 | 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) Liquid Substrate System | | A3219 | pricing |
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 | 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt ≥98% (TLC) | 30931-67-0 | A1888 | pricing |
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| 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt BioChemika, 10 mg/tablet ABTS | 30931-67-0 | 11565 | pricing |
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| 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt tablet, 10 mg substrate per tablet | 30931-67-0 | A9941 | pricing |
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 | 2,3,5-Triphenyltetrazolium chloride BioChemika, ≥99.0% (AT) | 298-96-4 | 93140 | pricing |
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 | 2-Chloro-5,5-dimethyl-1,3-cyclohexanedione BioChemika, suitable as substrate for chloroperoxidase, ≥98.0% (AT) | 7298-89-7 | 24368 | pricing |
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 | 3, 3′,5 ,5′-Tetramethylbenzidine Liquid Substrate, Supersensitive, for ELISA | | T4444 | pricing |
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| 3,3′,5,5′-Tetramethylbenzidine ≥98% (TLC) | 54827-17-7 | T2885 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System | | T8665 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for ELISA | | T0440 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for Membranes | | T0565 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Slow Kinetic Form, for ELISA | | T4319 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Super Slow, for ELISA | | T5569 | pricing |
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 | 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate Bulk package, ≥98% | 207738-08-7 | T8768 | pricing |
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 | 3,3′,5,5′-Tetramethylbenzidine dihydrochloride tablet, 1 mg substrate per tablet | 64285-73-0 | T3405 | pricing |
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| | 3,3′,5,5′-Tetramethylbenzidine red liquid substrate system liquid | | T1693 | pricing |
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| 3,3′,5,5′-Tetramethylbenzidine tablet, 1 mg substrate per tablet | 54827-17-7 | T5525 | pricing |
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 | 3,3′-Diaminobenzidine (DAB) Enhanced Liquid Substrate System tetrahydrochloride for Immunohistology | | D3939 | pricing |
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| 3,3′-Diaminobenzidine (DAB) Enhanced Liquid Substrate System tetrahydrochloride for Membrane Applications | | D6815 | pricing |
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| 3,3′-Diaminobenzidine tetrahydrochloride tablet, 10 mg substrate per tablet | 7411-49-6 | D5905 | pricing |
|
 | 3-Amino-9-ethylcarbazole BioChemika, 20 mg/tablet | 132-32-1 | 03005 | pricing |
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| 3-Amino-9-ethylcarbazole tablet | 132-32-1 | A6926 | pricing |
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| 3-Amino-9-ethylcarbazole ~90%, powder | 132-32-1 | A5754 | pricing |
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 | 3-Nitrotetrazolium blue chloride BioChemika, ≥75% (AT) | 127615-60-5 | 09972 | pricing |
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 | 4-Aminophthalhydrazide | 3682-14-2 | A8264 | pricing |
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 | 4-Chloro-1-naphthol BioChemika, ≥95.0% (HPLC), tablets (~32 mg each), purum | 604-44-4 | 25329 | pricing |
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| 4-Chloro-1-naphthol BioChemika, for analytical purposes, ≥99.0% (HPLC) | 604-44-4 | 25328 | pricing |
|
 | 4-Chloro-7-nitrobenzofurazan BioChemika, for fluorescence, ≥99.0% (HPLC), puriss. | 10199-89-0 | 25455 | pricing |
|
 | 5-Aminosalicylic acid BioChemika, ~100 mg/tablet (enzym.), tablets | 89-57-6 | 09407 | pricing |
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| 5-Aminosalicylic acid tablet | 89-57-6 | A6178 | pricing |
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| 5-Aminosalicylic acid ~99% | 89-57-6 | A3537 | pricing |
|
 | Chemiluminescent Peroxidase Substrate-1 liquid | | CPS1 | pricing |
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 | Dicarboxidine dihydrochloride | 56455-90-4 | D5907 | pricing |
|
 | Dihydrorhodamine 123 BioChemika, for fluorescence, ≥95% (HPLC) | 109244-58-8 | 37370 | pricing |
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 | Guaiacol | 90-05-1 | G5502 | pricing |
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 | Hydrogen peroxide–Urea adduct ≥97% | 124-43-6 | U1753 | pricing |
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| Hydrogen peroxide–Urea adduct tablet | 124-43-6 | U8879 | pricing |
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 | Iodonitrotetrazolium chloride BioChemika, for histol. analysis (of oxidases), ≥97.0% (AT) | 146-68-9 | 58030 | pricing |
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 | Luminol ≥97% (HPLC) | 521-31-3 | A8511 | pricing |
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 | Luminol sodium salt | 20666-12-0 | A4685 | pricing |
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 | MTT Formazan BioChemika | 57360-69-7 | 88417 | pricing |
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 | N-(4-Aminobutyl)-N-ethylisoluminol ≥90% | 66612-29-1 | A0156 | pricing |
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 | N-(6-Aminohexyl)-N-ethylisoluminol | 66612-32-6 | A1661 | pricing |
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 | Nitrotetrazolium Blue chloride BioChemika, ≥88% (AT) | 298-83-9 | 74030 | pricing |
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| Nitrotetrazolium Blue chloride BioChemika, ≥98.0% (calc. based on dry substance, AT) | 298-83-9 | 74032 | pricing |
|
 | Pyrogallol ≥98% (GC) | 87-66-1 | P0381 | pricing |
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 | SIGMAFAST™ 3,3′-Diaminobenzidine tablets tablet, To prepare 1 mL | | D4168 | pricing |
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| SIGMAFAST™ 3,3′-Diaminobenzidine tablets tablet, To prepare 15 mL | | D4418 | pricing |
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| SIGMAFAST™ 3,3′-Diaminobenzidine tablets tablet, To prepare 5 mL | | D4293 | pricing |
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| | SIGMAFAST™ DAB with Metal Enhancer tablet | | D0426 | pricing |
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| | SIGMAFAST™ OPD tablet | | P9187 | pricing |
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 | Sodium 3,5-dichloro-2-hydroxybenzenesulfonate BioChemika, ≥98.0% (TLC) | 54970-72-8 | 35867 | pricing |
|
 | Tetranitroblue tetrazolium chloride BioChemika, ≥85% (AT) | 1184-43-6 | 87961 | pricing |
|
 | Tetrazolium Blue Chloride BioChemika, indicator for germination, for microbiology, ≥90% (AT) | 1871-22-3 | 88190 | pricing |
|
 | Tetrazolium Violet BioChemika, ≥94% (AT) | 1719-71-7 | 88193 | pricing |
|
 | Thiazolyl Blue Tetrazolium Bromide BioChemika, ≥97.0% (enzymatic) | 298-93-1 | 88415 | pricing |
|
 | o-Dianisidine | 119-90-4 | D9143 | pricing |
|
 | o-Dianisidine dihydrochloride BioChemika, ~10 mg/tablet | 20325-40-0 | 33435 | pricing |
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| o-Dianisidine dihydrochloride tablet, 10 mg substrate per tablet | 20325-40-0 | D9154 | pricing |
|
 | o-Phenylenediamine BioChemika, for fluorescence, free base | 95-54-5 | 78411 | pricing |
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 | o-Phenylenediamine dihydrochloride BioChemika, for fluorescence, tablet, ~2 mg substrate per tablet | 615-28-1 | 78441 | pricing |
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| o-Phenylenediamine dihydrochloride BioChemika, tablet, ~30 mg substrate per tablet | 615-28-1 | 78449 | pricing |
|
| o-Phenylenediamine dihydrochloride crystalline | 615-28-1 | P1526 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 1 mg substrate per tablet | 615-28-1 | P6662 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 10 mg substrate per tablet | 615-28-1 | P8287 | pricing |
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| o-Phenylenediamine dihydrochloride tablet, 15 mg substrate per tablet | 615-28-1 | P4664 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 2 mg substrate per tablet | 615-28-1 | P6787 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 20 mg substrate per tablet | 615-28-1 | P7288 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 3 mg substrate per tablet | 615-28-1 | P8806 | pricing |
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| o-Phenylenediamine dihydrochloride tablet, 30 mg substrate per tablet | 615-28-1 | P8412 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 4 mg substrate per tablet | 615-28-1 | P8787 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 5 mg substrate per tablet | 615-28-1 | P3804 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 5 mg substrate per tablet | 615-28-1 | P6912 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, 60 mg substrate per tablet | 615-28-1 | P1063 | pricing |
|
| o-Phenylenediamine dihydrochloride tablet, ~10 mg substrate per tablet | 615-28-1 | 78446 | pricing |
|
| o-Phenylenediamine solid | 95-54-5 | P9029 | pricing |
|
| o-Phenylenediamine tablet, 20 mg substrate per tablet | 95-54-5 | P5412 | pricing |
|
 | trans-5-Phenyl-4-pentenyl hydroperoxide ≥90%, Solution in ethanol | 87864-20-8 | P6238 | pricing |
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