938305-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 938305-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,8,3,0 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 938305-99:
(8*9)+(7*3)+(6*8)+(5*3)+(4*0)+(3*5)+(2*9)+(1*9)=198
198 % 10 = 8
So 938305-99-8 is a valid CAS Registry Number.