19199-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19199-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,9 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19199-26:
(7*1)+(6*9)+(5*1)+(4*9)+(3*9)+(2*2)+(1*6)=139
139 % 10 = 9
So 19199-26-9 is a valid CAS Registry Number.