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Formazan is a chemical compound that is typically formed as a result of certain biological assays, particularly those involving the reduction of a dye, such as tetrazolium salts, by enzymes or other reducing agents. It is often used in colorimetric assays to measure the activity of dehydrogenases, which are enzymes that play a crucial role in various metabolic pathways. The formation of formazan, which can range in color from yellow to red, provides a visual or spectrophotometric indication of enzyme activity, allowing researchers to quantify biological processes in vitro. Formazan is an important tool in fields such as biochemistry, pharmacology, and toxicology, where understanding enzyme function is critical for assessing the effects of drugs, toxins, and other substances on cellular metabolism.

504-65-4

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504-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 504-65-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 504-65:
(5*5)+(4*0)+(3*4)+(2*6)+(1*5)=54
54 % 10 = 4
So 504-65-4 is a valid CAS Registry Number.
InChI:InChI=1/CH4N4/c2-4-1-5-3/h1-2H,3H2/b4-2+,5-1+

504-65-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(4-Nitrophenyl)-5-(2-sulfophenyl)-3-[4-(4-sulfophenylazo)-2-sulfophenyl]-2H-tetrazolium,disodium salt,Formazan

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
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More Details:504-65-4 SDS

504-65-4Upstream product

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