899807-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 899807-80-8 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 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 899807-80:
(8*8)+(7*9)+(6*9)+(5*8)+(4*0)+(3*7)+(2*8)+(1*0)=258
258 % 10 = 8
So 899807-80-8 is a valid CAS Registry Number.