1199-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1199-72-0 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, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1199-72:
(6*1)+(5*1)+(4*9)+(3*9)+(2*7)+(1*2)=90
90 % 10 = 0
So 1199-72-0 is a valid CAS Registry Number.