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M2128

Thiazolyl Blue Tetrazolium Bromide

98%, powder

Synonym(s):

3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide, MTT, Methylthiazolyldiphenyl-tetrazolium bromide

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About This Item

Empirical Formula (Hill Notation):
C18H16BrN5S
CAS Number:
298-93-1
Molecular Weight:
414.32
NACRES:
NA.47
PubChem Substance ID:
24896603
UNSPSC Code:
12352111
EC Number:
206-069-5
MDL number:
MFCD00011964
Beilstein/REAXYS Number:
4081397
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Product Name

Thiazolyl Blue Tetrazolium Bromide, 98%

Quality Segment

assay

98%

form

powder

technique(s)

titration: suitable

color

dark yellow

mp

195 °C (dec.) (lit.)

solubility

2-methoxyethanol: soluble 20 mg/mL, ethanol: soluble 20 mg/mL, H2O: 5 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

[Br-].Cc1nc(sc1C)-[n+]2nc(nn2-c3ccccc3)-c4ccccc4

InChI

1S/C18H16N5S.BrH/c1-13-14(2)24-18(19-13)23-21-17(15-9-5-3-6-10-15)20-22(23)16-11-7-4-8-12-16;/h3-12H,1-2H3;1H/q+1;/p-1

InChI key

AZKSAVLVSZKNRD-UHFFFAOYSA-M

Application

Thiazolyl Blue Tetrazolium Blue (MTT) may be used in measurement of cell proliferation. MTT produces a yellowish solution that is converted to dark blue, water-insoluble MTT formazan by mitochondrial dehydrogenases of living cells. The blue crystals are solubilized with acidified isopropanol and the intensity is measured colorimetrically at 570 nm.
Thiazolyl Blue Tetrazolium Blue (MTT) may be used in measurement of cell proliferation. MTT produces a yellowish solution that is converted to dark blue, water-insoluble MTT formazan by mitochondrial dehydrogenases of living cells. The blue crystals are solubilized with acidified isopropanol and the intensity is measured colorimetrically at 570 nm. MTT has been used as a histochemical/cytochemical reagent and for the detection of NAD. ADP-linked enzyme systems in tissue cannot be detected with MTT, due to binding of the cation by the cyanide trap used. MTT is rapidly reduced to the formazan, which chelates with nickel, copper, and cobalt; the cobalt chelate has been used in oxidative systems.
Thiazolyl Blue Tetrazolium Bromide has been used for the following assays:
  • Proliferation assay.
  • TNF (tumor necrosis factor) bioassay.

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Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Classifications

Eye Irrit. 2 - Muta. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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