739-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 739-11-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,3 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 739-11:
(5*7)+(4*3)+(3*9)+(2*1)+(1*1)=77
77 % 10 = 7
So 739-11-7 is a valid CAS Registry Number.