1399290-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1399290-53-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,9,2,9 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1399290-53:
(9*1)+(8*3)+(7*9)+(6*9)+(5*2)+(4*9)+(3*0)+(2*5)+(1*3)=209
209 % 10 = 9
So 1399290-53-9 is a valid CAS Registry Number.