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194430 ABTS™ Chromophore, Diammonium Salt 30931-67-0  
194437 ABTS™ Chromophore, Diammonium Salt 30931-67-0  
2006-OP   OmniPur® ABTS Liquid Substrate - Calbiochem    
A1227   ABTS Enhancer for peroxidase detection    
AB0300   Alkaline Phosphatase Blue Membrane Substrate Solution sufficient for 400 mL working substrate    
AB0100 Alkaline Phosphatase Blue Microwell Substrate sufficient for 400 mL working substrate    
A5852   Alkaline Phosphatase Stop Solution for ELISA    
P7998 Alkaline Phosphatase Yellow (pNPP) Liquid Substrate System for ELISA ready to use solution    
A6926 3-Amino-9-ethylcarbazole tablet 132-32-1 210.3
A5754 3-Amino-9-ethylcarbazole ≥95%, powder 132-32-1 210.3
A3537 5-Aminosalicylic acid ≥99% 89-57-6 153.1
A3219 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) Liquid Substrate System    
A9941 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt tablet, 10 mg substrate per tablet 30931-67-0 548.7
A1888 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt ≥98% (HPLC) 30931-67-0 548.7
B3804 BCIP®/NBT-Blue Liquid Substrate System for Membranes alkaline phosphatase substrate    
B1911 BCIP®/NBT Liquid Substrate System ready to use solution    
B3679 BCIP®/NBT-Purple Liquid Substrate System for Membranes ready to use alkaline phosphatase substrate    
B6404 BCIP®/NBT solution, premixed    
B6274 5-Bromo-4-chloro-3-indolyl phosphate dipotassium salt phosphatase substrate 102185-49-9 402.7
B6149 5-Bromo-4-chloro-3-indolyl phosphate disodium salt ≥98% (HPLC) 102185-33-1 370.4
B8503 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt ≥99% (HPLC) 6578-06-9 433.6
B0274 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt tablet 6578-06-9 433.6
B5667 5-Bromo-6-chloro-3-indolyl phosphate p-toluidine salt ~97% (HPLC) 6769-80-8 433.6
C6788 4-Chloro-1-naphthol tablet 604-44-4 178.6
C8890 4-Chloro-1-naphthol crystalline 604-44-4 178.6
C8302 4-Chloro-1-naphthol solution For HRP detection on Western Blots    
10884308001 CPRG Chlorophenol red-β-D-galactopyranoside 99792-79-7 585.4
D8001 3,3′-Diaminobenzidine ≥99% (HPLC) 91-95-2 214.3
D5905 3,3′-Diaminobenzidine tetrahydrochloride tablet, 10 mg substrate per tablet   360.1
D5637 3,3′-Diaminobenzidine tetrahydrochloride hydrate ≥96% 868272-85-9 360.1
D9015 3,3′-Diaminobenzidine tetrahydrochloride hydrate ISOPAC® 868272-85-9 360.1
D3939 3,3′-Diaminobenzidine (DAB) Enhanced Liquid Substrate System tetrahydrochloride for Immunohistology    
D6815 3,3′-Diaminobenzidine (DAB) Enhanced Liquid Substrate System tetrahydrochloride for Membrane Applications    
D7304   3,3′-Diaminobenzidine (DAB) Liquid Substrate System tetrahydrochloride    
D9143 o-Dianisidine peroxidase substrate 119-90-4 244.3
D3252 o-Dianisidine dihydrochloride ≥95% 20325-40-0 317.2
D9154 o-Dianisidine dihydrochloride tablet, 10 mg substrate per tablet 20325-40-0 317.2
N6125 Naphthol AS-TR phosphate disodium salt ≥99% (HPLC), Bulk package 4264-93-1 435.7
N8518 Naphthol AS-TR phosphate disodium salt tablet, 4 mg substrate per tablet 4264-93-1 435.7
N5514 Nitro Blue Tetrazolium tablet 298-83-9  
N3129 4-Nitrophenyl phosphate bis(cyclohexylammonium) salt phosphatase substrate 52483-84-8 417.4
73737 4-Nitrophenyl phosphate bis(tris) salt for the determination of phosphatase, ≥97.0% (enzymatic) 68189-42-4 461.4
N3254 4-Nitrophenyl phosphate di(tris) salt phosphatase substrate 68189-42-4 461.4
N9389 4-Nitrophenyl phosphate disodium salt hexahydrate tablet 333338-18-4 371.1
N2765 4-Nitrophenyl phosphate disodium salt hexahydrate tablet 333338-18-4 371.1
N2640 4-Nitrophenyl phosphate disodium salt hexahydrate tablet 333338-18-4 371.1
N2507 4-Nitrophenyl phosphate magnesium salt 32348-90-6 241.4
N7653 p-Nitrophenyl Phosphate Liquid Substrate System liquid 4264-83-9 263.1
N6876 Nitrotetrazolium Blue chloride ~98% (TLC) 298-83-9 817.6
P5758 Phenolphthalein monophosphate bis(cyclohexylammonium) salt powder, ≥85% (TLC) 14815-59-9 596.7
P5412 o-Phenylenediamine tablet, 20 mg substrate per tablet 95-54-5 108.1
P9029 o-Phenylenediamine Peroxidase substrate, ≥98.0%, powder 95-54-5 108.1
P6662 o-Phenylenediamine dihydrochloride tablet, 1 mg substrate per tablet 615-28-1 181.1
P6787 o-Phenylenediamine dihydrochloride tablet, 2 mg substrate per tablet 615-28-1 181.1
P8806 o-Phenylenediamine dihydrochloride tablet, 3 mg substrate per tablet 615-28-1 181.1
P8787 o-Phenylenediamine dihydrochloride tablet, 4 mg substrate per tablet 615-28-1 181.1
P3804 o-Phenylenediamine dihydrochloride tablet, 5 mg substrate per tablet 615-28-1 181.1
P6912 o-Phenylenediamine dihydrochloride tablet, 5 mg substrate per tablet 615-28-1 181.1
P8287 o-Phenylenediamine dihydrochloride tablet, 10 mg substrate per tablet 615-28-1 181.1
P4664 o-Phenylenediamine dihydrochloride tablet, 15 mg substrate per tablet 615-28-1 181.1
P7288 o-Phenylenediamine dihydrochloride tablet, 20 mg substrate per tablet 615-28-1 181.1
P8412 o-Phenylenediamine dihydrochloride tablet, 30 mg substrate per tablet 615-28-1 181.1
P1063 o-Phenylenediamine dihydrochloride tablet, 60 mg substrate per tablet 615-28-1 181.1
P1526 o-Phenylenediamine dihydrochloride peroxidase substrate 615-28-1 181.1
P4744 Phosphatase substrate powder 333338-18-4 371.1
S0942 Phosphatase substrate 5 mg tablets 333338-18-4 371.1
P5994 Phosphatase substrate 40 mg tablets 333338-18-4 371.1
P5744 Phosphatase substrate 40 mg capsules 333338-18-4 371.1
P5869 Phosphatase substrate 100 mg capsules 333338-18-4 371.1
B5655   SIGMAFAST BCIP®/NBT tablet    
D0426   SIGMAFAST DAB with Metal Enhancer tablet    
D4168 SIGMAFAST 3,3′-Diaminobenzidine tablets tablet, To prepare 1 mL    
D4293 SIGMAFAST 3,3′-Diaminobenzidine tablets tablet, To prepare 5 mL    
D4418 SIGMAFAST 3,3′-Diaminobenzidine tablets tablet, To prepare 15 mL    
F4648   SIGMAFAST Fast Red TR/Naphthol AS-MX Tablets tablet, To prepare 1 mL    
F4523   SIGMAFAST Fast Red TR/Naphthol AS-MX Tablets tablet, To prepare 10 mL    
N1891 SIGMAFAST p-Nitrophenyl phosphate Tablets tablet, To prepare 5 mL    
N2770 SIGMAFAST p-Nitrophenyl phosphate Tablets tablet, To prepare 20 mL    
P9187   SIGMAFAST OPD tablet    
T2885 3,3′,5,5′-Tetramethylbenzidine ≥98% (TLC) 54827-17-7 240.3
T5525 3,3′,5,5′-Tetramethylbenzidine tablet, 1 mg substrate per tablet 54827-17-7 240.3
T3405 3,3′,5,5′-Tetramethylbenzidine dihydrochloride tablet, 1 mg substrate per tablet 64285-73-0 313.3
T8768 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate powder, ≥98% 207738-08-7 313.3
T4319 3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Slow Kinetic Form, for ELISA peroxidase substrate    
T4444 3, 3′,5 ,5′-Tetramethylbenzidine Liquid Substrate, Supersensitive, for ELISA ready to use solution    
T5569   3,3′,5,5′-Tetramethylbenzidine Liquid Substrate, Super Slow, for ELISA peroxidase substrate    
T8665 3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System peroxidase substrate    
T0565 3,3′,5,5′-Tetramethylbenzidine (TMB) Liquid Substrate System for Membranes ready to use solution