939-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939-41-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 939-41:
(5*9)+(4*3)+(3*9)+(2*4)+(1*1)=93
93 % 10 = 3
So 939-41-3 is a valid CAS Registry Number.