77859-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77859-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,5 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77859-39:
(7*7)+(6*7)+(5*8)+(4*5)+(3*9)+(2*3)+(1*9)=193
193 % 10 = 3
So 77859-39-3 is a valid CAS Registry Number.