1212392-50-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212392-50-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,3,9 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1212392-50:
(9*1)+(8*2)+(7*1)+(6*2)+(5*3)+(4*9)+(3*2)+(2*5)+(1*0)=111
111 % 10 = 1
So 1212392-50-1 is a valid CAS Registry Number.