397244-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397244-47-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,2,4 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 397244-47:
(8*3)+(7*9)+(6*7)+(5*2)+(4*4)+(3*4)+(2*4)+(1*7)=182
182 % 10 = 2
So 397244-47-2 is a valid CAS Registry Number.