215513-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215513-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,5,1 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 215513-78:
(8*2)+(7*1)+(6*5)+(5*5)+(4*1)+(3*3)+(2*7)+(1*8)=113
113 % 10 = 3
So 215513-78-3 is a valid CAS Registry Number.