306287-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306287-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,2,8 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 306287-16:
(8*3)+(7*0)+(6*6)+(5*2)+(4*8)+(3*7)+(2*1)+(1*6)=131
131 % 10 = 1
So 306287-16-1 is a valid CAS Registry Number.