12238-39-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12238-39-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12238-39:
(7*1)+(6*2)+(5*2)+(4*3)+(3*8)+(2*3)+(1*9)=80
80 % 10 = 0
So 12238-39-0 is a valid CAS Registry Number.