906508-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 906508-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,5,0 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 906508-80:
(8*9)+(7*0)+(6*6)+(5*5)+(4*0)+(3*8)+(2*8)+(1*0)=173
173 % 10 = 3
So 906508-80-3 is a valid CAS Registry Number.