185899-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185899-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,8,9 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 185899-28:
(8*1)+(7*8)+(6*5)+(5*8)+(4*9)+(3*9)+(2*2)+(1*8)=209
209 % 10 = 9
So 185899-28-9 is a valid CAS Registry Number.