1609175-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609175-37-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,7 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1609175-37:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*7)+(3*5)+(2*3)+(1*7)=172
172 % 10 = 2
So 1609175-37-2 is a valid CAS Registry Number.