797756-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 797756-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,7,7,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 797756-89:
(8*7)+(7*9)+(6*7)+(5*7)+(4*5)+(3*6)+(2*8)+(1*9)=259
259 % 10 = 9
So 797756-89-9 is a valid CAS Registry Number.