497237-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497237-72-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,2,3 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 497237-72:
(8*4)+(7*9)+(6*7)+(5*2)+(4*3)+(3*7)+(2*7)+(1*2)=196
196 % 10 = 6
So 497237-72-6 is a valid CAS Registry Number.