179685-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179685-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,8 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 179685-20:
(8*1)+(7*7)+(6*9)+(5*6)+(4*8)+(3*5)+(2*2)+(1*0)=192
192 % 10 = 2
So 179685-20-2 is a valid CAS Registry Number.