679804-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679804-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,8,0 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 679804-17:
(8*6)+(7*7)+(6*9)+(5*8)+(4*0)+(3*4)+(2*1)+(1*7)=212
212 % 10 = 2
So 679804-17-2 is a valid CAS Registry Number.