2053424-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2053424-82-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 2,0,5,3,4,2 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2053424-82:
(9*2)+(8*0)+(7*5)+(6*3)+(5*4)+(4*2)+(3*4)+(2*8)+(1*2)=129
129 % 10 = 9
So 2053424-82-9 is a valid CAS Registry Number.