207913-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207913-52-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,9,1 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207913-52:
(8*2)+(7*0)+(6*7)+(5*9)+(4*1)+(3*3)+(2*5)+(1*2)=128
128 % 10 = 8
So 207913-52-8 is a valid CAS Registry Number.