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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-BUTYL-2,3-DIMETHYLIMIDAZOLIUM BROMIDE 1-BUTYL-2,3-DIMETHYLIMIDAZOLIUM BROMIDE 475575-45-2 C9H17BrN2
TRIHEXYLTETRADECYLPHOSPHONIUM DICYANAMIDE TRIHEXYLTETRADECYLPHOSPHONIUM DICYANAMIDE 701921-71-3 C32H68P.C2N3
1-HEXADECYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 1-HEXADECYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 219947-95-2 C20H39F6N2P
1-decyl-2,3-dimethylimidazolium hexafluorophosphate 1-decyl-2,3-dimethylimidazolium hexafluorophosphate 640282-16-2 C15H29N2.PF6
TETRABUTYLAMMONIUM BENZOATE TETRABUTYLAMMONIUM BENZOATE 18819-89-1 C23H41NO2
3-(TRIPHENYLPHOSPHONIO)PROPANE-1-SULFONI 3-(TRIPHENYLPHOSPHONIO)PROPANE-1-SULFONI 439937-65-2 C28H29O6PS2
1,3-DIMETHYLIMIDAZOLIUM METHYLSULFATE 1,3-DIMETHYLIMIDAZOLIUM METHYLSULFATE 97345-90-9 C6H12N2O4S
TETRADODECYLAMMONIUM CHLORIDE TETRADODECYLAMMONIUM CHLORIDE 82944-72-7 C48H100ClN
1-ETHYL-3-METHYLIMIDAZOLIUM NITRATE 1-ETHYL-3-METHYLIMIDAZOLIUM NITRATE 143314-14-1 C6H11N3O3
1-DECYL-3-METHYLIMIDAZOLIUM BROMIDE 1-DECYL-3-METHYLIMIDAZOLIUM BROMIDE 188589-32-4 C14H27BrN2
1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 653601-27-5 C11H21F6N2P
1-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROAN 1-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROAN 174645-81-9 C8F6H15N2Sb1
1-ETHYL-3-METHYLIMIDAZOLIUM THIOCYANATE 1-ETHYL-3-METHYLIMIDAZOLIUM THIOCYANATE 331717-63-6 C7H11N3S
1 2-DIME-3-PROPYLIMIDAZOLIUM BIS(TRIFLUO 1 2-DIME-3-PROPYLIMIDAZOLIUM BIS(TRIFLUO 169051-76-7 C8H15N2.C2F6NO4S2
1-BUTYL-3-METHYLIMIDAZOLIUM ACETATE 1-BUTYL-3-METHYLIMIDAZOLIUM ACETATE 284049-75-8 C10H18N2O2
TRIHEXYLTETRADECYLPHOSPHONIUM BROMIDE TRIHEXYLTETRADECYLPHOSPHONIUM BROMIDE 654057-97-3 C32H68BrP
Tetrabutylammoniummethansulfonat Tetrabutylammoniummethansulfonat 65411-49-6 C17H39NO3S
1-DECYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 1-DECYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE 362043-46-7 C14H27N2.PF6
1-Ethyl-3-methylimidazolium Diethyl Phosphate 1-Ethyl-3-methylimidazolium Diethyl Phosphate 848641-69-0 C10H21N2O4P
1,3-Bis(2,6-diisopropylphenyl)-2,2-difluoro-2,3-dihydro-1H-imidazole 1,3-Bis(2,6-diisopropylphenyl)-2,2-difluoro-2,3-dihydro-1H-imidazole 1314657-40-3 C27H36F2N2
(2 3-DIFLUOROPHENYL)THIOUREA  97 (2 3-DIFLUOROPHENYL)THIOUREA 97 572889-25-9 C7H6F2N2S
TETRAHEXYLAMMONIUM TETRAFLUOROBORATE TETRAHEXYLAMMONIUM TETRAFLUOROBORATE 15553-50-1 C24H52BF4N
4-BROMO-2-FLUOROPHENYLISOTHIOCYANATE 96 4-BROMO-2-FLUOROPHENYLISOTHIOCYANATE 96 81171-71-3 C7H3BrFNS
1-BUTYL-1-METHYLPYRROLIDINIUM HEXAFLUOROPHOSPHATE 1-BUTYL-1-METHYLPYRROLIDINIUM HEXAFLUOROPHOSPHATE 330671-29-9 C9H20F6NP
1-PYRENESULFONIC ACID HYDRATE 1-PYRENESULFONIC ACID HYDRATE 654055-00-2 C16H10O3S
4-Ethyl-3-thiosemicarbazid 4-Ethyl-3-thiosemicarbazid 13431-34-0 C3H9N3S
2-ISOTHIOCYANATO-BICYCLO[2.2.1]HEPTANE 2-ISOTHIOCYANATO-BICYCLO[2.2.1]HEPTANE 14370-23-1 C8H11NS
N-BOC THIOUREA  97 N-BOC THIOUREA 97 268551-65-1 C6H12N2O2S
4-TRIFLUOROMETHYLTHIOPHENYL ISOTHIOCYAN& 4-TRIFLUOROMETHYLTHIOPHENYL ISOTHIOCYAN& 189281-95-6 C8H4F3NS2
S-THIOURONIUM CHLORIDE, POLYMER-SUPPORTED, 0.8-1.0 MMOL/G ON MERRIFIELD RESIN S-THIOURONIUM CHLORIDE, POLYMER-SUPPORTED, 0.8-1.0 MMOL/G ON MERRIFIELD RESIN CH5ClN2S
1-Cyan-3-methylthioharnstoff, Mononatriumsalz 1-Cyan-3-methylthioharnstoff, Mononatriumsalz 67944-71-2 C3H4N3NaS
(2 6-DIFLUOROPHENYL)THIOUREA  97 (2 6-DIFLUOROPHENYL)THIOUREA 97 59772-31-5 C7H6F2N2S
SALICYLALDEHYDE THIOSEMICARBAZONE  95 SALICYLALDEHYDE THIOSEMICARBAZONE 95 5351-90-6 C8H9N3OS
1-(5-Bromo-2-pyridyl)-2-thiourea 1-(5-Bromo-2-pyridyl)-2-thiourea 31430-38-3 C6H6BrN3S
4-(TERT-BUTOXYCARBONYL)PHENYL ISOTHIOCYANATE 4-(TERT-BUTOXYCARBONYL)PHENYL ISOTHIOCYANATE 486415-37-6 C12H13NO2S
3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOT& 3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOT& 351003-67-3 C9H6F3NS
ACETOPHENONESEMICARBAZONE ACETOPHENONESEMICARBAZONE 2492-30-0 C9H11N3O
3-UREIDOPROPYLTRIETHOXYSILANE 3-UREIDOPROPYLTRIETHOXYSILANE 116912-64-2 C10H24N2O4Si
1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM BROMIDE 1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM BROMIDE 411222-01-0 C11H21BrN2
4-DIFLUOROMETHOXYPHENYL ISOTHIOCYANATE 4-DIFLUOROMETHOXYPHENYL ISOTHIOCYANATE 189281-92-3 C8H5F2NOS
2,6-Dichlorbenzylthiocyanat 2,6-Dichlorbenzylthiocyanat 7534-64-7 C8H5Cl2NS
R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN R-(+)-6,6'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-5,5'-BI-1,4-BENZODIOXIN 503538-68-9 C40H32O4P2
1-Methyl-3-(4-trifluoromethyl-phenyl)-thiourea 1-Methyl-3-(4-trifluoromethyl-phenyl)-thiourea C9H9F3N2S
2-FLUORO-5-TRIFLUOROMETHYLPHENYL ISOTHI& 2-FLUORO-5-TRIFLUOROMETHYLPHENYL ISOTHI& 302912-40-9 C8H3F4NS
METHALLYL ISOTHIOCYANATE  TECH METHALLYL ISOTHIOCYANATE TECH 41834-90-6 C5H7NS
N,N-DIETHYLTHIOUREA N,N-DIETHYLTHIOUREA C5H12N2S
4-FLUORO-3-TRIFLUOROMETHYLPHENYL ISOTHI& 4-FLUORO-3-TRIFLUOROMETHYLPHENYL ISOTHI& 302912-43-2 C8H3F4NS
1,3-[Bis(3-pyridylmethyl)]thioharnstoff 1,3-[Bis(3-pyridylmethyl)]thioharnstoff 6965-01-1 C13H14N4S
Diaminodiphenylthiourea Diaminodiphenylthiourea C13H14N4S
N-METHOXY-N,O-BIS(TRIMETHYLSILYL)CARBAMATE N-METHOXY-N,O-BIS(TRIMETHYLSILYL)CARBAMATE 105532-86-3 C8H21NO3Si2
TERT-BUTYL N-(4-ISOTHIOCYANATOPHENYL)CARBAMATE TERT-BUTYL N-(4-ISOTHIOCYANATOPHENYL)CARBAMATE 89631-75-4 C12H14N2O2S
3-TRIFLUOROMETHYLTHIOPHENYL ISOTHIOCYAN& 3-TRIFLUOROMETHYLTHIOPHENYL ISOTHIOCYAN& 42729-26-0 C8H4F3NS2
cataCXium(R)  FSulf cataCXium(R) FSulf 1039775-34-2 C34H43O10PS3
N-(5-Chloro-2,1,3-benzothiadiazol-4-yl)thiourea N-(5-Chloro-2,1,3-benzothiadiazol-4-yl)thiourea 51323-05-8 C7H5ClN4S2
ZONIPORIDE ZONIPORIDE 241800-98-6 C17H16N6O
Guanidiniumacetat Guanidiniumacetat 593-87-3 C3H9N3O2
1-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]BIGUANIDE HYDROCHLORIDE 1-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]BIGUANIDE HYDROCHLORIDE 36068-40-3 C10H9F6N5
HEXAMETHYLGUANIDINIUM CHLORIDE HEXAMETHYLGUANIDINIUM CHLORIDE 30388-20-6 C7H18ClN3
Natrium-4-chlor-3-nitrobenzolsulfonat Natrium-4-chlor-3-nitrobenzolsulfonat 17691-19-9 C6H3ClNNaO5S
N-(4-TRIFLUOROMETHYL-PHENYL)-GUANIDINE N-(4-TRIFLUOROMETHYL-PHENYL)-GUANIDINE 130066-24-9 C8H8F3N3
CIMETIDINE TYPE AB CIMETIDINE TYPE AB
BENZOPHENONE PHENYLHYDRAZONE BENZOPHENONE PHENYLHYDRAZONE 574-61-8 C19H16N2
Trisguanidinium phosphate Trisguanidinium phosphate 38848-02-1 C3H18N9O4P
Benzy (methyl) guanidine hemisulfate salt Benzy (methyl) guanidine hemisulfate salt 7586-43-8 C9H13N3
N-(5-CHLORO-1H-BENZIMIDAZOL-2-YL)GUANIDINE N-(5-CHLORO-1H-BENZIMIDAZOL-2-YL)GUANIDINE 70590-32-8 C8H8ClN5
Trimethylsilyl trifluoromethanesulfonate Trimethylsilyl trifluoromethanesulfonate 88248-68-4 C9H21N3
1,1,2,3,3-PentaMethyl Guanidine 1,1,2,3,3-PentaMethyl Guanidine 13439-84-4 C6H15N3
1-OCTYLGUANIDINE HEMISULFATE  97 1-OCTYLGUANIDINE HEMISULFATE 97 21409-35-8 C9H23N3O4S
5-SULFOSALICYLIC ACID HYDRATE  95 5-SULFOSALICYLIC ACID HYDRATE 95 304851-84-1 C7H8O7S
N-Methylguanidin N-Methylguanidin 471-29-4 C2H7N3
GUANIDINE CARBONATE GUANIDINE CARBONATE 100224-74-6 CH5N3.x(CH2O3)
N-(3,4-Dichlorophenyl)guanidine N-(3,4-Dichlorophenyl)guanidine 65783-10-0 C7H7Cl2N3
AMINOGUANIDINE AMINOGUANIDINE CH6N4
1-(3-FLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(3-FLUOROPHENYL)BIGUANIDE HYDROCHLORIDE 2267-49-4 C8H11ClFN5
2-MESITYLENESULFONIC ACID DIHYDRATE, 97 2-MESITYLENESULFONIC ACID DIHYDRATE, 97 835617-36-2 C9H12O3S.2H2O
Nidroxyzon Nidroxyzon 405-22-1 C8H10N4O5
N,Nμ,Nμμ-Tri-Boc-guanidine N,Nμ,Nμμ-Tri-Boc-guanidine 216584-22-4 C16H29N3O6
(9-Butyl-9-fluorenyl)dicyclohexylphosphine  tetrafluoroborate,  cataCXium(R)  FBu (9-Butyl-9-fluorenyl)dicyclohexylphosphine tetrafluoroborate, cataCXium(R) FBu 1007311-98-9 C29H40BF4P
2,4-Dinitrobenzenesulfonic acid hydrate 2,4-Dinitrobenzenesulfonic acid hydrate 698999-22-3 C6H6N2O8S
9 10-DIMETHOXY-2-ANTHRACENESULFONIC ACI& 9 10-DIMETHOXY-2-ANTHRACENESULFONIC ACI& 207233-92-9 C16H17NaO6S
1-(2 3-DICHLOROPHENYL)BIGUANIDE HYDROC& 1-(2 3-DICHLOROPHENYL)BIGUANIDE HYDROC& 175205-08-0 C8H10Cl3N5
POLYAMINOPROPYL BIGUANIDE POLYAMINOPROPYL BIGUANIDE 133029-32-0 C5H14N6
N-CBZ-GUANIDINE N-CBZ-GUANIDINE C9H11N3O2
N-[4-(Dimethylamino)phenyl]guanidine N-[4-(Dimethylamino)phenyl]guanidine 67453-82-1 C9H14N4
2-TERT-BUTYL-1,1,3,3-TETRAMETHYLGUANIDINE 2-TERT-BUTYL-1,1,3,3-TETRAMETHYLGUANIDINE 29166-72-1 C9H21N3
METFORMIN RELATED COMPOUND B (25 MG) (1-METHYLBIGUANIDE HYDROCHLORIDE) METFORMIN RELATED COMPOUND B (25 MG) (1-METHYLBIGUANIDE HYDROCHLORIDE) 1674-62-0 C3H10ClN5
N-(2-methoxyethyl)guanidine(SALTDATA: AcOH) N-(2-methoxyethyl)guanidine(SALTDATA: AcOH) 108712-07-8 C4H11N3O
N,N'-Dimethylguanidin N,N'-Dimethylguanidin 3324-71-8 C3H9N3
N-(4-BROMO-PHENYL)-GUANIDINE N-(4-BROMO-PHENYL)-GUANIDINE 67453-81-0 C7H8BrN3
N-Cyano-N'-5-quinolinylguanidine N-Cyano-N'-5-quinolinylguanidine 861393-75-1 C11H9N5
1-(3 4-DICHLOROPHENYL)BIGUANIDE  HYDROC& 1-(3 4-DICHLOROPHENYL)BIGUANIDE HYDROC& 21703-08-2 C8H10Cl3N5
1-o-Tolybiguanide 1-o-Tolybiguanide C9H13N5
Cyclopentanone, semicarbazone Cyclopentanone, semicarbazone 5459-00-7 C6H11N3O
CycloguanilEmbonate CycloguanilEmbonate
1-(3-Methoxypropyl)guanidine 1-(3-Methoxypropyl)guanidine 100056-66-4 C5H13N3O
ANTHRAQUINONE-1 5-DISULFONIC ACID ANTHRAQUINONE-1 5-DISULFONIC ACID 206659-04-3 C14H6Na2O8S2
GUANIDINE GUANIDINE 90332-86-8 CH3N3O
1-Phenylbiguanidmonohydrochlorid 1-Phenylbiguanidmonohydrochlorid 55-57-2 C8H12ClN5
1-(3,5-DICHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(3,5-DICHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 175205-04-6 C8H10Cl3N5
1-(2,6-DICHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 1-(2,6-DICHLOROPHENYL)BIGUANIDE HYDROCHLORIDE 42823-15-4 C8H9Cl2N5
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