215306-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215306-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,3,0 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 215306-03:
(8*2)+(7*1)+(6*5)+(5*3)+(4*0)+(3*6)+(2*0)+(1*3)=89
89 % 10 = 9
So 215306-03-9 is a valid CAS Registry Number.