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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
2-NITROBENZALDEHYDE TOSYLHYDRAZONE 2-NITROBENZALDEHYDE TOSYLHYDRAZONE 58809-90-8 C14H13N3O4S
N-BUTYRALDEHYDE 2,4-DINITROPHENYLHYDRAZONE N-BUTYRALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 1527-98-6 C10H12N4O4
ACETALDEHYDE 2,4-DINITROPHENYLHYDRAZONE ACETALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 1019-57-4 C8H8N4O4
Cyclohexanone Tosylhydrazone Cyclohexanone Tosylhydrazone 4545-18-0 C13H18N2O2S
2,3-Dihydro-2-phenyl-4-benzopyronhydrazon 2,3-Dihydro-2-phenyl-4-benzopyronhydrazon 1692-46-2 C15H14N2O
2'-AMINOACETOPHENONE PHENYLHYDRAZONE 2'-AMINOACETOPHENONE PHENYLHYDRAZONE 40754-13-0 C14H15N3
TOLUENE-4-SULFONIC ACID DIBENZYL-ALPHA-& TOLUENE-4-SULFONIC ACID DIBENZYL-ALPHA-& 19816-85-4 C21H20N2O2S
FERIMZONE FERIMZONE 89269-64-7 C15H18N4
BENZALDEHYDE TOSYLHYDRAZONE BENZALDEHYDE TOSYLHYDRAZONE 1666-17-7 C14H14N2O2S
Cyclopentanone p-Toluenesulfonylhydrazone Cyclopentanone p-Toluenesulfonylhydrazone 17529-98-5 C12H16N2O2S
2-FURALDEHYDE DIMETHYLHYDRAZONE 2-FURALDEHYDE DIMETHYLHYDRAZONE 14064-21-2 C7H10N2O
N,N'-DIBENZYL-1,4,10,13-TETRAOXA-7,16-DIAZACYCLOOCTADECANE N,N'-DIBENZYL-1,4,10,13-TETRAOXA-7,16-DIAZACYCLOOCTADECANE 69703-25-9 C26H38N2O4
1,4,7-Trioxa-10-azacyclododecan 1,4,7-Trioxa-10-azacyclododecan 41775-76-2 C8H17NO3
4'-FORMYLBENZO-18-CROWN 6-ETHER 4'-FORMYLBENZO-18-CROWN 6-ETHER 60835-74-7 C17H24O7
4'-BROMOBENZO-18-CROWN-6 4'-BROMOBENZO-18-CROWN-6 75460-28-5 C16H23BrO6
1,4,8,11-TETRATHIACYCLOTETRADECANE 1,4,8,11-TETRATHIACYCLOTETRADECANE 24194-61-4 C10H20S4
1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride 1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride 58105-91-2 C12H30N6.6HCl
4'-ACETYLBENZO-18-CROWN 6-ETHER 4'-ACETYLBENZO-18-CROWN 6-ETHER 41855-35-0 C18H26O7
TERBUFOS-SULFONE TERBUFOS-SULFONE 56070-16-7 C9H21O4PS3
DIBENZO-30-CROWN-10 DIBENZO-30-CROWN-10 17455-25-3 C28H40O10
1,4,8,12-TETRAAZACYCLOPENTADECANE 1,4,8,12-TETRAAZACYCLOPENTADECANE 15439-16-4 C11H26N4
1,4,7,10,13-Pentaoxacyclopentadecan-2-methanol 1,4,7,10,13-Pentaoxacyclopentadecan-2-methanol 75507-25-4 C11H22O6
Aza-15-crown-5 Aza-15-crown-5 66943-05-3 C10H21NO4
1,4,7,10,13,16,19,22-Octaoxacyclotetracosan 1,4,7,10,13,16,19,22-Octaoxacyclotetracosan 33089-37-1 C16H32O8
DIBENZO-15-CROWN-5 DIBENZO-15-CROWN-5 14262-60-3 C18H20O5
4-Vinylbenzo-18-crown-6 4-Vinylbenzo-18-crown-6 39557-71-6 C18H26O6
15-CROWN-4 [4-(2,4-DINITROPHENYLAZO)PHENOL] 15-CROWN-4 [4-(2,4-DINITROPHENYLAZO)PHENOL] 81238-57-5 C20H22N4O9
BIS(1,4-PHENYLENE)-34-CROWN 10-ETHER BIS(1,4-PHENYLENE)-34-CROWN 10-ETHER 53914-95-7 C28H40O10
4-NITROBENZO-18-CROWN-6 4-NITROBENZO-18-CROWN-6 53408-96-1 C16H23NO8
13-Phenyl-1,4,7,10-tetraoxa-13-azacyclopentadecan 13-Phenyl-1,4,7,10-tetraoxa-13-azacyclopentadecan 66750-10-5 C16H25NO4
6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin 6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n][1,4,7,10,13,16,19,22]octaoxacyclotetracosin 14174-09-5 C24H32O8
ETHYNYL P-TOLYL SULFONE ETHYNYL P-TOLYL SULFONE 13894-21-8 C9H8O2S
BENZO-12-CROWN-4 BENZO-12-CROWN-4 14174-08-4 C12H16O4
Methylvinylsulfon Methylvinylsulfon 3680-02-2 C3H6O2S
2,3-(4-CARBOXYBENZO)-1,4,7,10,13,16-HEXAOXACYCLOOCTADEC-2-ENE 2,3-(4-CARBOXYBENZO)-1,4,7,10,13,16-HEXAOXACYCLOOCTADEC-2-ENE 60835-75-8 C17H24O8
18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] 18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] 81238-58-6 C22H26N4O10
1,4,8,11-TETRAMETHYL-1,4,8,11-TETRAAZACYCLOTETRADECANE 1,4,8,11-TETRAMETHYL-1,4,8,11-TETRAAZACYCLOTETRADECANE 41203-22-9 C14H32N4
1,5,9-TRIAZACYCLODODECANE 1,5,9-TRIAZACYCLODODECANE 294-80-4 C9H21N3
PHORATE SULFONE PHORATE SULFONE 2588-04-7 C7H17O4PS3
4'-BROMOBENZO-15-CROWN 5-ETHER 4'-BROMOBENZO-15-CROWN 5-ETHER 60835-72-5 C14H19BrO5
1,4,7,10-Tetraoxacyclododecan-2-methanol 1,4,7,10-Tetraoxacyclododecan-2-methanol 75507-26-5 C9H18O5
4,10-Dioxa-1,7-diazacyclododecan 4,10-Dioxa-1,7-diazacyclododecan 294-92-8 C8H18N2O2
(BENZO-15-CROWN 5-ETHER)-4'-CARBOXYLIC ACID (BENZO-15-CROWN 5-ETHER)-4'-CARBOXYLIC ACID 56683-55-7 C15H20O7
SULFONAL SULFONAL 115-24-2 C7H16O4S2
ETHIOFENCARB-SULFONE ETHIOFENCARB-SULFONE 53380-23-7 C11H15NO4S
VAMIDOTHION SULFOXIDE VAMIDOTHION SULFOXIDE 20300-00-9 C8H18NO5PS2
[2,5]-DIBENZO-21-CROWN-7 [2,5]-DIBENZO-21-CROWN-7 14098-41-0 C22H28O7
2-(ALLYLOXYMETHYL)-18-CROWN 6-ETHER 2-(ALLYLOXYMETHYL)-18-CROWN 6-ETHER 84812-04-4 C16H30O7
1,4,7,10,13-Pentaoxa-16-azacyclooctadecan 1,4,7,10,13-Pentaoxa-16-azacyclooctadecan 33941-15-0 C12H25NO5
1,4,10-Trioxa-7,13-diazacyclopentadecan 1,4,10-Trioxa-7,13-diazacyclopentadecan 31249-95-3 C10H22N2O3
4'-ACETYLBENZO-15-CROWN 5-ETHER 4'-ACETYLBENZO-15-CROWN 5-ETHER 41757-95-3 C16H22O6
1,4,7,10,13,16-Hexaazacyclooctadecan 1,4,7,10,13,16-Hexaazacyclooctadecan 296-35-5 C12H30N6
4-NITROBENZO-15-CROWN-5 4-NITROBENZO-15-CROWN-5 60835-69-0 C14H19NO7
2,3-(4-METHOXYCARBONYLBENZO)-1,4,7,10,13-PENTAOXACYCLOPENTADEC-2-ENE 2,3-(4-METHOXYCARBONYLBENZO)-1,4,7,10,13-PENTAOXACYCLOPENTADEC-2-ENE 56683-56-8 C16H22O7
Anabasin Anabasin 494-52-0 C10H14N2
2-(DIPHENYLPHOSPHINO)ETHANETHIOL 2-(DIPHENYLPHOSPHINO)ETHANETHIOL 3190-79-2 C14H15PS
4-(4-FLUOROPHENYL)-1,3-THIAZOLE-2-THIOL 4-(4-FLUOROPHENYL)-1,3-THIAZOLE-2-THIOL 42365-73-1 C9H6FNS2
S-Phenylbenzolthiosulfonat S-Phenylbenzolthiosulfonat 1212-08-4 C12H10O2S2
Bis(4-fluor-3-nitrophenyl)sulfon Bis(4-fluor-3-nitrophenyl)sulfon 312-30-1 C12H6F2N2O6S
3-(Methylsulfinyl)butan-2-on-O-[(methylamino)carbonyl]oxim 3-(Methylsulfinyl)butan-2-on-O-[(methylamino)carbonyl]oxim 34681-24-8 C7H14N2O3S
Fenbendazole sulfone Fenbendazole sulfone 54029-20-8 C15H13N3O4S
Triclabendazole sulfoxide Triclabendazole sulfoxide 100648-13-3 C14H9Cl3N2O2S
[(Chlormethyl)sulfinyl]benzol [(Chlormethyl)sulfinyl]benzol 7205-94-9 C7H7ClOS
DAPSONE HYDROXYLAMINE DAPSONE HYDROXYLAMINE 32695-27-5 C12H12N2O3S
2-QUINOXALINETHIOL 2-QUINOXALINETHIOL 6962-54-5 C8H6N2S
PHENYL TRANS-STYRYL SULFONE  99 PHENYL TRANS-STYRYL SULFONE 99 5418-11-1 C14H12O2S
5-(4-METHOXYPHENYL)-1 3 4-OXADIAZOLE-2-& 5-(4-METHOXYPHENYL)-1 3 4-OXADIAZOLE-2-& 23766-26-9 C9H8N2O2S
BROMOMETHYL PHENYL SULFONE BROMOMETHYL PHENYL SULFONE 19169-90-5 C7H7BrO2S
Octan-2-thiol Octan-2-thiol 3001-66-9 C8H18S
Pentadecan-1-thiol Pentadecan-1-thiol 25276-70-4 C15H32S
1-amino-4-methyl-1H-imidazole-2-thiol 1-amino-4-methyl-1H-imidazole-2-thiol 16163-48-7 C4H7N3S
FENTHION-OXON-SULFOXIDE FENTHION-OXON-SULFOXIDE 6552-13-2 C10H15O5PS
TERBUFOS-SULFOXIDE TERBUFOS-SULFOXIDE 10548-10-4 C9H21O3PS3
4-AMINO-5-PHENYL-4H-1,2,4-TRIAZOLE-3-THIOL 4-AMINO-5-PHENYL-4H-1,2,4-TRIAZOLE-3-THIOL 21089-45-2 C8H8N4S
(S)-(-)-METHYL P-TOLYL SULFOXIDE (S)-(-)-METHYL P-TOLYL SULFOXIDE 5056-07-5 C8H10OS
SULPROFOS-SULFOXIDE SULPROFOS-SULFOXIDE 34643-47-5 C12H19O3PS3
METHIOCARB SULFOXIDE METHIOCARB SULFOXIDE 2635-10-1 C11H15NO3S
FENTHION-SULFOXIDE FENTHION-SULFOXIDE 3761-41-9 C10H15O4PS2
1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE 1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE 32362-88-2 C7H6N4S
Methyl-(phenylsulfinyl)acetat Methyl-(phenylsulfinyl)acetat 14090-83-6 C9H10O3S
5-MORPHOLIN-4-YL-1,3,4-THIADIAZOLE-2-THIOL 5-MORPHOLIN-4-YL-1,3,4-THIADIAZOLE-2-THIOL 51412-74-9 C6H9N3OS2
Nonan-1-thiol Nonan-1-thiol 1455-21-6 C9H20S
4,4,5,5,5-pentafluoropentane-1-thiol 4,4,5,5,5-pentafluoropentane-1-thiol 148757-88-4 C5H7F5S
1-METHYL-4-(METHYLSULFINYL)BENZENE 1-METHYL-4-(METHYLSULFINYL)BENZENE 934-72-5 C8H10OS
FENTHION-SULFONE FENTHION-SULFONE 3761-42-0 C10H15O5PS2
PROMETHAZINE SULFOXIDE PROMETHAZINE SULFOXIDE 7640-51-9 C17H20N2OS
TERT-BUTYL METHYL SULFOXIDE TERT-BUTYL METHYL SULFOXIDE 14094-11-2 C5H12OS
2-Ethyl-2-[[(mercaptoacetyl)oxy]methyl]-1,3-propandiylbis(mercaptoacetat) 2-Ethyl-2-[[(mercaptoacetyl)oxy]methyl]-1,3-propandiylbis(mercaptoacetat) 10193-96-1 C12H20O6S3
FENAMIPHOS SULFOXIDE FENAMIPHOS SULFOXIDE 31972-43-7 C13H22NO4PS
1-(Methylsulfinyl)dodecan 1-(Methylsulfinyl)dodecan 3079-30-9 C13H28OS
5-Mesylbenzoxazol-2(3H)-on 5-Mesylbenzoxazol-2(3H)-on 13920-98-4 C8H7NO4S
2-(BOC-AMINO)ETHANETHIOL 2-(BOC-AMINO)ETHANETHIOL 67385-09-5 C7H15NO2S
2,3,5,6-TETRACHLOROBENZENE-1-THIOL 2,3,5,6-TETRACHLOROBENZENE-1-THIOL 4707-16-8 C6H2Cl4S
5-(4-PYRIDYL)-1H-1,2,4-TRIAZOLE-3-THIOL 5-(4-PYRIDYL)-1H-1,2,4-TRIAZOLE-3-THIOL 14910-06-6 C7H6N4S
4-METHYLSULFONYL-2-NITROFLUOROBENZENE 4-METHYLSULFONYL-2-NITROFLUOROBENZENE 453-72-5 C7H6FNO4S
P-TOLYL VINYL SULPHONE P-TOLYL VINYL SULPHONE 5535-52-4 C9H10O2S
TRIPHENYLSILANETHIOL TRIPHENYLSILANETHIOL 14606-42-9 C18H16SSi
Dibutylsulfon Dibutylsulfon 598-04-9 C8H18O2S
1,3-BENZENEDIMETHANETHIOL 1,3-BENZENEDIMETHANETHIOL 41563-69-3 C8H10S2
Bis(4-chlor-3-nitrophenyl)sulfon Bis(4-chlor-3-nitrophenyl)sulfon 1759-05-3 C12H6Cl2N2O6S
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