305819-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305819-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,8,1 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 305819-15:
(8*3)+(7*0)+(6*5)+(5*8)+(4*1)+(3*9)+(2*1)+(1*5)=132
132 % 10 = 2
So 305819-15-2 is a valid CAS Registry Number.