491586-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 491586-30-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,1,5,8 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 491586-30:
(8*4)+(7*9)+(6*1)+(5*5)+(4*8)+(3*6)+(2*3)+(1*0)=182
182 % 10 = 2
So 491586-30-2 is a valid CAS Registry Number.