269741-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 269741-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,9,7,4 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 269741-53:
(8*2)+(7*6)+(6*9)+(5*7)+(4*4)+(3*1)+(2*5)+(1*3)=179
179 % 10 = 9
So 269741-53-9 is a valid CAS Registry Number.