77192-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77192-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,9 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77192-31:
(7*7)+(6*7)+(5*1)+(4*9)+(3*2)+(2*3)+(1*1)=145
145 % 10 = 5
So 77192-31-5 is a valid CAS Registry Number.