1227409-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227409-70-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,4,0 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1227409-70:
(9*1)+(8*2)+(7*2)+(6*7)+(5*4)+(4*0)+(3*9)+(2*7)+(1*0)=142
142 % 10 = 2
So 1227409-70-2 is a valid CAS Registry Number.