72274-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72274-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,7 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72274-40:
(7*7)+(6*2)+(5*2)+(4*7)+(3*4)+(2*4)+(1*0)=119
119 % 10 = 9
So 72274-40-9 is a valid CAS Registry Number.