218949-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 218949-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,4 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 218949-48:
(8*2)+(7*1)+(6*8)+(5*9)+(4*4)+(3*9)+(2*4)+(1*8)=175
175 % 10 = 5
So 218949-48-5 is a valid CAS Registry Number.