231609-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 231609-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,6,0 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 231609-68:
(8*2)+(7*3)+(6*1)+(5*6)+(4*0)+(3*9)+(2*6)+(1*8)=120
120 % 10 = 0
So 231609-68-0 is a valid CAS Registry Number.