244761-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 244761-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,7,6 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 244761-17:
(8*2)+(7*4)+(6*4)+(5*7)+(4*6)+(3*1)+(2*1)+(1*7)=139
139 % 10 = 9
So 244761-17-9 is a valid CAS Registry Number.