390805-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 390805-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,0,8,0 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 390805-93:
(8*3)+(7*9)+(6*0)+(5*8)+(4*0)+(3*5)+(2*9)+(1*3)=163
163 % 10 = 3
So 390805-93-3 is a valid CAS Registry Number.