3938-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3938-04-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,3 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3938-04:
(6*3)+(5*9)+(4*3)+(3*8)+(2*0)+(1*4)=103
103 % 10 = 3
So 3938-04-3 is a valid CAS Registry Number.