856889-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856889-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,8,8 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 856889-63:
(8*8)+(7*5)+(6*6)+(5*8)+(4*8)+(3*9)+(2*6)+(1*3)=249
249 % 10 = 9
So 856889-63-9 is a valid CAS Registry Number.