68521-38-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68521-38-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,2 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68521-38:
(7*6)+(6*8)+(5*5)+(4*2)+(3*1)+(2*3)+(1*8)=140
140 % 10 = 0
So 68521-38-0 is a valid CAS Registry Number.