3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) ≥98%, Ultrapure

Supplier: VWR Chemicals
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Synonyms: Thiazolyl blue tetrazolium bromide2-(4,5-Dimethylthiazol-2-yl)-3,5-diphenyl-2H-tetrazol-3-ium bromideMTT

0793-1GEA 4985 INR
0793-1G 0793-5G
3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) ≥98%, Ultrapure
3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT)

MTT, a yellow tetrazole dye, can be reduced to a water-insoluble purple formazan compound by mitochondrial reductase enzymes. Since reduction only occurs in living cells, the quantitation of formazan can be equated to the number of viable cells in the population.


  • Sensitive colorimetric substitute for radioisotopes in cell proliferation and cytotoxicity studies
  • Applications include cell viability assays, dose response curves and cytotoxicity assays

Formula: C₁₈H₁₆N₅BrS
MW: 414,33 g/mol
Storage Temperature: Refrigerator
MDL Number: MFCD00011964
CAS Number: 298-93-1
EINECS: 206-069-5

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Specification Test Results

Melting Range w/ Decomposition ≥187 °C
Purity ≥98%

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