1609271-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609271-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,2,7 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1609271-44:
(9*1)+(8*6)+(7*0)+(6*9)+(5*2)+(4*7)+(3*1)+(2*4)+(1*4)=164
164 % 10 = 4
So 1609271-44-4 is a valid CAS Registry Number.