162271-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162271-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,2,7 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 162271-30:
(8*1)+(7*6)+(6*2)+(5*2)+(4*7)+(3*1)+(2*3)+(1*0)=109
109 % 10 = 9
So 162271-30-9 is a valid CAS Registry Number.