754-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 754-78-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 754-78:
(5*7)+(4*5)+(3*4)+(2*7)+(1*8)=89
89 % 10 = 9
So 754-78-9 is a valid CAS Registry Number.