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2-Nitro-3-(4-toluolsulfonylamino)-anthrachinon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109934-87-4

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109934-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109934-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,3 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109934-87:
(8*1)+(7*0)+(6*9)+(5*9)+(4*3)+(3*4)+(2*8)+(1*7)=154
154 % 10 = 4
So 109934-87-4 is a valid CAS Registry Number.

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