1622880-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622880-49-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,8,8 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1622880-49:
(9*1)+(8*6)+(7*2)+(6*2)+(5*8)+(4*8)+(3*0)+(2*4)+(1*9)=172
172 % 10 = 2
So 1622880-49-2 is a valid CAS Registry Number.