170622-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170622-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,6,2 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 170622-26:
(8*1)+(7*7)+(6*0)+(5*6)+(4*2)+(3*2)+(2*2)+(1*6)=111
111 % 10 = 1
So 170622-26-1 is a valid CAS Registry Number.