89856-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89856-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,5 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89856-51:
(7*8)+(6*9)+(5*8)+(4*5)+(3*6)+(2*5)+(1*1)=199
199 % 10 = 9
So 89856-51-9 is a valid CAS Registry Number.