1622205-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622205-71-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,2,0 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1622205-71:
(9*1)+(8*6)+(7*2)+(6*2)+(5*2)+(4*0)+(3*5)+(2*7)+(1*1)=123
123 % 10 = 3
So 1622205-71-3 is a valid CAS Registry Number.