1610966-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1610966-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,9,6 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1610966-66:
(9*1)+(8*6)+(7*1)+(6*0)+(5*9)+(4*6)+(3*6)+(2*6)+(1*6)=169
169 % 10 = 9
So 1610966-66-9 is a valid CAS Registry Number.