1204234-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1204234-81-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,4,2,3 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1204234-81:
(9*1)+(8*2)+(7*0)+(6*4)+(5*2)+(4*3)+(3*4)+(2*8)+(1*1)=100
100 % 10 = 0
So 1204234-81-0 is a valid CAS Registry Number.