461681-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 461681-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,1,6,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 461681-41:
(8*4)+(7*6)+(6*1)+(5*6)+(4*8)+(3*1)+(2*4)+(1*1)=154
154 % 10 = 4
So 461681-41-4 is a valid CAS Registry Number.