200947-68-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200947-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,4 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 200947-68:
(8*2)+(7*0)+(6*0)+(5*9)+(4*4)+(3*7)+(2*6)+(1*8)=118
118 % 10 = 8
So 200947-68-8 is a valid CAS Registry Number.