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803640-24-6

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803640-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 803640-24-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,3,6,4 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 803640-24:
(8*8)+(7*0)+(6*3)+(5*6)+(4*4)+(3*0)+(2*2)+(1*4)=136
136 % 10 = 6
So 803640-24-6 is a valid CAS Registry Number.

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