1622401-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622401-49-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,4,0 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1622401-49:
(9*1)+(8*6)+(7*2)+(6*2)+(5*4)+(4*0)+(3*1)+(2*4)+(1*9)=123
123 % 10 = 3
So 1622401-49-3 is a valid CAS Registry Number.