123199-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123199-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,9 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123199-28:
(8*1)+(7*2)+(6*3)+(5*1)+(4*9)+(3*9)+(2*2)+(1*8)=120
120 % 10 = 0
So 123199-28-0 is a valid CAS Registry Number.