899809-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 899809-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,9,8,0 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 899809-65:
(8*8)+(7*9)+(6*9)+(5*8)+(4*0)+(3*9)+(2*6)+(1*5)=265
265 % 10 = 5
So 899809-65-5 is a valid CAS Registry Number.