170366-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170366-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,3,6 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 170366-89:
(8*1)+(7*7)+(6*0)+(5*3)+(4*6)+(3*6)+(2*8)+(1*9)=139
139 % 10 = 9
So 170366-89-9 is a valid CAS Registry Number.