77619-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77619-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,1 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77619-93:
(7*7)+(6*7)+(5*6)+(4*1)+(3*9)+(2*9)+(1*3)=173
173 % 10 = 3
So 77619-93-3 is a valid CAS Registry Number.