906803-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 906803-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,8,0 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 906803-65:
(8*9)+(7*0)+(6*6)+(5*8)+(4*0)+(3*3)+(2*6)+(1*5)=174
174 % 10 = 4
So 906803-65-4 is a valid CAS Registry Number.