1428521-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428521-70-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,5,2 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1428521-70:
(9*1)+(8*4)+(7*2)+(6*8)+(5*5)+(4*2)+(3*1)+(2*7)+(1*0)=153
153 % 10 = 3
So 1428521-70-3 is a valid CAS Registry Number.