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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
1-Methyl-3-(2-methylprop-2-enyl)-2-thioharnstoff 1-Methyl-3-(2-methylprop-2-enyl)-2-thioharnstoff 21018-38-2 C6H12N2S
1-(2,4,6-TRICHLOROPHENYL)-2-THIOUREA 1-(2,4,6-TRICHLOROPHENYL)-2-THIOUREA 31118-87-3 C7H5Cl3N2S
1-Cyclohexyl-3-(2-morpholinoethyl)thioharnstoff 1-Cyclohexyl-3-(2-morpholinoethyl)thioharnstoff 21545-54-0 C13H25N3OS
(6-METHYL-PYRIDIN-2-YL)-THIOUREA (6-METHYL-PYRIDIN-2-YL)-THIOUREA 49600-34-2 C7H9N3S
1-(3-FLUOROPHENYL)-2-THIOUREA 1-(3-FLUOROPHENYL)-2-THIOUREA 458-05-9 C7H7FN2S
3-Methyl-1-(2,4-xylyl)thioharnstoff 3-Methyl-1-(2,4-xylyl)thioharnstoff 13278-55-2 C10H14N2S
1-(4-CHLOROBENZYL)-2-THIOUREA 1-(4-CHLOROBENZYL)-2-THIOUREA 24827-37-0 C8H9ClN2S
N,N'-Bis(2-methylpropyl)thioharn-stoff N,N'-Bis(2-methylpropyl)thioharn-stoff 29214-81-1 C9H20N2S
2,5-DIFLUOROPHENYLTHIOUREA 2,5-DIFLUOROPHENYLTHIOUREA 207981-44-0 C7H6F2N2S
1-[4-(TRIFLUOROMETHYL)PHENYL]-2-THIOUREA 1-[4-(TRIFLUOROMETHYL)PHENYL]-2-THIOUREA 1736-72-7 C8H7F3N2S
(4-Methyl-pyridin-2-yl)-thiourea (4-Methyl-pyridin-2-yl)-thiourea 21242-21-7 C7H9N3S
4-(4-ETHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(4-ETHYLPHENYL)-3-THIOSEMICARBAZIDE 93693-01-7 C9H13N3S
N-(Aminothioxomethyl)acetamid N-(Aminothioxomethyl)acetamid 591-08-2 C3H6N2OS
N-TRIPHENYLMETHYLTHIOUREA N-TRIPHENYLMETHYLTHIOUREA 76758-01-5 C20H18N2S
1,3-Di-o-tolyl-2-thioharnstoff 1,3-Di-o-tolyl-2-thioharnstoff 137-97-3 C15H16N2S
Methyl-[[(methoxycarbonyl)amino](methylthio)methylen]carbamat Methyl-[[(methoxycarbonyl)amino](methylthio)methylen]carbamat 34840-23-8 C6H10N2O4S
1-(4-CHLOROPHENYL)-3-PHENYL-2-THIOUREA 1-(4-CHLOROPHENYL)-3-PHENYL-2-THIOUREA 7392-67-8 C13H11ClN2S
4-CYANOPHENYLTHIOUREA 4-CYANOPHENYLTHIOUREA 3460-55-7 C8H7N3S
3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)ACETANILIDE 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)ACETANILIDE 480424-93-9 C14H20BNO3
Tiocarlid Tiocarlid 910-86-1 C23H32N2O2S
BORIC ACID TRI-O-TOLYL ESTER BORIC ACID TRI-O-TOLYL ESTER 2665-12-5 C21H21BO3
Benzolsulfons?ure, 4-C 10-13-sec-Alkylderivate Benzolsulfons?ure, 4-C 10-13-sec-Alkylderivate 85536-14-7 C18H30O3S
1,2-Ethandisulfonsure 1,2-Ethandisulfonsure 110-04-3 C2H6O6S2
3-[(Aminoiminomethyl)thio]propansulfonsure 3-[(Aminoiminomethyl)thio]propansulfonsure 21668-81-5 C4H10N2O3S2
Tributyl-2-thioharnstoff Tributyl-2-thioharnstoff 2422-88-0 C13H28N2S
BORIC ACID TRIS(4-CHLOROPHENYL) ESTER BORIC ACID TRIS(4-CHLOROPHENYL) ESTER 7359-58-2 C18H12BCl3O3
3-ACETYLPHENYLBORONIC ACID, PINACOL ESTER 3-ACETYLPHENYLBORONIC ACID, PINACOL ESTER 214360-49-3 C14H19BO3
Cyclohexyl-p-toluolsulfonat Cyclohexyl-p-toluolsulfonat 953-91-3 C13H18O3S
TRANS-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)STYRENE TRANS-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)STYRENE 83947-56-2 C14H19BO2
2-BORONOBENZALDEHYDE, PINACOL ESTER 2-BORONOBENZALDEHYDE, PINACOL ESTER 380151-85-9 C13H17BO3
4-METHYLIMIDAZOLIDINE-2-THIONE 4-METHYLIMIDAZOLIDINE-2-THIONE 2122-19-2 C4H8N2S
4-SULFAMOYLPHENYLBORONIC ACID, PINACOL ESTER 4-SULFAMOYLPHENYLBORONIC ACID, PINACOL ESTER 214360-51-7 C12H18BNO4S
2-Acetylaminophenylboronic acid pinacol ester 2-Acetylaminophenylboronic acid pinacol ester 380430-61-5 C14H20BNO3
1-(BETA-PHENETHYL)-3-PHENYL-2-THIOUREA 1-(BETA-PHENETHYL)-3-PHENYL-2-THIOUREA 15093-42-2 C15H16N2S
4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENYL ACETATE 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENYL ACETATE 480424-70-2 C14H19BO4
Trihexylborat Trihexylborat 5337-36-0 C18H39BO3
2-(4-CHLOROBENZYLIDENE)HYDRAZINE-1-CARBOTHIOAMIDE 2-(4-CHLOROBENZYLIDENE)HYDRAZINE-1-CARBOTHIOAMIDE 5706-80-9 C8H8ClN3S
2-Hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]propansulfonsure 2-Hydroxy-3-[(2-hydroxy-1,1-dimethylethyl)amino]propansulfonsure 68399-79-1 C7H17NO5S
2,4-Dimethylthiosemicarbazid 2,4-Dimethylthiosemicarbazid 6621-75-6 C3H9N3S
Tridecylorthoborat Tridecylorthoborat 20236-81-1 C30H63BO3
Tri(tetradecyl)borat Tri(tetradecyl)borat 23162-15-4 C42H87BO3
Trioctylborat Trioctylborat 2467-12-1 C24H51BO3
BORON TRIFLUORIDE, N-PROPANOL REAGENT 15 BORON TRIFLUORIDE, N-PROPANOL REAGENT 15 762-48-1 C3H7BF3O
Propansulfonsure Propansulfonsure 5284-66-2 C3H8O3S
BORIC ACID TRIOCTADECYL ESTER BORIC ACID TRIOCTADECYL ESTER 5337-41-7 C54H111BO3
Fluorsulfons?ure Fluorsulfons?ure 7789-21-1 FHO3S
SODIUM TETRAKIS(4-FLUOROPHENYL)BORATE SODIUM TETRAKIS(4-FLUOROPHENYL)BORATE 25776-12-9 C24H16BF4Na
NAPHTHALENE-2-BORONIC ACID, PINACOL ESTER NAPHTHALENE-2-BORONIC ACID, PINACOL ESTER 256652-04-7 C16H19BO2
2-FLUOROPYRIDINE-3-BORONIC ACID PINACOL ESTER 2-FLUOROPYRIDINE-3-BORONIC ACID PINACOL ESTER 452972-14-4 C11H15BFNO2
BORIC ACID TRI-N-HEXADECYL ESTER BORIC ACID TRI-N-HEXADECYL ESTER 2665-11-4 C48H99BO3
N,N-DI-SEC-BUTYLTHIOUREA N,N-DI-SEC-BUTYLTHIOUREA 31182-22-6 C9H20N2S
4-ACETYLPHENYLBORONIC ACID, PINACOL ESTER 4-ACETYLPHENYLBORONIC ACID, PINACOL ESTER 171364-81-1 C14H19BO3
Dimethylether-Bortrifluorid Dimethylether-Bortrifluorid 353-42-4 C2H6BF3O
1,1-Dimethyl-2-thioharnstoff 1,1-Dimethyl-2-thioharnstoff 6972-05-0 C3H8N2S
DIFLUFENZOPYR DIFLUFENZOPYR 109293-97-2 C15H12F2N4O3
Ethylguanidinium-sulfat-(2:1) Ethylguanidinium-sulfat-(2:1) 3482-86-8 C6H20N6O4S
((3-Chlorphenyl)hydrazono)-malanonitril ((3-Chlorphenyl)hydrazono)-malanonitril 555-60-2 C9H5ClN4
PHENYLGUANIDINE CARBONATE PHENYLGUANIDINE CARBONATE 6291-89-0 C15H20N6O3
Amidinoharnstoff Amidinoharnstoff 141-83-3 C2H6N4O
Biguanid Biguanid 56-03-1 C2H7N5
ACETONE 2,4-DINITROPHENYLHYDRAZONE ACETONE 2,4-DINITROPHENYLHYDRAZONE 1567-89-1 C9H10N4O4
Methylguanidinhydrochlorid Methylguanidinhydrochlorid 22661-87-6 C2H8ClN3
CAINDEXNAME:GUANIDINE,[(3-IODOPHENYL)METHYL]	CAINDEXNAME:GUANIDINE,[(3-IODOPHENYL)METHYL] 80663-95-2 C8H10IN3
Metaflumizone Metaflumizone 139968-49-3 C24H16F6N4O2
Metisazon Metisazon 1910-68-5 C10H10N4OS
1,3-DI-BOC-2-(TRIFLUOROMETHYLSULFONYL)GUANIDINE 1,3-DI-BOC-2-(TRIFLUOROMETHYLSULFONYL)GUANIDINE 207857-15-6 C12H20F3N3O6S
4-(Diethylamino)benzaldehyddiphenylhydrazon 4-(Diethylamino)benzaldehyddiphenylhydrazon 68189-23-1 C23H25N3
3-Chlorophenylguanidine 3-Chlorophenylguanidine 6145-41-1 C7H8ClN3
Debrisochin Debrisochin 1131-64-2 C10H13N3
Tetraethylammoniumtetrahydroborat Tetraethylammoniumtetrahydroborat 17083-85-1 C8H24BN
N,N-DIETHYL-GUANIDINE N,N-DIETHYL-GUANIDINE 18240-93-2 C5H13N3
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
N-Ethyl-N'-nitro-N-nitrosoguanidin N-Ethyl-N'-nitro-N-nitrosoguanidin 4245-77-6 C3H7N5O3
4-(2-Methoxyphenyl)-2(3H)-thiazolone hydrazone 4-(2-Methoxyphenyl)-2(3H)-thiazolone hydrazone 299169-54-3 C10H11N3OS
N-(3-METHOXY-PHENYL)-GUANIDINE N-(3-METHOXY-PHENYL)-GUANIDINE 57004-60-1 C8H11N3O
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
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
BORIC ACID TRIS(HEXAFLUOROISOPROPYL) ESTER BORIC ACID TRIS(HEXAFLUOROISOPROPYL) ESTER 6919-80-8 C9H3BF18O3
1-Phenylbiguanid 1-Phenylbiguanid 102-02-3 C8H11N5
N'-BENZYLGUANIDINEACETATE N'-BENZYLGUANIDINEACETATE 2211-57-6 C8H11N3
3,4-Dihydro-2(1H)isochinolin-carbons?ureimidamidsulfat (2:1) 3,4-Dihydro-2(1H)isochinolin-carbons?ureimidamidsulfat (2:1) 581-88-4 C20H28N6O4S
Dodecylguanidine Dodecylguanidine 112-65-2 C13H29N3
Guanidine,(2-methyl-5-nitrophenyl) Guanidine,(2-methyl-5-nitrophenyl) 152460-07-6 C8H10N4O2
PROPIONALDEHYDE 2,4-DINITROPHENYLHYDRAZONE PROPIONALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 725-00-8 C9H10N4O4
Phenylguanidine carbonate salt Phenylguanidine carbonate salt 14018-90-7 C7H9N3.(H2CO3)x
Ambazon Ambazon 539-21-9 C8H11N7S
Polyhexamethyleneguanidine hydrochloride Polyhexamethyleneguanidine hydrochloride 57028-96-3 C7H22ClN5
3-Pentanone p-Toluenesulfonylhydrazone 3-Pentanone p-Toluenesulfonylhydrazone 28495-72-9 C12H18N2O2S
N-(5-BROMO-4-METHYL-1,3-THIAZOL-2-YL)GUANIDINE N-(5-BROMO-4-METHYL-1,3-THIAZOL-2-YL)GUANIDINE 175136-87-5 C5H7BrN4S
N-VALERALDEHYDE 2,4-DINITROPHENYLHYDRAZONE N-VALERALDEHYDE 2,4-DINITROPHENYLHYDRAZONE 2057-84-3 C11H14N4O4
BOC-GUANIDINE BOC-GUANIDINE 219511-71-4 C6H13N3O2
Dodecylguanidinmonohydrochlorid Dodecylguanidinmonohydrochlorid 13590-97-1 C13H30ClN3
(E)-1-(2-CHLORO-5-THIAZOLYLMETHYL)-3-METHYL-2-NITROGUANIDINE (E)-1-(2-CHLORO-5-THIAZOLYLMETHYL)-3-METHYL-2-NITROGUANIDINE 205510-53-8 C6H8ClN5O2S
LEVULINIC ACID SEMICARBAZONE LEVULINIC ACID SEMICARBAZONE 89532-09-2 C6H11N3O3
SULFAGUANIDINE MONOHYDRATE SULFAGUANIDINE MONOHYDRATE 6190-55-2 C7H12N4O3S
3-(HYDROXYMETHYL)-2-BENZOTHIAZOLINONE 3-(HYDROXYMETHYL)-2-BENZOTHIAZOLINONE 72679-97-1 C8H7NO2S
Triaminoguanidinhydrochlorid Triaminoguanidinhydrochlorid 5329-29-3 CH9ClN6
Biguanide hydrochloride Biguanide hydrochloride 4761-93-7 C2H8ClN5
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