3992-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3992-30-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,9 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3992-30:
(6*3)+(5*9)+(4*9)+(3*2)+(2*3)+(1*0)=111
111 % 10 = 1
So 3992-30-1 is a valid CAS Registry Number.