1692-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1692-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1692-03:
(6*1)+(5*6)+(4*9)+(3*2)+(2*0)+(1*3)=81
81 % 10 = 1
So 1692-03-1 is a valid CAS Registry Number.