3793-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3793-81-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3793-81:
(6*3)+(5*7)+(4*9)+(3*3)+(2*8)+(1*1)=115
115 % 10 = 5
So 3793-81-5 is a valid CAS Registry Number.