76398-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76398-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,9 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76398-87:
(7*7)+(6*6)+(5*3)+(4*9)+(3*8)+(2*8)+(1*7)=183
183 % 10 = 3
So 76398-87-3 is a valid CAS Registry Number.