855589-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855589-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,5,8 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 855589-98:
(8*8)+(7*5)+(6*5)+(5*5)+(4*8)+(3*9)+(2*9)+(1*8)=239
239 % 10 = 9
So 855589-98-9 is a valid CAS Registry Number.