1422954-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422954-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,5 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1422954-71:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*5)+(3*4)+(2*7)+(1*1)=159
159 % 10 = 9
So 1422954-71-9 is a valid CAS Registry Number.