1219-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219-39-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,1 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219-39:
(6*1)+(5*2)+(4*1)+(3*9)+(2*3)+(1*9)=62
62 % 10 = 2
So 1219-39-2 is a valid CAS Registry Number.