871893-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871893-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,8,9 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 871893-56:
(8*8)+(7*7)+(6*1)+(5*8)+(4*9)+(3*3)+(2*5)+(1*6)=220
220 % 10 = 0
So 871893-56-0 is a valid CAS Registry Number.