213315-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213315-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,3,1 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213315-04:
(8*2)+(7*1)+(6*3)+(5*3)+(4*1)+(3*5)+(2*0)+(1*4)=79
79 % 10 = 9
So 213315-04-9 is a valid CAS Registry Number.