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MTT 目录号 GC14731

reagent used in the measurement of in vitro cell proliferation

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Sample solution is provided at 25 µL, 10mM.



Quality Control & SDS

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Chemical Properties

Cas No. 298-93-1 SDF
别名 N/A
化学名 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide
Canonical SMILES CC1=C(C)N=C([N+]2=NC(C3=CC=CC=C3)=NN2C4=CC=CC=C4)S1.[Br-]
分子式 C18H16N5SBr 分子量 414.32
溶解度 ≥ 41.4mg/mL in DMSO 储存条件 Store at 2-8°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
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IC50: N/A

MTT (3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide) is a reagent used in the measurement of in vitro cell proliferation.

Tetrazolium salts have been the most widely used tools in cell biology for deternining the metabolic activity of cells ranging from microbial origin to mammalian. Fractionation studies in mammalian cells indicate that NADH, the reduced pyridine nucleotide cofactor, is responsible for most MTT reduction, which is further supported by studies with whole cells.

In vitro: It has been found that MTT reduction was associated not only with mitochondria, but also with the cytoplasm and nonmitochondrial membranes including endosome/lysosome compartment and plasma membrane. The net positive charge on MTT appears to be the predominant factor involved in their cellular uptake through the potential of plasma membrane. However, the second generation tetrazolium dyes (XTT, WST-1 and to some extent, MTS) that form water-soluble formazans and require an intermediate electron acceptor for reduction, are characterised by a net negative charge and therefore are largely cell-impermeable [1].

In vivo: MTT currently is only used for in vitro cell proliferation determination and there is no in vivo study reported.

Clinical trial: N/A

[1] Berridge MV,Herst PM,Tan AS.  Tetrazolium dyes as tools in cell biology: new insights into their cellular reduction. Biotechnol Annu Rev.2005;11:127-52.