79631-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79631-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,3 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 79631-89:
(7*7)+(6*9)+(5*6)+(4*3)+(3*1)+(2*8)+(1*9)=173
173 % 10 = 3
So 79631-89-3 is a valid CAS Registry Number.