939411-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939411-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,4,1 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 939411-89:
(8*9)+(7*3)+(6*9)+(5*4)+(4*1)+(3*1)+(2*8)+(1*9)=199
199 % 10 = 9
So 939411-89-9 is a valid CAS Registry Number.