216300-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216300-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,3,0 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 216300-13:
(8*2)+(7*1)+(6*6)+(5*3)+(4*0)+(3*0)+(2*1)+(1*3)=79
79 % 10 = 9
So 216300-13-9 is a valid CAS Registry Number.