782403-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 782403-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,2,4,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 782403-72:
(8*7)+(7*8)+(6*2)+(5*4)+(4*0)+(3*3)+(2*7)+(1*2)=169
169 % 10 = 9
So 782403-72-9 is a valid CAS Registry Number.