1622162-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622162-05-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,1,6 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1622162-05:
(9*1)+(8*6)+(7*2)+(6*2)+(5*1)+(4*6)+(3*2)+(2*0)+(1*5)=123
123 % 10 = 3
So 1622162-05-3 is a valid CAS Registry Number.