72497-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72497-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,9 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72497-27:
(7*7)+(6*2)+(5*4)+(4*9)+(3*7)+(2*2)+(1*7)=149
149 % 10 = 9
So 72497-27-9 is a valid CAS Registry Number.