2313-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2313-19-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,1 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2313-19:
(6*2)+(5*3)+(4*1)+(3*3)+(2*1)+(1*9)=51
51 % 10 = 1
So 2313-19-1 is a valid CAS Registry Number.