19269-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19269-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,6 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19269-65:
(7*1)+(6*9)+(5*2)+(4*6)+(3*9)+(2*6)+(1*5)=139
139 % 10 = 9
So 19269-65-9 is a valid CAS Registry Number.