1003439-70-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1003439-70-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,3,4,3 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1003439-70:
(9*1)+(8*0)+(7*0)+(6*3)+(5*4)+(4*3)+(3*9)+(2*7)+(1*0)=100
100 % 10 = 0
So 1003439-70-0 is a valid CAS Registry Number.