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V900337

Sigma-Aldrich

Iodonitrotetrazolium chloride

Vetec™, reagent grade, 95%

Synonym(s):

2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyl-2H-tetrazolium chloride, p-Iodonitrotetrazolium Violet, INT

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About This Item

Empirical Formula (Hill Notation):
C19H13ClIN5O2
CAS Number:
146-68-9
Molecular Weight:
505.70
Beilstein:
4093224
MDL number:
MFCD00011961
UNSPSC Code:
12352100
PubChem Substance ID:
329829755

grade

reagent grade

product line

Vetec™

Assay

95%

mp

240 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

[Cl-].[O-][N+](=O)c1ccc(cc1)-[n+]2nc(nn2-c3ccc(I)cc3)-c4ccccc4

InChI

1S/C19H13IN5O2.ClH/c20-15-6-8-16(9-7-15)23-21-19(14-4-2-1-3-5-14)22-24(23)17-10-12-18(13-11-17)25(26)27;/h1-13H;1H/q+1;/p-1

InChI key

JORABGDXCIBAFL-UHFFFAOYSA-M

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Application

Electron acceptor for the colorimetric assay of various dehydrogenases

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

H228,H335,H371

Hazard Classifications

Flam. Sol. 1 - STOT SE 2 - STOT SE 3

Target Organs

Eyes,Central nervous system, Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Journal of biochemical and biophysical methods, 68(2), 101-111 (2006-06-03)
A sensitive spectrophotometric assay for determining mitochondrial malate dehydrogenase activity is described. The assay measures NADH production by coupling it to the reduction of 2-(p-iodophenyl)-3(p-nitrophenyl)-5-phenyl tetrazolium chloride (INT). Via an intermediate electron carrier, either phenazine methosulfate or lipoamide dehydrogenase, INT
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