309285-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309285-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,2,8 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 309285-76:
(8*3)+(7*0)+(6*9)+(5*2)+(4*8)+(3*5)+(2*7)+(1*6)=155
155 % 10 = 5
So 309285-76-5 is a valid CAS Registry Number.