306280-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306280-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,2,8 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 306280-84:
(8*3)+(7*0)+(6*6)+(5*2)+(4*8)+(3*0)+(2*8)+(1*4)=122
122 % 10 = 2
So 306280-84-2 is a valid CAS Registry Number.