717863-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717863-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,7,8,6 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 717863-40:
(8*7)+(7*1)+(6*7)+(5*8)+(4*6)+(3*3)+(2*4)+(1*0)=186
186 % 10 = 6
So 717863-40-6 is a valid CAS Registry Number.