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1-methyl-4'-(toluene-4-sulfonylamino)-2-(toluene-4-sulfonylimino)-1,2,4',5'-tetrahydro-spiro[indole-3,3'-thiophene] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

53709-61-8

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53709-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53709-61-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,0 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53709-61:
(7*5)+(6*3)+(5*7)+(4*0)+(3*9)+(2*6)+(1*1)=128
128 % 10 = 8
So 53709-61-8 is a valid CAS Registry Number.

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