199280-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199280-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,2,8 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199280-10:
(8*1)+(7*9)+(6*9)+(5*2)+(4*8)+(3*0)+(2*1)+(1*0)=169
169 % 10 = 9
So 199280-10-9 is a valid CAS Registry Number.