68670-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68670-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,6,7 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68670-23:
(7*6)+(6*8)+(5*6)+(4*7)+(3*0)+(2*2)+(1*3)=155
155 % 10 = 5
So 68670-23-5 is a valid CAS Registry Number.