179806-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179806-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,8,0 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 179806-23:
(8*1)+(7*7)+(6*9)+(5*8)+(4*0)+(3*6)+(2*2)+(1*3)=176
176 % 10 = 6
So 179806-23-6 is a valid CAS Registry Number.