782-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 782-56-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 782-56:
(5*7)+(4*8)+(3*2)+(2*5)+(1*6)=89
89 % 10 = 9
So 782-56-9 is a valid CAS Registry Number.