67461-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67461-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,4,6 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67461-87:
(7*6)+(6*7)+(5*4)+(4*6)+(3*1)+(2*8)+(1*7)=154
154 % 10 = 4
So 67461-87-4 is a valid CAS Registry Number.