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838609-99-7

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838609-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 838609-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,8,6,0 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 838609-99:
(8*8)+(7*3)+(6*8)+(5*6)+(4*0)+(3*9)+(2*9)+(1*9)=217
217 % 10 = 7
So 838609-99-7 is a valid CAS Registry Number.

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