61493-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61493-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,4,9 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61493-90:
(7*6)+(6*1)+(5*4)+(4*9)+(3*3)+(2*9)+(1*0)=131
131 % 10 = 1
So 61493-90-1 is a valid CAS Registry Number.