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N-(1-phenyl-4,5,6,7-tetrahydro-1H-benzo[c]isothiazol-3-ylidene)-toluene-4-sulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23920-86-7

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23920-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23920-86-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,2 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23920-86:
(7*2)+(6*3)+(5*9)+(4*2)+(3*0)+(2*8)+(1*6)=107
107 % 10 = 7
So 23920-86-7 is a valid CAS Registry Number.

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