497156-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497156-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,1,5 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 497156-25:
(8*4)+(7*9)+(6*7)+(5*1)+(4*5)+(3*6)+(2*2)+(1*5)=189
189 % 10 = 9
So 497156-25-9 is a valid CAS Registry Number.