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
3-Mercaptopropiononitril 3-Mercaptopropiononitril 1001-58-7 C3H5NS
5-METHYL-[1,2,4]TRIAZOLO[4,3-A]QUINOLINE-1-THIOL 5-METHYL-[1,2,4]TRIAZOLO[4,3-A]QUINOLINE-1-THIOL 35359-27-4 C11H9N3S
5-(2-CHLORO-PHENYL)-[1,3,4]OXADIAZOLE-2-THIOL 5-(2-CHLORO-PHENYL)-[1,3,4]OXADIAZOLE-2-THIOL 23766-27-0 C8H5ClN2OS
(Butylamino)ethanthiol (Butylamino)ethanthiol 5842-00-2 C6H15NS
3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXANETHIOL 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXANETHIOL 34451-25-7 C6H5F9S
(3-NITROBENZYL)MERCAPTAN  97 (3-NITROBENZYL)MERCAPTAN 97 77472-39-0 O2NC6H4CH2SH
3-METHYL-1-BUTANETHIOL 3-METHYL-1-BUTANETHIOL 16630-56-1 C5H12OS
Pyridazine-3-thiol Pyridazine-3-thiol 28544-77-6 C4H4N2S
Hexan-3-thiol Hexan-3-thiol 1633-90-5 C6H14S
ASISCHEM D51176 ASISCHEM D51176 419540-45-7 C9H9N3OS
5-(4-CHLOROPHENYL)-1-METHYL-1H-IMIDAZOLE-2-THIOL 5-(4-CHLOROPHENYL)-1-METHYL-1H-IMIDAZOLE-2-THIOL 17452-31-2 C10H9ClN2S
Ristianol Ristianol 78092-65-6 C8H11NOS
2-CHLOROPHENYL METHYL SULFONE 2-CHLOROPHENYL METHYL SULFONE 17482-05-2 C7H7ClO2S
THIOFANOX-SULFON PESTANAL  100 MG THIOFANOX-SULFON PESTANAL 100 MG 39184-59-3 C9H18N2O4S
1-BROMOMETHYL-2-[(PHENYLSULFONYL)METHYL]BENZENE 1-BROMOMETHYL-2-[(PHENYLSULFONYL)METHYL]BENZENE 88116-02-3 C14H13BrO2S
Diethylsulfon Diethylsulfon 597-35-3 C4H10O2S
2-(PHENYLSULFONYL)-1 3-CYCLOHEPTADIENE 2-(PHENYLSULFONYL)-1 3-CYCLOHEPTADIENE 118160-44-4 C13H14O2S
3,3',4,4'-TETRACHLORODIPHENYL SULFONE 3,3',4,4'-TETRACHLORODIPHENYL SULFONE 22588-79-0 C12H6Cl4O2S
Mitoguazone Mitoguazone 459-86-9 C5H12N8
FLAVANONE DIACETYL HYDRAZONE FLAVANONE DIACETYL HYDRAZONE C19H18N2O3
1,3-DIISOPROPOXYCALIX[4!ARENECROWN-6, 97 1,3-DIISOPROPOXYCALIX[4!ARENECROWN-6, 97 161282-96-8 C44H54O8
FENTHION-OXON-SULFONE FENTHION-OXON-SULFONE 14086-35-2 C10H15O6PS
METHYLTHIOMETHYL PHENYL SULFONE METHYLTHIOMETHYL PHENYL SULFONE 59431-14-0 C8H10O2S2
1,3-Dichlor-5-(methylsulfonyl)benzol 1,3-Dichlor-5-(methylsulfonyl)benzol 22821-89-2 C7H6Cl2O2S
1,4,7,10,13-PENTAOXACYCLOPENTADECANE-2-METHANAMINE 1,4,7,10,13-PENTAOXACYCLOPENTADECANE-2-METHANAMINE 83585-56-2 C11H23NO5
1-Methyl-3-{3-methyl-4-[4-(trifluormethylsulfinyl)-phenoxy]-phenyl}-1,3,5-triazin-2,4,6(1H,3H,5H)-trion 1-Methyl-3-{3-methyl-4-[4-(trifluormethylsulfinyl)-phenoxy]-phenyl}-1,3,5-triazin-2,4,6(1H,3H,5H)-trion 69004-15-5 C18H14F3N3O5S
N-(TRIPHENYLPHOSPHORANYLIDENE)-1H-BENZOTRIAZOLE-1-METHANAMINE N-(TRIPHENYLPHOSPHORANYLIDENE)-1H-BENZOTRIAZOLE-1-METHANAMINE 124316-00-3 C25H21N4P
1-PROPIOPHENONE TOSYLHYDRAZONE  97 1-PROPIOPHENONE TOSYLHYDRAZONE 97 17336-66-2 C16H18N2O2S
Hydrazonodesoxybenzoin Hydrazonodesoxybenzoin 5344-88-7 C14H12N2O
GLUTARALDEHYDE 2,4-DINITROPHENYLHYDRAZONE GLUTARALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 5085-07-4 C17H16N8O8
Tetracosahydrodibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin Tetracosahydrodibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin 17455-23-1 C24H44O8
(+)-(18-CROWN-6)-2,3,11,12-TETRACARBOXYLIC ACID (+)-(18-CROWN-6)-2,3,11,12-TETRACARBOXYLIC ACID 61696-54-6 C16H24O14
4-(4-Methoxyphenyl)-2(3H)-thiazolone hydrazone 4-(4-Methoxyphenyl)-2(3H)-thiazolone hydrazone 4871-25-4 C10H11N3OS
Pyridin-2-carboximidohydrazid Pyridin-2-carboximidohydrazid 1005-02-3 C6H8N4
2,3-NAPHTHO-15-CROWN-5 2,3-NAPHTHO-15-CROWN-5 17454-47-6 C18H22O5
TETRAMETHYLENE-D8 SULFONE TETRAMETHYLENE-D8 SULFONE 51219-88-6 C4D8O2S
1,1-BIS(PHENYLSULFONYL)ETHYLENE 1,1-BIS(PHENYLSULFONYL)ETHYLENE 39082-53-6 C14H12O4S2
1-METHYL-2-[(PHENYLSULFONYL)METHYL]BENZENE 1-METHYL-2-[(PHENYLSULFONYL)METHYL]BENZENE 71996-48-0 C14H14O2S
4-Aminobenzo-15-crown-5 hydrochloride 4-Aminobenzo-15-crown-5 hydrochloride 111076-66-5 C14H21NO5.ClH
1-PHENYLBUTANONE-TOSYLHYDRAZONE  97 1-PHENYLBUTANONE-TOSYLHYDRAZONE 97 41780-81-8 C17H20N2O2S
Dibenzylsulfon Dibenzylsulfon 620-32-6 C14H14O2S
4'-Aminobenzo-18-crown-6 4'-Aminobenzo-18-crown-6 68941-06-0 C16H25NO6
DL-ETHIONINE SULFOXIDE DL-ETHIONINE SULFOXIDE 15785-31-6 C6H13NO3S
BENZOPHENONE TOSYLHYDRAZONE  97 BENZOPHENONE TOSYLHYDRAZONE 97 4545-20-4 C20H18N2O2S
3-CHLORO-4,4,4-TRIFLUORO-2-BUTENYL PHENYL SULPHONE 3-CHLORO-4,4,4-TRIFLUORO-2-BUTENYL PHENYL SULPHONE 191591-43-2 C10H8ClF3O2S
P-TOLUENESULFONYL ACETONE HYDRAZONE P-TOLUENESULFONYL ACETONE HYDRAZONE C10H14N2O2S
THIOFANOX-SULFOXIDE PESTANAL  100 MG THIOFANOX-SULFOXIDE PESTANAL 100 MG 39184-27-5 C9H18N2O3S
4',4''(5'')-Di-tert-butyldibenzo-18-crown-6 4',4''(5'')-Di-tert-butyldibenzo-18-crown-6 29471-17-8 C28H40O6
Nebidrazine Nebidrazine 55248-23-2 C9H8Cl2N6
Tetradecahydro-1,4,7,10,13-benzopentaoxacyclopentadecin Tetradecahydro-1,4,7,10,13-benzopentaoxacyclopentadecin 17454-48-7 C14H26O5
VALEROPHENONE TOSYLHYDRAZONE  MIXTURE O& VALEROPHENONE TOSYLHYDRAZONE MIXTURE O& 69015-74-3 C18H22N2O2S
Montelukast Sulfoxide(Mixture of diastereomers) Montelukast Sulfoxide (Mixture of diastereomers) 909849-96-3 C35H36ClNO4S
Acetonazin Acetonazin 627-70-3 C6H12N2
VAMIDOTHION-SULFONE VAMIDOTHION-SULFONE 70898-34-9 C8H18NO6PS2
Rhodium(III) oxide pentahydrate Rhodium(III) oxide pentahydrate 39373-27-8 H10O8Rh2
2-(TRIMETHYLSILYL)ETHANESULFONIC ACID, SODIUM SALT 2-(TRIMETHYLSILYL)ETHANESULFONIC ACID, SODIUM SALT 18143-40-3 C5H15NaO3SSi
4-((N,N-DIMETHYLAMINO)METHYL)PHENYLBORONIC ACID PINACOL ESTER HYDROCHLORIDE 4-((N,N-DIMETHYLAMINO)METHYL)PHENYLBORONIC ACID PINACOL ESTER HYDROCHLORIDE 878197-87-6 C15H24BNO2
p-Ethylbenzolsulfonsure p-Ethylbenzolsulfonsure 98-69-1 C8H10O3S
4-(Bromomethyl)-2,2-dimethyl-1,3-dioxalane 4-(Bromomethyl)-2,2-dimethyl-1,3-dioxalane 36236-76-7 C6H11BrO2
Noxytiolin Noxytiolin 15599-39-0 C3H8N2OS
Urea, N-(aminoiminomethyl)-N,N-dimethyl- (9CI) Urea, N-(aminoiminomethyl)-N,N-dimethyl- (9CI) 118632-64-7 C4H10N4O
2-(p-Chlorbenzyl)isothiouroniumchlorid 2-(p-Chlorbenzyl)isothiouroniumchlorid 544-47-8 C8H10Cl2N2S
5-(METHYLTHIO)-6-AZAURACIL 5-(METHYLTHIO)-6-AZAURACIL 31697-20-8 C4H5N3O2S
3,5-DIMETHYLPHENYLTHIOUREA 3,5-DIMETHYLPHENYLTHIOUREA 97480-60-9 C9H12N2S
Chlorproguanil Chlorproguanil 537-21-3 C11H15Cl2N5
Biguanide Nitrate Biguanide Nitrate 22817-07-8 C2H8N6O3
N-[4-(Morpholin-4-yl)phenyl]guanidine N-[4-(Morpholin-4-yl)phenyl]guanidine 247234-41-9 C11H16N4O
2,2'-Ethylenbisisothiouroniumdibromid 2,2'-Ethylenbisisothiouroniumdibromid 6943-65-3 C4H12Br2N4S2
4-Guanidinobenzylamine 4-Guanidinobenzylamine 174959-56-9 C8H12N4
2-Butynyl 4-methylbenzenesulfonate 2-Butynyl 4-methylbenzenesulfonate 56563-37-2 C11H12O3S
2,4,6-TRIBROMOPHENYLTHIOUREA 2,4,6-TRIBROMOPHENYLTHIOUREA 5337-47-3 C7H5Br3N2S
4-(Diethylamino)benzaldehyde diphenylhydrazone 4-(Diethylamino)benzaldehyde diphenylhydrazone 125948-64-3 C23H25N3
S-DIPHENYLCARBAZONE S-DIPHENYLCARBAZONE 10329-15-4 C13H14N4O.C13H12N4O
Sulfoessigsure Sulfoessigsure 123-43-3 C2H4O5S
(p-Nitrophenyl)thioharnstoff (p-Nitrophenyl)thioharnstoff 3696-22-8 C7H7N3O2S
4-BROMOBENZENESULPHONIC ACID 4-BROMOBENZENESULPHONIC ACID 79326-93-5 C6H5BrO3S
1-(4-FLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(4-FLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 16018-83-0 C8H11ClFN5
N'-BENZOYL-N,N-DIISOBUTYLTHIOUREA N'-BENZOYL-N,N-DIISOBUTYLTHIOUREA 25343-27-5 C16H24N2OS
1,3-BIS(BENZYLOXYCARBONYL)-2-METHYL-2-THIOPSEUDOUREA 1,3-BIS(BENZYLOXYCARBONYL)-2-METHYL-2-THIOPSEUDOUREA 25508-20-7 C18H18N2O4S
4-BROMO-2-(TRIFLUOROMETHYL)PHENYLTHIOUREA 4-BROMO-2-(TRIFLUOROMETHYL)PHENYLTHIOUREA 208186-71-4 C8H6BrF3N2S
1-Phenylguanidin 1-Phenylguanidin 2002-16-6 C7H9N3
p-Dodecylbenzolsulfonsure p-Dodecylbenzolsulfonsure 121-65-3 C18H30O3S
1,3-[Bis(hydroxymethyl)]thioharnstoff 1,3-[Bis(hydroxymethyl)]thioharnstoff 3084-25-1 C3H8N2O2S
1-(2-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(2-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 19579-44-3 C8H11Cl2N5
Aminoguanidinium Carbonate Aminoguanidinium Carbonate 2200-97-7 C2H8N4O3
2-Methylthiosemicarbazid 2-Methylthiosemicarbazid 6938-68-7 C2H7N3S
1,2-Dimethylisothiourea hydriodate 1,2-Dimethylisothiourea hydriodate 41306-45-0 C3H9IN2S
1-(4-Methoxyphenyl)thioharnstoff 1-(4-Methoxyphenyl)thioharnstoff 2293-07-4 C8H10N2OS
1-(2,5-DIFLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(2,5-DIFLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 66088-53-7 C8H10ClF2N5
2-(1-BENZOTHIOPHEN-5-YL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 2-(1-BENZOTHIOPHEN-5-YL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 501945-71-7 C14H17BO2S
1-(3-CARBOXYPHENYL)-2-THIOUREA 1-(3-CARBOXYPHENYL)-2-THIOUREA 37182-75-5 C8H8N2O2S
Polyhexamethyleneguanidine phosphate Polyhexamethyleneguanidine phosphate 89697-78-9 C21H45N9X2.3H3O4P
1-(4-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(4-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 4022-81-5 C8H11Cl2N5
8-HYDROXYQUINOLINE-5-SULFONIC ACID MONOHYDRATE 8-HYDROXYQUINOLINE-5-SULFONIC ACID MONOHYDRATE 283158-18-9 C9H9NO5S
Sodium 3-chloro-2-hydroxypropanesulphonate hemihydrate Sodium 3-chloro-2-hydroxypropanesulphonate hemihydrate 143218-48-8 C3H8ClNaO5S
Cyclohexanon-2,4-dinitrophenylhydrazon Cyclohexanon-2,4-dinitrophenylhydrazon 1589-62-4 C12H14N4O4
4-(PYRROLIDIN-1-YLMETHYL)BENZENEBORONIC ACID, PINACOL ESTER 97%1-[4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZYL]PYRROLIDINE 4-(PYRROLIDIN-1-YLMETHYL)BENZENEBORONIC ACID, PINACOL ESTER 97%1-[4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZYL]PYRROLIDINE 884507-39-5 C17H26BNO2
1-(PYRROLIDINE-2-CARBONYL)-PIPERIDINE-4-CARBOXYLIC ACID AMIDE 1-(PYRROLIDINE-2-CARBONYL)-PIPERIDINE-4-CARBOXYLIC ACID AMIDE C11H19N3O2
N-(2,4-DIMETHYLPHENYL)-N'-METHYL-THIOUREA N-(2,4-DIMETHYLPHENYL)-N'-METHYL-THIOUREA C10H14N2S
1-(3-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(3-CHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 2113-05-5 C8H11Cl2N5
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