1422422-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422422-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,4,2 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1422422-16:
(9*1)+(8*4)+(7*2)+(6*2)+(5*4)+(4*2)+(3*2)+(2*1)+(1*6)=109
109 % 10 = 9
So 1422422-16-9 is a valid CAS Registry Number.