930803-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930803-86-4 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 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 930803-86:
(8*9)+(7*3)+(6*0)+(5*8)+(4*0)+(3*3)+(2*8)+(1*6)=164
164 % 10 = 4
So 930803-86-4 is a valid CAS Registry Number.