612494-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 612494-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,4,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 612494-91:
(8*6)+(7*1)+(6*2)+(5*4)+(4*9)+(3*4)+(2*9)+(1*1)=154
154 % 10 = 4
So 612494-91-4 is a valid CAS Registry Number.