681236-46-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681236-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,2,3 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 681236-46:
(8*6)+(7*8)+(6*1)+(5*2)+(4*3)+(3*6)+(2*4)+(1*6)=164
164 % 10 = 4
So 681236-46-4 is a valid CAS Registry Number.