213018-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213018-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,0,1 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 213018-22:
(8*2)+(7*1)+(6*3)+(5*0)+(4*1)+(3*8)+(2*2)+(1*2)=75
75 % 10 = 5
So 213018-22-5 is a valid CAS Registry Number.