77896-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77896-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,9 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77896-83:
(7*7)+(6*7)+(5*8)+(4*9)+(3*6)+(2*8)+(1*3)=204
204 % 10 = 4
So 77896-83-4 is a valid CAS Registry Number.