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4-methyl-1-picryl-pyridinium chloride, also known as 4-Methyl-1-(2,4,6-trinitrophenyl)pyridinium chloride, is a chemical compound with the molecular formula C12H9ClN4O6. It is a yellow crystalline solid that is soluble in water and organic solvents. 4-methyl-1-picryl-pyridinium; chloride is primarily used as a cationic dye and a fluorescent probe in various applications, including the detection of anions and the study of ion transport across membranes. It is also employed in the synthesis of other picryl derivatives and as a reagent in organic chemistry. Due to its sensitivity to light and heat, it should be stored in a cool, dark place to maintain its stability.

7000-43-3

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7000-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7000-43-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,0 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7000-43:
(6*7)+(5*0)+(4*0)+(3*0)+(2*4)+(1*3)=53
53 % 10 = 3
So 7000-43-3 is a valid CAS Registry Number.
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