73682-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73682-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,8 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73682-75:
(7*7)+(6*3)+(5*6)+(4*8)+(3*2)+(2*7)+(1*5)=154
154 % 10 = 4
So 73682-75-4 is a valid CAS Registry Number.