1199799-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1199799-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,9,7,9 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1199799-28:
(9*1)+(8*1)+(7*9)+(6*9)+(5*7)+(4*9)+(3*9)+(2*2)+(1*8)=244
244 % 10 = 4
So 1199799-28-4 is a valid CAS Registry Number.