309254-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309254-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,2,5 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 309254-68:
(8*3)+(7*0)+(6*9)+(5*2)+(4*5)+(3*4)+(2*6)+(1*8)=140
140 % 10 = 0
So 309254-68-0 is a valid CAS Registry Number.