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N-Butyl-N'--benzamidin, also known as N-Butyl-N'-(4-methylphenylsulfonyl)benzamidine, is an organic compound with the chemical formula C16H20N2O2S. It is a derivative of benzamidine, featuring a butyl group attached to the nitrogen atom and a p-toluolsulfonyl group (4-methylphenylsulfonyl) attached to the other nitrogen atom. N-Butyl-N'--benzamidin is often used as a reagent in organic synthesis, particularly in the formation of amidines and other nitrogen-containing compounds. It is known for its stability and reactivity, making it a valuable tool in the synthesis of various pharmaceuticals and agrochemicals.

4157-65-7

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4157-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4157-65-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,5 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4157-65:
(6*4)+(5*1)+(4*5)+(3*7)+(2*6)+(1*5)=87
87 % 10 = 7
So 4157-65-7 is a valid CAS Registry Number.

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