215461-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215461-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,4,6 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 215461-54:
(8*2)+(7*1)+(6*5)+(5*4)+(4*6)+(3*1)+(2*5)+(1*4)=114
114 % 10 = 4
So 215461-54-4 is a valid CAS Registry Number.