161099-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161099-61-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,0,9 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161099-61:
(8*1)+(7*6)+(6*1)+(5*0)+(4*9)+(3*9)+(2*6)+(1*1)=132
132 % 10 = 2
So 161099-61-2 is a valid CAS Registry Number.