12199-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12199-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,9 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12199-39:
(7*1)+(6*2)+(5*1)+(4*9)+(3*9)+(2*3)+(1*9)=102
102 % 10 = 2
So 12199-39-2 is a valid CAS Registry Number.