497867-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497867-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,8,6 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 497867-17:
(8*4)+(7*9)+(6*7)+(5*8)+(4*6)+(3*7)+(2*1)+(1*7)=231
231 % 10 = 1
So 497867-17-1 is a valid CAS Registry Number.