681850-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681850-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,8,5 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 681850-63:
(8*6)+(7*8)+(6*1)+(5*8)+(4*5)+(3*0)+(2*6)+(1*3)=185
185 % 10 = 5
So 681850-63-5 is a valid CAS Registry Number.