200053-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200053-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,0,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 200053-52:
(8*2)+(7*0)+(6*0)+(5*0)+(4*5)+(3*3)+(2*5)+(1*2)=57
57 % 10 = 7
So 200053-52-7 is a valid CAS Registry Number.