780782-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 780782-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,0,7,8 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 780782-28:
(8*7)+(7*8)+(6*0)+(5*7)+(4*8)+(3*2)+(2*2)+(1*8)=197
197 % 10 = 7
So 780782-28-7 is a valid CAS Registry Number.