82472-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82472-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,7 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82472-57:
(7*8)+(6*2)+(5*4)+(4*7)+(3*2)+(2*5)+(1*7)=139
139 % 10 = 9
So 82472-57-9 is a valid CAS Registry Number.