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
Triaminoguanidinhydrochlorid Triaminoguanidinhydrochlorid 5329-29-3 CH9ClN6
N,N-DIETHYL-GUANIDINE N,N-DIETHYL-GUANIDINE 18240-93-2 C5H13N3
1,3-DI-BOC-2-(TRIFLUOROMETHYLSULFONYL)GUANIDINE 1,3-DI-BOC-2-(TRIFLUOROMETHYLSULFONYL)GUANIDINE 207857-15-6 C12H20F3N3O6S
N-(3-METHOXY-PHENYL)-GUANIDINE N-(3-METHOXY-PHENYL)-GUANIDINE 57004-60-1 C8H11N3O
Tetraethylammoniumtetrahydroborat Tetraethylammoniumtetrahydroborat 17083-85-1 C8H24BN
Biguanide hydrochloride Biguanide hydrochloride 4761-93-7 C2H8ClN5
3,4-Dihydro-2(1H)isochinolin-carbonsäureimidamidsulfat (2:1) 3,4-Dihydro-2(1H)isochinolin-carbonsäureimidamidsulfat (2:1) 581-88-4 C20H28N6O4S
(E)-1-(2-CHLORO-5-THIAZOLYLMETHYL)-3-METHYL-2-NITROGUANIDINE (E)-1-(2-CHLORO-5-THIAZOLYLMETHYL)-3-METHYL-2-NITROGUANIDINE 205510-53-8 C6H8ClN5O2S
Debrisochin Debrisochin 1131-64-2 C10H13N3
SULFAGUANIDINE MONOHYDRATE SULFAGUANIDINE MONOHYDRATE 6190-55-2 C7H12N4O3S
Metaflumizone Metaflumizone 139968-49-3 C24H16F6N4O2
3-Pentanone p-Toluenesulfonylhydrazone 3-Pentanone p-Toluenesulfonylhydrazone 28495-72-9 C12H18N2O2S
ACETONE 2,4-DINITROPHENYLHYDRAZONE ACETONE 2,4-DINITROPHENYLHYDRAZONE 1567-89-1 C9H10N4O4
LEVULINIC ACID SEMICARBAZONE LEVULINIC ACID SEMICARBAZONE 89532-09-2 C6H11N3O3
Ambazon Ambazon 539-21-9 C8H11N7S
2-Methyl-4-(N-ethyl-N-benzyl)aminobenzoaldehyde-1,1-diphenylhydrazone 2-Methyl-4-(N-ethyl-N-benzyl)aminobenzoaldehyde-1,1-diphenylhydrazone 106618-38-6 C29H29N3
DIFLUFENZOPYR DIFLUFENZOPYR 109293-97-2 C15H12F2N4O3
4-(Diethylamino)benzaldehyddiphenylhydrazon 4-(Diethylamino)benzaldehyddiphenylhydrazon 68189-23-1 C23H25N3
2-FURALDEHYDE DIMETHYLHYDRAZONE 2-FURALDEHYDE DIMETHYLHYDRAZONE 14064-21-2 C7H10N2O
FERIMZONE FERIMZONE 89269-64-7 C15H18N4
2-NITROBENZALDEHYDE TOSYLHYDRAZONE 2-NITROBENZALDEHYDE TOSYLHYDRAZONE 58809-90-8 C14H13N3O4S
((3-Chlorphenyl)hydrazono)-malanonitril ((3-Chlorphenyl)hydrazono)-malanonitril 555-60-2 C9H5ClN4
Aza-15-crown-5 Aza-15-crown-5 66943-05-3 C10H21NO4
1,4,7-Trioxa-10-azacyclododecan 1,4,7-Trioxa-10-azacyclododecan 41775-76-2 C8H17NO3
N-BUTYRALDEHYDE 2,4-DINITROPHENYLHYDRAZONE N-BUTYRALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 1527-98-6 C10H12N4O4
1,4,8,11-TETRATHIACYCLOTETRADECANE 1,4,8,11-TETRATHIACYCLOTETRADECANE 24194-61-4 C10H20S4
BENZALDEHYDE TOSYLHYDRAZONE BENZALDEHYDE TOSYLHYDRAZONE 1666-17-7 C14H14N2O2S
Metisazon Metisazon 1910-68-5 C10H10N4OS
4'-BROMOBENZO-18-CROWN-6 4'-BROMOBENZO-18-CROWN-6 75460-28-5 C16H23BrO6
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
13-Phenyl-1,4,7,10-tetraoxa-13-azacyclopentadecan 13-Phenyl-1,4,7,10-tetraoxa-13-azacyclopentadecan 66750-10-5 C16H25NO4
Cyclohexanone Tosylhydrazone Cyclohexanone Tosylhydrazone 4545-18-0 C13H18N2O2S
9-ETHYL-3-[N-ETHYL-N-(O-TOLYL)HYDRAZONOMETHYL]CARBAZOLE 9-ETHYL-3-[N-ETHYL-N-(O-TOLYL)HYDRAZONOMETHYL]CARBAZOLE 1274948-12-7 C24H25N3
Benzaldehydsemicarbazon Benzaldehydsemicarbazon 1574-10-3 C8H9N3O
4-(2-Methoxyphenyl)-2(3H)-thiazolone hydrazone 4-(2-Methoxyphenyl)-2(3H)-thiazolone hydrazone 299169-54-3 C10H11N3OS
1,5,9-TRIAZACYCLODODECANE 1,5,9-TRIAZACYCLODODECANE 294-80-4 C9H21N3
1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride 1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride 58105-91-2 C12H30N6.6HCl
N-HEXANAL 2,4-DINITROPHENYLHYDRAZONE N-HEXANAL 2,4-DINITROPHENYLHYDRAZONE 1527-97-5 C12H16N4O4
FORMALDEHYDE 2,4-DINITROPHENYLHYDRAZONE FORMALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 1081-15-8 C7H6N4O4
1,4,7,10-Tetraoxacyclododecan-2-methanol 1,4,7,10-Tetraoxacyclododecan-2-methanol 75507-26-5 C9H18O5
Cyclopentanone p-Toluenesulfonylhydrazone Cyclopentanone p-Toluenesulfonylhydrazone 17529-98-5 C12H16N2O2S
PROPIONALDEHYDE 2,4-DINITROPHENYLHYDRAZONE PROPIONALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 725-00-8 C9H10N4O4
4'-ACETYLBENZO-18-CROWN 6-ETHER 4'-ACETYLBENZO-18-CROWN 6-ETHER 41855-35-0 C18H26O7
4'-FORMYLBENZO-18-CROWN 6-ETHER 4'-FORMYLBENZO-18-CROWN 6-ETHER 60835-74-7 C17H24O7
N-VALERALDEHYDE 2,4-DINITROPHENYLHYDRAZONE N-VALERALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 2057-84-3 C11H14N4O4
2'-AMINOACETOPHENONE PHENYLHYDRAZONE 2'-AMINOACETOPHENONE PHENYLHYDRAZONE 40754-13-0 C14H15N3
2-(ALLYLOXYMETHYL)-18-CROWN 6-ETHER 2-(ALLYLOXYMETHYL)-18-CROWN 6-ETHER 84812-04-4 C16H30O7
4'-ACETYLBENZO-15-CROWN 5-ETHER 4'-ACETYLBENZO-15-CROWN 5-ETHER 41757-95-3 C16H22O6
ACETALDEHYDE 2,4-DINITROPHENYLHYDRAZONE ACETALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 1019-57-4 C8H8N4O4
2,3-Dihydro-2-phenyl-4-benzopyronhydrazon 2,3-Dihydro-2-phenyl-4-benzopyronhydrazon 1692-46-2 C15H14N2O
4-NITROBENZO-15-CROWN-5 4-NITROBENZO-15-CROWN-5 60835-69-0 C14H19NO7
TOLUENE-4-SULFONIC ACID DIBENZYL-ALPHA-& TOLUENE-4-SULFONIC ACID DIBENZYL-ALPHA-& 19816-85-4 C21H20N2O2S
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
3-(HYDROXYMETHYL)-2-BENZOTHIAZOLINONE 3-(HYDROXYMETHYL)-2-BENZOTHIAZOLINONE 72679-97-1 C8H7NO2S
Anabasin Anabasin 494-52-0 C10H14N2
Bis(4-fluor-3-nitrophenyl)sulfon Bis(4-fluor-3-nitrophenyl)sulfon 312-30-1 C12H6F2N2O6S
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
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
Fenbendazole sulfone Fenbendazole sulfone 54029-20-8 C15H13N3O4S
[(Chlormethyl)sulfinyl]benzol [(Chlormethyl)sulfinyl]benzol 7205-94-9 C7H7ClOS
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
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
PHENYL TRANS-STYRYL SULFONE  99 PHENYL TRANS-STYRYL SULFONE 99 5418-11-1 C14H12O2S
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
BROMOMETHYL PHENYL SULFONE BROMOMETHYL PHENYL SULFONE 19169-90-5 C7H7BrO2S
1,4,8,11-TETRAMETHYL-1,4,8,11-TETRAAZACYCLOTETRADECANE 1,4,8,11-TETRAMETHYL-1,4,8,11-TETRAAZACYCLOTETRADECANE 41203-22-9 C14H32N4
TERBUFOS-SULFOXIDE TERBUFOS-SULFOXIDE 10548-10-4 C9H21O3PS3
SULPROFOS-SULFOXIDE SULPROFOS-SULFOXIDE 34643-47-5 C12H19O3PS3
METHIOCARB SULFOXIDE METHIOCARB SULFOXIDE 2635-10-1 C11H15NO3S
Methyl-(phenylsulfinyl)acetat Methyl-(phenylsulfinyl)acetat 14090-83-6 C9H10O3S
PHORATE SULFONE PHORATE SULFONE 2588-04-7 C7H17O4PS3
4'-BROMOBENZO-15-CROWN 5-ETHER 4'-BROMOBENZO-15-CROWN 5-ETHER 60835-72-5 C14H19BrO5
4,10-Dioxa-1,7-diazacyclododecan 4,10-Dioxa-1,7-diazacyclododecan 294-92-8 C8H18N2O2
FENTHION-SULFONE FENTHION-SULFONE 3761-42-0 C10H15O5PS2
PROMETHAZINE SULFOXIDE PROMETHAZINE SULFOXIDE 7640-51-9 C17H20N2OS
(BENZO-15-CROWN 5-ETHER)-4'-CARBOXYLIC ACID (BENZO-15-CROWN 5-ETHER)-4'-CARBOXYLIC ACID 56683-55-7 C15H20O7
TERT-BUTYL METHYL SULFOXIDE TERT-BUTYL METHYL SULFOXIDE 14094-11-2 C5H12OS
SULFONAL SULFONAL 115-24-2 C7H16O4S2
ETHIOFENCARB-SULFONE ETHIOFENCARB-SULFONE 53380-23-7 C11H15NO4S
FENAMIPHOS SULFOXIDE FENAMIPHOS SULFOXIDE 31972-43-7 C13H22NO4PS
5-Mesylbenzoxazol-2(3H)-on 5-Mesylbenzoxazol-2(3H)-on 13920-98-4 C8H7NO4S
VAMIDOTHION SULFOXIDE VAMIDOTHION SULFOXIDE 20300-00-9 C8H18NO5PS2
[2,5]-DIBENZO-21-CROWN-7 [2,5]-DIBENZO-21-CROWN-7 14098-41-0 C22H28O7
1,4,7,10,13-Pentaoxa-16-azacyclooctadecan 1,4,7,10,13-Pentaoxa-16-azacyclooctadecan 33941-15-0 C12H25NO5
4-METHYLSULFONYL-2-NITROFLUOROBENZENE 4-METHYLSULFONYL-2-NITROFLUOROBENZENE 453-72-5 C7H6FNO4S
1,4,10-Trioxa-7,13-diazacyclopentadecan 1,4,10-Trioxa-7,13-diazacyclopentadecan 31249-95-3 C10H22N2O3
1,4,7,10,13,16-Hexaazacyclooctadecan 1,4,7,10,13,16-Hexaazacyclooctadecan 296-35-5 C12H30N6
Dibutylsulfon Dibutylsulfon 598-04-9 C8H18O2S
Bis(4-chlor-3-nitrophenyl)sulfon Bis(4-chlor-3-nitrophenyl)sulfon 1759-05-3 C12H6Cl2N2O6S
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