170941-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170941-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,4 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 170941-66:
(8*1)+(7*7)+(6*0)+(5*9)+(4*4)+(3*1)+(2*6)+(1*6)=139
139 % 10 = 9
So 170941-66-9 is a valid CAS Registry Number.