1234424-82-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1234424-82-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,4,2 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1234424-82:
(9*1)+(8*2)+(7*3)+(6*4)+(5*4)+(4*2)+(3*4)+(2*8)+(1*2)=128
128 % 10 = 8
So 1234424-82-8 is a valid CAS Registry Number.