72422-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72422-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,2 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72422-46:
(7*7)+(6*2)+(5*4)+(4*2)+(3*2)+(2*4)+(1*6)=109
109 % 10 = 9
So 72422-46-9 is a valid CAS Registry Number.