930806-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930806-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,8,0 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 930806-90:
(8*9)+(7*3)+(6*0)+(5*8)+(4*0)+(3*6)+(2*9)+(1*0)=169
169 % 10 = 9
So 930806-90-9 is a valid CAS Registry Number.