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T3405

Sigma-Aldrich

3,3′,5,5′-Tetramethylbenzidine dihydrochloride

chromogenic, tablet

Synonyme(s) :

4,4′-Diamino-3,3′,5,5′-tetramethylbiphenyl dihydrochloride

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About This Item

Formule empirique (notation de Hill):
C16H20N2 · 2HCl
Numéro CAS:
64285-73-0
Poids moléculaire :
313.27
Numéro CE :
264-769-6
Numéro MDL:
MFCD00012961
Code UNSPSC :
12352204
ID de substance PubChem :
24900140
Nomenclature NACRES :
NA.83

product name

3,3′,5,5′-Tetramethylbenzidine dihydrochloride, tablet, 1 mg substrate per tablet

Forme

tablet

Pf

≥300 °C

Température de stockage

2-8°C

Chaîne SMILES 

Cl[H].Cl[H].Cc1cc(cc(C)c1N)-c2cc(C)c(N)c(C)c2

InChI

1S/C16H20N2.2ClH/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;2*1H

Clé InChI

NYNRGZULARUZCC-UHFFFAOYSA-N

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Application

3,3′,5,5′-Tetramethylbenzidine dihydrochloride has been used as a substrate for the
  • anti-mouse IgG (? specific) horseradish peroxidase-conjugated antibody in the ELISA of mice sera
  • anti-mouse peroxidase antibody in the protein tyrosine phosphatase assay of naive and effector T cell lysate
  • in enzymatic hydroperoxide (EH) assay and in prooxidants–antioxidants balance (PAB) assay of serum samples from diabetic patients

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 620-650 nm. The TMB reaction may be stopped with 2 M H2SO4 (resulting in a yellow color), and read at 450 nm.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Yan-Qin Huang et al.
Analytical and bioanalytical chemistry, 410(28), 7385-7394 (2018-09-15)
We certify that protamine-gold nanoclusters (PRT-AuNCs) synthesized by one-pot method exhibit peroxidase-like activity. The catalytic activity of PRT-AuNCs followed typical Michaelis-Menten kinetics and exhibited higher affinity to 3,3',5,5'-tetramethylbenzidine (TMB) as the substrate compared to that of natural horseradish peroxidase. Meanwhile
Beth C Holbrook et al.
Virology, 476, 124-133 (2014-12-30)
Respiratory infection of young infants results in increased morbidity and mortality compared to infection of adults. In spite of the significance of this health issue, our understanding of the immune response elicited in infants especially in the respiratory tract is
Targeting phospho-Ser422 by active Tau Immunotherapy in the THYTau22 mouse model: a suitable therapeutic approach
Troquier L, et al.
Current Alzheimer Research, 9(4), 397-405 (2012)
Darcy S O Mora et al.
Fish & shellfish immunology, 71, 255-263 (2017-09-04)
An experimental contraceptive vaccine was evaluated in Atlantic salmon (Salmo salar). A peptide derived from the beta subunit of luteinizing hormone (LH) was conjugated to two different carrier proteins, bovine serum albumin (BSA) and keyhole limpet hemocyanin (KLH), and formulated
Thiru Vanniasinkam et al.
Methods in molecular biology (Clifton, N.J.), 1785, 121-128 (2018-05-02)
This chapter describes a strategy for mapping linear B-cell epitopes of proteins using synthetic biotinylated peptides in an ELISA.A set of overlapping peptides were designed based upon a known amino acid sequence of the target protein, VapA (Virulence-associated Protein A)
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Articles

Colorimetric Alkaline Phosphatase and Peroxidase Substrate Detection Systems

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

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