1239511-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239511-53-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,5,1 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1239511-53:
(9*1)+(8*2)+(7*3)+(6*9)+(5*5)+(4*1)+(3*1)+(2*5)+(1*3)=145
145 % 10 = 5
So 1239511-53-5 is a valid CAS Registry Number.