T4444
3, 3′,5 ,5′-Tetramethylbenzidine
peroxidase substrate, chromogenic, aqueous solution
Synonym(s):
TMB
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About This Item
CAS Number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.83
MDL number:
Product Name
3, 3′,5 ,5′-Tetramethylbenzidine Liquid Substrate, Supersensitive, for ELISA, ready to use solution
Quality Level
form
aqueous solution
shipped in
wet ice
storage temp.
2-8°C
SMILES string
Cc1cc(cc(C)c1N)-c2cc(C)c(N)c(C)c2
InChI
1S/C16H20N2/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14/h5-8H,17-18H2,1-4H3
InChI key
UAIUNKRWKOVEES-UHFFFAOYSA-N
General description
This product contains 3, 3′,5 ,5′-Tetramethylbenzidine (TMB) in a mildly acidic buffer. The substrate is supplied as a one component ready to use solution. Rate kinetics are approx. 40% faster than traditional TMB formulations. Not recommended for membrane or immunohistochemical applications that require a precipitating reaction product.
Application
3,3′,5,5′-Tetramethylbenzidine (TMB) is a peroxidase substrate suitable for use in ELISA procedures. The substrate produces a soluble end product that is pale blue in color and can be read spectrophotometrically at 370 or 655 nm. The TMB reaction may be stopped with 2 M H2SO4 (resulting in a yellow color), and read at 450 nm.
3, 3′,5 ,5′-Tetramethylbenzidine Liquid Substrate, Supersensitive, for ELISA has been used as a substrate for peroxidase:
- to determine synthesized hyaluronan and HAS2 (hyaluronan-synthesizing enzyme) expression by the transfectant
- to measure the levels of α-hemolysin toxin
- in imaging bound IgGs
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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