1199-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1199-19-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1199-19:
(6*1)+(5*1)+(4*9)+(3*9)+(2*1)+(1*9)=85
85 % 10 = 5
So 1199-19-5 is a valid CAS Registry Number.