3713-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3713-19-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,1 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3713-19:
(6*3)+(5*7)+(4*1)+(3*3)+(2*1)+(1*9)=77
77 % 10 = 7
So 3713-19-7 is a valid CAS Registry Number.