICARBAZIDE 4-(4-FLUOROPHENYL)-3-THIOSEMICARBAZIDE 330-94-9 C7H8FN3S
MES monohydrate MES monohydrate 145224-94-8 C6H15NO5S
1-(2,4-DIMETHOXYPHENYL)-2-THIOUREA 1-(2,4-DIMETHOXYPHENYL)-2-THIOUREA 35696-77-6 C9H12N2O2S
Trimethylthioharnstoff Trimethylthioharnstoff 2489-77-2 C4H10N2S
1-(2,4-DIMETHYLPHENYL)-2-THIOUREA 1-(2,4-DIMETHYLPHENYL)-2-THIOUREA 16738-20-8 C9H12N2S
1,3-(di-p-tolyl)thioharnstoff 1,3-(di-p-tolyl)thioharnstoff 621-01-2 C15H16N2S
1,3-Diphenyl-2-thioharnstoff 1,3-Diphenyl-2-thioharnstoff 102-08-9 C13H12N2S
1,4-DIPHENYL-3-THIOSEMICARBAZIDE 1,4-DIPHENYL-3-THIOSEMICARBAZIDE 1768-59-8 C13H13N3S
4-(2,4-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(2,4-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 66298-09-7 C9H13N3S
1-(2-FURFURYL)-2-THIOUREA 1-(2-FURFURYL)-2-THIOUREA 56541-07-2 C6H8N2OS
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