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20784-69-4

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20784-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20784-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,8 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20784-69:
(7*2)+(6*0)+(5*7)+(4*8)+(3*4)+(2*6)+(1*9)=114
114 % 10 = 4
So 20784-69-4 is a valid CAS Registry Number.

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