201853-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201853-55-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,5 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201853-55:
(8*2)+(7*0)+(6*1)+(5*8)+(4*5)+(3*3)+(2*5)+(1*5)=106
106 % 10 = 6
So 201853-55-6 is a valid CAS Registry Number.