939822-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939822-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,8,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 939822-84:
(8*9)+(7*3)+(6*9)+(5*8)+(4*2)+(3*2)+(2*8)+(1*4)=221
221 % 10 = 1
So 939822-84-1 is a valid CAS Registry Number.