934809-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 934809-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,8,0 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 934809-93:
(8*9)+(7*3)+(6*4)+(5*8)+(4*0)+(3*9)+(2*9)+(1*3)=205
205 % 10 = 5
So 934809-93-5 is a valid CAS Registry Number.